500 INDEX TO AMERICAN BOTANICAL LITERATURE 
Murrill, W.A. Pleurotus, Omphalia, Mycena, and Collybia, published in 
North American Flora. Mycologia 8: 218-221. 15 Jl 1916. 
Nichols, G.E. The Bryophytes of Nova Scotia, with special reference 
to Cape Breton. Bryologist 19: 38-47. 26 My 1916. 
Nichols, G. E. The vegetation of Connecticut. V. Plant societies 
along rivers and streams. Bull. Torrey Club 43: 235-264. f. I-II. 
16 Je 1916. 
Noble, M. A. Fern hunting in Florida in the phosphate country. 
Am. Fern Jour. 6: 42-44. Je 1916. 
Nothnagel, M. Reduction divisions in the pollen mother cells of 
Allium tricoccum. Bot. Gaz. 61: 453-476. pl. 28-3o+f.1. 15 Je 
1916. 
Ochoterena, I. Lo Carioquinesis vegetativa en las plantas Mexicanas. 
Bol. Dir. Est. Biol. 1: 412-430. f. 1-19. Ap 1916. 
Olive, E. W. Report of a trip to study and collect rusts and other 
parasitic fungi of Porto Rico. Brooklyn Bot. Gard. Record 5: 
117-122. f..8 Jl 1916. 
Orton, C. R. The diseases of the potato. Pennsylvania Agr. Exp. 
Sta. Bull. 140: 4-37. f. 1-23. My 1916 
Osterhout, W. J. V. Permeability and viscosity. Science II. 43: 
857-859. 16 Je 1916. 
Overholts, L.O. New or interesting species of gill fungi from Missouri. 
Ann. Missouri Bot. Gard. 3: 195-200. pl. 6+f. 1. F 1916. 
Includes Claudopus subnidulans, Panaeolus reticulatus, P. rufus and P. variabilis, 
spp. nov. 
Pfeifer, N. E. The prothallia . si aoa ci vulgatum. Bot. Gaz. 
61: 518-522. f. I-4. 16 Je 1916 
Piper, C. V. New plants from sin Proc. Biol. Soc. Washington 
29: att 6 Je 1916. 
armoratum, Sidalcea cusickii, Carum erythrorhizum, Solidago 
cusickii and Racsucie, gormani, spp. nov. 
[Popenoe, P.] Where are the best papaws? Jour. Heredity 7: 291-296- 
* cM iphieeat tog Jl 1916. 
Asimina triloba. 
Pratt,O.A. A western fieldrot of the Irish potato tuber caused by 
Fusartum radicicola. Jour. Agr. Research 6: 297-310. pl. 34-37 
29 My 1916. 
Prescott, A. Oswego tea in the garden. Am. Bot. 22: 19. F 1916. 
Price, W. A. Starch in apple trees. Ohio Jour. Sci. 16: 356-359- Je 
1916. 
