Published in Madroño, in 1976, in volume 23, issue 5, pages 237-256
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/9259741,60,60)
Published in Journal of the Arnold Arboretum, in 1980, in volume 61, pages 701-722
Created: 2011-01-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/47828252,60,60)
Published in Madroño, in 1975, in volume 23, issue 2, pages 103-104
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/10897858,60,60)
Published in Journal of the Arnold Arboretum, in 1977, in volume 58, pages 193-208
Created: 2011-01-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/47865994,60,60)
Published in Madroño, in 1974, in volume 22, issue 6, pages 315-316
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/47945606,60,60)
Published in Madroño, in 1983, in volume 30, issue 2, pages 131
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/53112912,60,60)
in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53112914,60,60)
in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/15936515,60,60)
Published in The Auk, in 1905, in volume 22, pages 172-175
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/52991698,60,60)
Published in Asa Gray correspondence. Senders B-Ba, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991699,60,60)
Published in Asa Gray correspondence. Senders B-Ba, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/15936513,60,60)
Published in The Auk, in 1905, in volume 22, pages 170-171
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/47828362,60,60)
Published in Madroño, in 1975, in volume 23, issue 4, pages 205-209
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/52991692,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1883, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991694,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991696,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991674,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991676,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991678,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991679,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1875, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991666,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991668,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-4
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991684,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1881, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991686,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1881, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991688,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1882, pages 1-4
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991645,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991647,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991649,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991651,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991653,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991655,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991681,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1875, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991683,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1881, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991657,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991659,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991661,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991663,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991672,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/47926042,60,60)
Published in Asa Gray correspondence. Senders Be-Bo, in 1886, pages 1-2
Created: 2017-03-12, modified: 2017-06-09![](https://www.biodiversitylibrary.org/pagethumb/52991610,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1871, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991612,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1871, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991614,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-4
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991618,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991620,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991624,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991626,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991604,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1870, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991606,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1870, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991630,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52991633,60,60)
Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2
Created: 2017-06-24, modified: 2017-06-24