INDEX TO AMERICAN BOTANICAL LITERATURE 571 
Clarke, D. A.. The commercial forest trees, of Massachusetts. 1-66. 
Boston. 1908. [Illust.] 
Conard,H.S. The structure of Simblum sphaerocephalum. Mycologia 
5: 264-273. pl. 06, o7 +f.1. 40 1913. 
Cook, O. F. Reticular heredity. Jour. Heredity 5: 341-347. Au 
1914. 
Copeland, E. B. New Sumatran ferns. Philip. Jour. Sci. 9: (Bot) 
227-233. Je 1914. 
Sixteen new species are described. 
Coulter, J. M. The problems of plant breeding. Trans. Illinois 
Acad. Sci. 4: [1-12]. 25 Ja 1912. 
Reprinted without pagination. 
Dammer, U. Solanaceae. In Pilger, R., Plantae Uleanae novae vel 
minus cognitae. Notizbl. Kénigl. Bot. Gart. Berlin 6: 187, 188. 
15 My tor 
Includes Schwenkia Ulei U. D. sp. nov. 
Davis, B. M. Genetical studies on Oenothera. V. Some reciprocal 
crosses of Oenothera. Zeits. Induk. Abstammungs- und Vererbungs- 
lehre 12: 160-205. f. I-22. Je 1914. 
Davis, W. T. An addition to the list of hybrid oaks. Proc. Staten 
Island Arts & Sci. 1: 97, 98. F 1907. 
Davis, W.T. The disappearing wild plants of Staten Island. Proc. 
Staten Island Arts & Sci. 1: 108-112. Ap 1907. 
Derby, O. A. Observations on the crown structure of Psaronius bra- 
ziliensis, Am. Jour. Sci. 38: 149-156. f. 1-3.. Au 1914. 
Duggar, B. M. The effects of conditions of growth upon susceptibility 
of fungous diseases. Trans. Massachusetts Hort. Soc. 1909: 51-64. 
30 Ja 1909. | 
Duggar, B. M., & Merrill, M.C. The effect of certain conditions upon 
the acidity of tomato fruits. Ann. Missouri Bot. Gard. 1: 237-240. 
_ My I9T4. 
Evans, A. W. Lepidozia sylvatica. Bryologist > 77, 78. S 1906. 
Reprinted from a paper in Rhodora 9: 186-188. ; 
Fawcett, W., & Rendle, A.B. Notes on jue species of Capparis. 
Jour. Bot. 52: 142-144. Je 1914. 
Fernald, M.L. Some Antennarias of northeastern America. Rhodora 
16: 12 ‘ 1] 1914. 
Be oe EA A. straminea, and A. subviscosa, me nov. 
Fernald, M. L., & Wiegand, K. M. The genus Ruppia in eastern 
North America. Rhodora 16: 119-127. pl. 110. 27 Jl 1914. 
