INDEX TO AMERICAN BOTANICAL LITERATURE 



(1909) 



The aim of this Index is to include all current botanical literature written hj 

 Americans, published m America, or based upon American material ; the 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 laboratoiy 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 omissions, 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* 

 spondence relating to the card-issue should be addressed to the Treasurer of the Torrey 

 Botanical Club. 



Bartram, E. B. A Teucn'um new to Massachusetts. Rhodora ii : 

 148. I Jl 1909. 



Becker, W. Zwei Violen aus Peru. Repert. Nov. Spec. 7: 123, 124. 

 20 My 1909. 



V, ^nembranacea and V. kermesina spp. nov. 



Benedict, R. C. The type and identity oi Dryopteris Clintoniand (D. 

 C. Eaton) DowelL Torreya 9 : 133--140. /. /, 2, i Jl 1909. 



Berry, E. W. Pleistocene swamp deposits in Virginia. Am, Nat. 

 43: 432-436. / 7, 2, Jl 1909. 



Blodgett, F. H, The stem offshoot in Erythronium propullans Gray. 

 Johns Hopkins Univ. Circ. 1909: 706-709. f. r-j'. Je 1909. 



Britton, E. G- A rare moss in the conservatories. Jour. N. Y. Bot, 

 Gard- 10 : 140, 141. Je 1909. 



Britton, E. G. Notes on nomenclature — XL Bryologist 12: 62, 



63. Jl 1909. 

 Broadhurst, J. A weeping spruce, Torreya 9 : 145. i Jl 1909. 

 Brown, H. B. A peculiar specimen of Arctium. Plant World 12 : 



135-133- / ^* Je 1909. 

 Brown, W. H. Nuclear phenomena in Pyronema confltiens. Johns 

 Hopkins Univ. Circ. 1909: 712-715. Je 1909. 



485 



