44 INDEX ‘ro AMERICAN BOTANICAL LITERATURE 
Bergen, J. Y. Concavity of leaves and illumination. Bot. Gaz. 48: 
459-461. f. r. 18 D 1909. 
Bergen, J. Y. The light requirement of plants. Plant World 12: 
201-205. S 1909. 
Berry, E. W. A Miocene flora from the Virginia coastal plain. 
Jour. Geol. 17: 19-30. f. r-rz. F 1909. 
Includes 6 new species of spermatophytes. 
Bessey, C. E. Some beginnings in nature-study. Nature-Study Rev. 
. 5: 165-167. [N] 1909. 
Bicknell, E. P. The ferns and flowering plants of Nantucket — V. 
Bull. Torrey Club 36: 441-456. 35S 1909. 
Blumer, J.C. On the plant geography of the Chiricahua Mountains. 
Science II. 30: 720-724. 19 N 1909. 
Boldingh, I. A contribution to the knowledge of the flora of Anguilla 
(B. W. I.). Rec. Trav. Bot. Néerland. 6: 1-36. 1go09. 
Britten, J. Safzwm in the collections of Ruiz and Pavon. Jour. Bot. 
47: 422-424. N 1rgo9. 
Britton, E.G. Arctic mosses. Bryologist 12: 106. 6N 1gog. 
Brown, N. E. L£ynealophus, N. E. Brown, gen. nov. [In Decades 
Kewenses, Decas LIV. no. 539.] Kew Bull. Misc. Inf. 1909: 361, 
362. N 1909. 
Brown, N. E. Opuntia imbricata. Curt. Bot. Mag. 1V. 5: p/. 8290. 
D 1909. 
Campbell, D. H. The prothallium and embryo of Danaea. Prelim- 
inary notes. Ann. Bot. 23: 691. O 1909. 
y Cannon, W. A. The parasitism of Orthocarpus purpurascens Benth. 
Plant World 12: 259-261. f. 2. N 1909. 
Chamberlain, C. J. Déoon spinulosum. Bot. Gaz. 48: 401-413. 
f. 1-7. 18D 1Igo9. 
Clements, F.E. The genera of fungi. 1-227. Minneapolis, 1909. 
Includes 115 new genera in 29 families. 
(Clute, W. N.] Rare forms of ferns. XII. Polystichum acrostichoides 
multifida. Fern Bull. 17: 99, 100. [N] 1909. [Illust.] 
Cockerell, T. D. A. Eocene fossils from the Green River, Wyoming. 
Am. Jour. Sci. 28: 447, 448. N 1909. 
Includes a new genus and species of Buettneriaceae, Firmianites aterrimus. 
Coker, W.C. Additions to the flora of the Carolinas. Bull. Torrey 
Club 36: 635-638. 16 .N 1909. 
