Published in Biol Bull, in 1957, in volume 112, pages 92-96
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/53210662,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210663,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210674,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1886, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210665,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210667,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210669,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210671,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210673,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210630,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210632,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210645,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1897, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210641,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1890, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210642,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210639,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1889, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210640,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1889, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210634,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1888, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210643,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1891, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210636,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1888, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53210635,60,60)
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1888, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/32225718,60,60)
Published in American Fern Journal, in 1985, in volume 75, pages 133
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/26900833,60,60)
Published in Proceedings of The American Philosophical Society, in 1878, in volume 17, issue 101, pages 473-475
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/13762170,60,60)
Published in Psyche: A Journal of Entomology, in 1889, in volume 5, issue 154-155, pages 166-167
Created: 2016-06-19, modified: 2016-06-19![](https://www.biodiversitylibrary.org/pagethumb/52979507,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53047039,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1846, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53047042,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1847, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53047044,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1848, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53047047,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1848, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53047120,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979467,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1843, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979470,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1843, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979475,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979478,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979479,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979481,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979487,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1859, pages 1-8
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979495,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1859, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979497,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979503,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979505,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979483,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979485,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979499,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979501,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979473,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1856, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979474,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1856, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/7109624,60,60)
Published in Proceedings of The American Philosophical Society, in 1897, in volume 36, issue 154, pages 93-102
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/53047050,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53047118,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1884, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107568,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1846, pages 1
Created: 2017-06-24, modified: 2017-06-24