INDEX TO AMERICAN BOTANICAL LITERATURE _ 71 
Conard, H.S. Revegetation of a denuded area, II. Bot. Gaz. 
75: 414-420. f.2, 2.» 28 Je 1923. 
Area located in Long Island, New York. 
Connors, C. H. Twin and triplet peaches. Jour. Hered. 14: 
89-92. f. 15-17. 31 My 1923. 
Cook, M. T. Blister rust of the white pine. Phytopathology 
13; 283... 9 Je1922. 
Cook, M. T. A disease of dahlias. Phytopathology 13: 285. 
7 Je 1923. 
Cook, M. T. Dwarf Asparagus. Phytopathology 13: 284. 7 
Je 1923. 
Cook, O. F. . Evolution of compound leaves in walnuts and 
hickories. Jour. Hered. 14: 77-88. f. 9-14. 31 My 1923. 
Cook,O.F. Opsiandra, a new genus of palms growing on Maya 
ruins in Petén, Guatemala. Jour. Washington Acad. Sci. 
13: 179-184. 4 My 1923. 
Opsiandra maya Cook, gen. and sp. nov. 
_ Crawford, J. A. Hardy ferns. Jour. New York Bot. Gard. 
24: 114-119. Je 1923. 
Crawford, J. A. Parsonsia micropetala. Addisonia 8:5, 6. pl. 
259. 15 My 1923. 
Native of Mexico. 
Crawford, J. A. Verbena venosa. Addisonia 8: 3, 4. pl. 258. 
15 My 1923. 
Native of southern Brazil and Argentina. 
Czarnecki, H. Studies on the so-called black heart disease of 
the apricot. Phytopathology 13: 216-224. pl. 11 + f. 1-4. 
11 My 1923. 
Dearness, J., & House, H.D. New and noteworthy species of 
Fungi. New York State Mus. Bull. 243: 70-80. Je 1923. 
Includes new species in Microdiplodia (1), Mycosphaerella (1), and 
Sphaerulina (1). 
Debbarman, P. M. A floral abnormality of the Indian water 
lily. Jour. Hered. 14:96. f. 18. 31 My 1922. 
