INDEX TO AMERICAN BOTANICAL LITERATURE 499 
Johnson, D.S. Cinchona as a tropical station for American botanists. 
Science II. 43: 917-919. 30 Je 1916. 
Jones, D. H. Some bacterial diseases of vegetables found in Ontario, 
Ontario Dept. Agr. Bull. 240: 1-24. pl. 1-10. Je 1916. 
Lamb, W. H. Hybrid trees. Jour. Heredity 7: 311-319. f. 12-15. 
26 Je 1916. 
A review of a recent paper by A. Henry, “The black poplars,’ 
additional information and suggestions. 
Livingston, B. E. A single index to represent both moisture and tem- 
perature conditions as related to plants. Physiol. Researches 1: 
421-440. f. r. My 1916. 
Long, B. A belated correction. Rhodora 18: 142, 143. 1 Je 1916. 
Juncus brachycarpus does not occur at Fort Fairfield, Maine. 
Long, B. Distribution of Carex aggregata in the Philadelphia region. 
Torreya 16: 131-136. 15 Je 1916. 
MacCaughey, V. The tree ferns of Hawaii. Am. Bot. 22: 1-9. F 
1916. 
Maxon, W. R. Studies of tropical American ferns—No. 6. Contr. 
U.-S. Nat. Herb. 17: 541-608+i-viii. pl. 32-43. 23 My 1916. 
Includes Polypodium Williamsii, P. subvestitum, P. fallacissimum, P. Rusbyi, 
P. guitatum, P. Collinsii, P. macrolepis, P. argentinum, P. bombycinum, P. Rosei, 
and six other new species of Polypodium, and Notholaena neglecta and N. aliena, spp. 
nov. 
Miller, E. C. Comparative study of the root systems and leaf areas 
of corn and the sorghums. Jour. Agr. Research 6: 311-332. pl. 
38-44 +f. 1-3. 29 My 1916. 
Murrill, W. A. (Agaricales) Agaricaceae (pars). Agariceae (pars). 
N. Am. FI. 9: 297-374. 7 Je 1916. 
Includes Geopetalum albescens, G. geophilum, G. subelatinum, G. tremelliforme, 
G. subhaedinum, Micromphale badium, Omphalopsi sis translucentipes, O. turbinaia, 
O. pseudogrisea, eleven other species in this genus and 53 in Prunulus, 15 in Ophalina 
and 44 in Gymnopus. 
' Murrill, W.A. Edible and poisonous mushrooms. 1-76. Chart. New 
York. 26 Je 1916. 
Murrill, W. A. Illustrations of fungi— XXIV. Mycologia 8: 191- 
sca I 15 J 1916, 
and contains 
. , papers SE ae bh; id. 
“oO - 
L. testacea, sp. nov.; en maculosa sp. nov. and L. torminosa. 
Murrill, W. A. An interesting Arum from India. Jour. N. Y. Bot. 
Gard. 17: 85, 86. 14 Jl 1916. 
Amor phophallus bulbifer. 
