Vol. 40, pp. 119-122 September 26, 1927 PROCEEDINGS OF THE BIOLOGICAL SOCIETY OF WASH NEW NAMES FOR SOME WESTERN MONTAr PLANTS. BY WILLIAM A. DAYTON. In the course of study of the range flora of the western Na-tional Forests the following new binomials have been found necessary. Mr. Tidestrom has given me permission to include here certain new combinations which should be attributed to him. Hookera lemmonae (S. Wats.) Tidestrom, comb. nov. Brodiaea lemmonae S. Wats., Proc. Amer. Acad. 20: 376. 1885. Triteleia lemmonae (S. Wats.) Greene, Proc. Calif. Acad. 2: 141. 1886. Sedum watsoni (Britton) Tidestrom, comb. nov. Gormania watsoni Britton, ex Britt. & Rose, Bull. N. Y. Bot. Gard. 3: 29. 1903. Cotyledon oregonensis S. Wats., Proc. Amer. Acad. Sci. 14-' 292. 1879. Not Sedum oreganum Nutt., ex Torr. & Gray, Fl. N. Amer. 1: 559. 1840. Prunus crenulata (Greene) Tidestrom, comb. nov. Cerasus crenulata Greene, Proc. Biol. Soc. Wash. 18: 56. 1905. (Not to be confused with the Japanese P. crenata Koehne.) This New Mexico-Arizonan ally of Prunus emarginata (Dougl.) Walp. and P. prunifolia (Greene) Shafer seems to be a sufficiently well-marked species, with glabrous (or nearly so) herbage; narrow leaves evenly crenu-late, never emarginate but acute or obtuse, and of a lance — or elliptic — oblong type (never obovate or oblanceolate) ; and small bright red drupes 8 mm. thick or less. Lotus nummulus, nom. nov. Hosackia rigida nummularia M. E. Jones, Proc. Calif. Acad. Sci., 2d ser., 5: 633. 1895. Anisolotus nummularius (M. E. Jones) Woot. & Standi., Contr. U. S. Nat. Herb. 16: 135. 1913. 27— Pboc. Biol. Soc. Wash., Vol. 40, 1927. (119)
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