Index to American botanical literature 55 



Sumstine, D. R, The Boletaceae of Pennsylvania. Torreya 4 : 184, 

 1S5. 10 D 1904. 



Warnstorf, C- Neue europaische iind exotische Moose. Beih. Bot. 



CentralbL 16: 237-252. pL 10, 11. 1904. 



Includes descriptions of 2 new American species of Spagmtm : S, roseum^ from 

 Brazil, and S. Ilarperiy from Georgia, 



Waters, C. E, Aspic nium eheneum proliferum. Rhodora 6: 210, 

 211. 29 O 1904. 



Watson, C. H. The structure and relation of the plastid. Trans. & 

 Proc. Bot. Soc. Pa. I : 336-344. //. 26^ 27. 1904. 



Weberbauer, A. Ponrretia gigantea. Bol. Soc. Geogr. Lima, 15: 78- 

 81. 31 Mr 1904. 



West, G. S. West Indian freshwater algae. Jour. Bot. 42: 281-294. 

 //. 464. I O 1904. 



Includes descriptions of 9 new species in 8 genera. 



Wetzstein, A, The white prickly poppy in northwestern Ohio. Plant 

 World 7 : 277, 278. [D] 1904. 



Wilson, P. Some introduced plants in Cuba. Torreya 4: 188. 30 

 D 1904. 



Winton, A. L. The anatomy of edible berries. Am. Jour, Pharm. 

 76: 428-441. /. i-g. S 1904; 533-545- /• ^-^-^- O 1904. 



Reprinted from Conn. Agric, Exp. Sta. Rep. 26: 288-313. f, 1-21. 1903. 



Woodward, H. C. Cream-colored jewel-weeds. Am. Bot. 7: 29, 



30. [O] 1904. 



Woolson, G. A. Nephrodium pittsfonlensis. Fern Bull. 12 : 106-108, 

 [D] 1904. 



Zang, W. Die Anatomic der Kiefernadel und ihre Verwendung zur 

 systematischen Gliederung der Gattung Fi?2us. 1-48. //, 7-j'. 

 Giessen, 1904. 



