INDEX TO AMERICAN BOTANICAL LITERATURE 563 
Darling, C. A. The determination of woods. Torreya 12: 201-208, 
3S 1912. 
Darling, C. A. Mitosis in living cells. Bull. Torrey Club 39: 407-409. 
16 Au 1912. 
Davidson, A. A new Frasera. Bull. S. Calif. Acad. Sci. 11: 77. pl. 1. 
Jl 1912. 
Frasera puberulenta. 
Davis, W. E., & Rose, R.C. The effect of external conditions upon the 
after-ripening of the seeds of Crataegus mollis. Bot. Gaz. 54: 49-62. 
15 Jl 1912. 
Elder, M. E. Roadside plants of a high mountain park in Colorado, 
Torreya 12: 175-180. 9 Au 1912. 
Fernald, M.L. Galium brevipes in Minnesota. Rhodora 14: 175, 176. 
23 Au 1912. 
Gee, W. P., & Massey, A.B. Aspergillus infecting Malacosoma at high 
temperatures. Mycologia 4: 279-281. f. 7. 28 Au 1912. 
Giissow, H. T. The nature of parasitic fungi. Their influence upon 
the host plant. Gard. Chron. 51: 183. 23 Mr 1912. 
Harris, J. A. Chloranthy and vivipary in the staminate inflorescence 
of Euchlaena mexicana. Torreya 12: 181-183. f. 2. 9 Au 1912. 
Harris, J. A. The formation of condensed correlation tables when the 
number of combinations islarge. Am. Nat. 46: 477-486. Au 1912. 
- Hastings, E.G. A method for the preservation of plate cultures for 
museum and demonstration purposes. Centralb. Bakt. Zweite Abt. 
34: 432-434. pl. 1-3. 20 Jl 1912. [Illust.] 
auman-Merck, L. Observations d’éthologie florale sur quelques 
espéces argentines et chiliennes. Rec. Inst. Bot. Léo Errera 9g: 1-20. 
~ 3. 1912. 
Hauman-Merck, L. Observations éthologiques et systématiques sur 
deux espéces argentines du genre Elodea. Rec. Inst. Bot. Léo 
Errera 9: 33-39. 1912. 
Hauman-Merck,L. Observations sur la pollination d’une Malpighiacée 
du genre Stigmaphyllon. Rec. Inst. Bot. Léo Errera 9: 21-27. f. 4. 
1912. 
Hauman-Merck, L. Sur un cas de géotropisme hydrocarpique chez 
Pontederia rotundifolia L. Rec. Inst. Bot. Léo Errera 9: 28-32. 
7.5. 10%, 
Hehre, H. An horticultural marvel—flowers directly from the seed. 
Bull. S. Calif. Acad. Sci. 11: 79. pl. 2. Jl 1912. 
Heller, A. A. The North American lupines—VI. Muhlenbergia 8: 
61-71. pl. 6 +f. 7, 8. 23 Ji 1912. 
Includes Lupinus lignipes and L. confusus spp. Nov. 
