442 InDEx TO AMERICAN BOTANICAL LITERATURE 
Mackenzie, K. K. Notes on Carex—VI. Bull. Torrey Club 37: 231-250. 
2 Je 1910. 
McGregor, E. A. Two new seed-plants from the Lake Tahoe region, Cali- 
fornia. Bull. Torrey Club 37: 261-264. f. 1, 2. 2 Je 1910. 
Apocynum bicolor and Lappula Jessicae, spp. nov. 
Mell, C. D. The histology of resin canals in white fir. Am. Forestry 16: 
351-356. f. 1-9. Je 1910. 
Meyer, R. Uber Echinopsis campylacantha R. Mey. und E. leucantha 
Walp. Monats. Kakteenk. 20: 73-76. 15 My 1910. 
Murrill, W. A. The Polyporaceae of Jamaica. Mycologia 2: 183-197. 
15 Jl 1910. 
13 species described as new. 
Nash, G. V. A century plant coming into flower. Jour. N. Y. Bot. Gard. 
Ir: 123-125. pl. 79. My i910. 
Nash, G. V. Tropacolaceae. N. Am. Flora 25: 89-91. 3 Je 1910. 
‘\ Newcombe, F.C. The place of plant responses in the categories of sensi- 
tive reactions. Am. Nat. 44: 333-342. Je 1910. 
Nichols, G. E. Notes on Connecticut mosses. Rhodora 12: 146-154. 
14 Jl 1910. 
Osterhout, G.E. Colorado notes. Muhlenbergia 6: 46, 47. f.8. 12 My 
Includes Aulospermum Betheli sp. nov. and new varieties, one each, in Aster and 
Arnica. 
Pace, L. Some peculiar fern prothallia. Bot. Gaz. 50: 49-58. f. I-IJ. 
14 Jl 1910. 
Piper, C. V. Botany in its relations to agricultural advancement. Science 
II. 31: 889-900. to Je 1910. 
Prescott, A. Juvenile ferns. Fern Bull. 18: 45-47. [My] 1910 
Rock, J. F. Some new Hawaiian plants. Bull. Torrey Club 37: 297-304 
f.I-5. 21 Jligio 
New species, one each, in Pittosporum, Sideroxylon, Lysimachia, and Dubautia. 
Rolfe, R. A. Begonia Martiana, var. grandiflora. Curt. Bot. Mag. IV. 
6: pl. 8322. Ji 1910. 
Sargent, C. S. Crataegus in Pennsylvania—II. Proc. Acad. Nat. Sci. 
Philadelphia 62: 150-253. Ap 1910. 
Many new species described. 
Saxton, W. T. Contributions to the life history of Widdringtonia cupres- 
soides. Bot. Gaz. 50: 31-48. pl. 1-3+f. 1-3. 14 Jl 1910. 
Schatzberg, A. Preservation of wild flowers. Jour. N. Y. Bot. Gard. 11: 
117-123. My 1910. 
