INDEX TO Recent LITERATURE 615 
Orton, W. A. Some Diseases of the Cowpea. I. The Wilt Disease 
of the Cowpea and its Control. . Bull. U. S. Dept. Agric. (Plant 
Industry), 17: 1-22. pl. r-4+f. 22 Ap. 1902. 
Pammel, L. H. Some desirable Shrubs for the Lawn. Rep. Iowa 
State Hort. Soc. 35: 194-196. 1900. 
Parish, S. B. The southern California Sunflowers. _Cal. Floricul- 
turist, I: 5. Ja. 1902. [IHust.] 
Patterson, F. W. A Collection of economic and other Fungi pre- 
pared for Distribution. Bull. U.S. Dept. Agric. (Plant Industry) 8 : 
gt. 3 F. xg02. 
Perkins, J. Nachtrag zur Monographie der Monimaceae in Engler’s 
- Pflanzenreich, Heft IV. Engler’s Bot. Jahrb. 31: 743-748. 29 Au. 
Igo2. 
Includes new species in Mollinedia (3) and Stparuna (3). 
Perkins, J. Beitrige zur Kenntnis der Styracaceae. Engler’s Bot. 
Jahrb. 31: 478-480. 10D. 1901; 481-488. 29 Au. rgoz. 
Ten new species of Styrax from tropical America. 
Perkins, J. Monographische Ubersicht der Arten der Gattung Zést- 
anthus (Gentianaceae). Engler’s Bot. Jahrb. 31: 489-494. 29 
Au. 1902. 
Includes three new species from North America. 
Phelps,C.S. The Soy Bean as a Forage and Seed Crop. Bull. Storrs 
[Conn.] Agric. Exp. Sta. 22: 1-20. Ap. Igol. 
Plowright,C.B. The Willow-Melampsorae. Gard. Chron. III. 32: 
55, 56. 26 Jl. 1902. 
Preston, C.E. Peculiar Stages of Foliage in the Genus Acacia. Am. 
Nat. 36: 727-734. f. 1-10. S. 1902. 
Purdy, C. A Revision of the Genus Calochortus. Proc. Cal. Acad. 
Sci. (Botany) III. 2: 107-158. p/. 15-19. 14 D. Igo!. 
Includes five new species. 
Ramaley, F. The Trichome Structures of Zrodium cicutarium. Bot. 
Gaz. 34: 140-142. f. r-rg. 21 Au. 1902. 
Ramirez, J. Sinonimia vulgar y cientifica de las Plantas Mexicanas. 
_ 4to. 1-157. Mexico, 1902. 
Reed, H. S, _A Survey of the Huron River Valley. I. The Ecology 
_ Of aglacial Lake. Bot. Gaz. 34: 125-139. f.i-g. 21 Au. 1902. 
