INDEX TO AMERICAN BOTANICAL LITERATURE 135 
Murrill, W. A. The Agaricaceae of tropical North America—VI. 
Mycologia 5: 18-36. Ja 1913. 
Includes new species in Gymnopilus (14), Crepidotus (9), and Pholiota (5). 
Several new combinations are made. 
Murrill, W. A. Illustrations of fungi— XIII.. Mycologia 5: I-5. 
pl. 80. Ja 1913. 
Includes Gyroporus peeian es ) Quél., Ceriomyces auriporus (Peck) Murrill, 
Rostkovites granulatus (L.) P. an so arpa (Peck) Murrill, C. subglabripes 
(Peck) Murrill, and C. bicolor bee) rome 
Norton, J. B. S. Maryland peas ae other harmful plants, Ann. 
Rep. Maryland Agr. Exp. Sta. 25: 1-71. pl. I-13. 1912. 
Norton, J. B. Methods used in breeding asparagus for rust resistance. 
U. S. Dept. Agr. Plant Ind. Bull. 263: 5-60. pl. 1-18. f. 1-4. 13 Ja 
1913. 
Norton, J. B. S., & White, T. H. Rose mildew. Ann. Rep. Maryland 
Agr. Exp. Sta. 25: 73-80. f. 1-6. 1912. 
Ohiweiler, W. W. The relation between the density of cell saps and 
the freezing points of leaves. Ann. Rep. Missouri Bot. Gard. 23: 
101-131. pl. 6. 1912. : 
Osterhout, W. J. V. The effect of anesthetics upon permeability. 
Science II. 37: 111, 112. 17 Ja 1913. 
Peltier, G. L. A consideration of the physiology aid life history of a 
parasitic Botrytis on pepper and lettuce. Ann. Rep. Missouri Bot. 
Gard. 23: 41-74. pl. 1-5... 1912. 
Perkins, J. Beitrage zur Flora von Bolivia. Bot. Jahrb. 49: 177-233. 
14 Jal 
Includes descriptions of 20 new species contributed by various authors. (Con- 
tinued from p. 176. 27 Au 1912.) 
Quehl, L. Mamillaria Kunzeana Bédeker et Quehl spec. nov. Mo- 
nats. Kakteenk. 22: 177, 178. 15 D 1912. [lIllust.] 
Rehm, H. Ascomycetes exs. fasc. 51. Ann. Myc. to: 535-541. 31 D 
Includes Valsa saccharina Rehm sp. nov. from Canada. ee distributed 
as Urnula Craterium Fr. and Venturia Cassandrae Peck were obtained fr 
Safford, W. E. Annona diversifolia, a custard-apple of om foORs 
Jour. Washington Acad. Sci. 2: 118-125. f. 1-4. 4 Mr 1912. 
Safford, W. E. Pseudannona, a new genus of Annonaceae from the 
Mascarene Islands: together with notes on Artabotrys uncinatus 
and its synonymy. Jour. Washington Acad. Sci. 3: 16-19. 4 Ja 
1913. 
Sammis, E. M. A vacation among the mosses. Torreya 13: I-13. 
f. 1-5. 8 Ja 1913. 
