204 INDEX TO AMERICAN BOTANICAL LITERATURE 
Blumer, J. C. A northern prickly pear. Plant World 16: 210-212. 
Jl 1913. 
Burlingham, G.S. The Lactarieae of the Pacific coast. Mycologia 5: 
305-311. 25 N 1913. 
Includes Russula crenulata, R. Murrillii, and R. bicolor, spp. nov. 
Butler, O. <A note on the significance of sugar in the tubers of Solanum 
tuberosum. Bull. Torrey Club 40: 110-118. pl. 2+f. 1, 2. 7 Ap 
1913. 
Cannon, W. A. A note on a chaparral-forest relation at Carmel, 
California. Plant World 16: 36-38. Ja 1913. 
Cannon, W. A. Notes on root variation in some desert plants. Plant 
World 16: 323-341. f. 1-4. D 1913. 
Collins, G. N. Mosaic coherence of characters in seeds of maize. 
U. S. Dept. Agr. Plant Ind. Circ. 132: 19-21. 19 Jl 1913. 
Conover, L. L. Behavior of Asparagus plumosus toward gravitation 
and light. Plant World 16: 61-68. F 1913. 
Cook, O. F. Nomenclature of the sapote and the sapodilla. Contr. 
U.S. Nat. Herb. 16: 277-285. pl. 100, ror. 13 D 1913. 
Crabill, C. H. Studies on Phyllosticta and Coniothyrium occurring on 
apple foliage. Ann. Rep. Virginia Agr. Exp. Sta. 1911, 1912: 
95-115. f. 18-33. 1913. 
Davis, B. M. A much desired Oenothera. Plant World 16: 145-153- 
f. dm gu MY. 1613. 
Elmer, A. D. E. Four score of new plants. Leaflets Philip. Bot. 5: 
1751-1853. 18 Au 1913. 
Elmer, A. D. E. Loranthus from Mount Urdaneta. Leaflets Philip. 
Bot. 6: 1959-1971. 29 N 1913. 
Includes eleven new species. 
Elmer, A. D. E. Rubiaceae from Mount Urdaneta. Leaflets Philip. 
Bot. 5: 1855-1905. 12S 1913. 
Includes twenty-five new species. 
Elmer, A. D. E. Seven oaks from Mount Urdaneta. Leaflets Philip. 
Bot. 6: 1981-1986. 6 D 1913. 
Includes Quercus Lipacon, Q. Copelandi, and Q. bicolorata, spp. nov. 
Evans, A. W., & Hooker, H. D., Jr. Development of the peristome in 
Ceratodon purpureus. Bull. Torrey Club 40: 97-109. f. 1-20. 
7 Ap 1913. 
Fink, B., & Smith, W. D. Botanical instruction in the high schools of 
Ohio. Miami Univ. Bull. XI. 12: 3-39. Au 1913. 
