INDEX TO AMERICAN BOTANICAL LITERATURE 353 
Kiikenthal, G. Cyperaceae-caricoideae. Pflanzenreich 4”: 1-824. f. 
I-128. 1909. 
Livingston, B. E. The choosing of a problem for research in plant 
physiology. Plant World 15: 73-82. Ap 1912. 
ivingston, B. E. Present problems in soil physics as related to plant 
activities. Am. Nat. 46: 294-301. My 1012. 
Macbride, T. H. “The passing of the slime-moulds.” Science II. 35: 
741-743. 10 My 1og12. 
Macfarlane, J. M. Nepenthaceae. Pflanzenreich 4'": 1-92. f. I-19. 
1908 
908. 
Macfarlane, J. M. Sarraceniaceae. Pflanzenreich 4': 1-38. f. I-11. 
Varietéten. Monats. Kakteenk. 22: 42-44. 15 Mr 1912; 22: 57- 
60. 15 Ap 1912. 
Meyer, R. Weiteres iiber Echinocactus myriostigma S.-D. und seine 
Standortsvarietiten. Monats. Kakteenk. 22: 49. 15 Ap 1912. 
fore, C.L. Some Nova Scotian aquatic fungi. Trans. Nova Scotia 
Inst. Sei. 12: 217-238. 18 Mr 1912. 
Nichols, G, E. Notes on Connecticut mosses—III. Rhodora 14: 
45°52. 5 Mr to12. 
Nicholson, W. E, The genus Claopodium in Europe. Bryologist 15: 
41-44. My 1912. 
Noter, R. de. Notes sur les A gave, Dasylirion, Bonapartea et Beschor- 
merta. Rev. Hort. Belge et Etrangére 38: 33-35. 15 Ja 1912; 
9,97. 15 Mr 1912; 144-146. 1 My 1912. 
Osterhout, G.E. New plants from Colorado. Muhlenbergia 8: 44, 45. 
25 Ap 1912, 
C : : 
“ORswellia concinna sp. nov. and Gnaphalium decurrens glandulosum var. nov. 
OS aking snow. Am. Bot. 18: 33-35. My 1912. 
R. Further notes regarding selection index numbers. Am. Nat. 
Prete $02-307._ My 1912. 
*r, N. E. Abnormalities in prothallia of Pteris longifolia. Bot. 
Reprat, 83: 435-438. f. I-4. 15 My 1912. 
Ids, E. g, Relations of parasitic fungi to their host plants—I. 
