INDEX TO AMERICAN BOTANICAL LITERATURE 
(1904) 
The aim of this Index is to include all current botanical ae written by 
Americans, published in America, or based upon American materia e word Amer- 
ica being used in its broadest sense. 
Reviews, and papers which relate exclusively to forestry, agriculture, horticulture, 
manufactured products of vegetable origin, or laboratory methods are not included, and 
no attempt is made to index the literature of bacteriology. An occasional exception is 
made in favor of some paper appearing in an American periodical which is devoted 
wholly to botany. Reprints are not mentioned unless they differ from the original in 
some important particular. If users of the Index will call the attention of the editor 
to errors or omission their kindness will be appreciated. 
This Index is reprinted monthly on cards, and furnished in this form to subscribers, 
at the rate of one cent for each card. Selections of cards are not permitted ; each 
subscriber must take all cards published during the term of his subscription. Corre- 
Ae relating to the card-issue should be addressed to the Treasurer of the Torrey 
Botanical Club. 
Ames, 0, Three new orchid species. Proc. Biol. Soc. Wash. 17: 
119, 120. 9 Je 1904. 
New species in Dendrobium and Epidendrum (2), all described by R. A. Rolfe. 
Arthur, J.C. The aecidium of maize rust. Bot. Gaz. 38 : 64-67. 
16 Jl 1904. 
Ashe, W. W. East American thorns. Jour. Elisha Mitchell Soc. 20: 
47-56. 15 Je 1904. 
Descriptions of 18 new species of Crataegus. 
Atkinson, G. F. Relation of plants to environment (or plant 
ecology) ; outlines of a course of lectures. 1-67. Ithaca, N. Y. 
€ Igo4. 
With a bibliography. 
Bailey, J. W. Adsia abietina Sulliv. Bryologist, 7: 51. 2 My 1904. 
Note on the fruiting of this species at ‘Tacoma, Wash. 
Bailey, J. W. Webera Lachenaudi Card. & Thér. n. sp. Bryologist, 
7:66. 1 Jl 1904. [Illust.] 
Banker, H. J. Notes on the variability of Wypothele repanda. Tor- 
reya, 4: 113-117. 27 Au 1904. 
Barnes, C.R. The ascent of water in trees. Science, II. 20: 179. 
5 Au 1904. 
, J. H. The nomenclature of Hexalectris and cnpsdaee 
Torreya, 4: I1g-121. 27 Au 1904. 
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