INDEX TO AMERICAN BOTANICAL LITERATURE 45 
Butters, F. K. Pellaea atropurpurea (L.) Link and Pellaea glabella 
Mett. ex Kuhn. Am. Fern Jour. 7: 77-87. Jl 1917. 
Butters, F. K., & St. John, H. Studies in certain North American 
species of Lathyrus. Rhodora 19: 156-163. 108 1917. 
Candolle, C. de. Meliaceae centrali-americanae et panamenses. 
Smithsonian Misc. Coll. 688: 1-8. 23 Jl 1917. 
Includes rr new species in Gaurea (9) and Trichilin (2). 
Childs, L. New facts regarding the period of ascospore discharge of 
the apple scab fungus. Oregon Agr. Exp. Sta. Bull. 143: I-11. 
My 1917. 
Chupp, C. Studies on clubroot of cruciferous plants. Cornell Agr. 
Exp. Sta. Bull. 387: 421-452. f. 95-110. Mr 1917 
Plasmodiophora Brassicae. 
Clinton, G. P. Report of the botanist for 1913. Connecticut Agr. 
Exp. Sta. Rep. 38: 2-42. pl. 1-8. 1915. 
Includes: Notes on plant diseases of Connecticut; (2) So-called chestnut 
blight poiso: : 
Cockerell, ca D. A. Adult characters in sunflower seedlings. Jour. 
Heredity 8: 361, 362. f. 13. Au 1917. ; 
Cockerell, T. D. A., Lamium amplexicaule in Colorado. Torreya 
27:.123. 48 jl 1917. 
Coker, W. C. The amanitas of the eastern United States. Jour. 
Elisha Mitchell Sci. Soc. 33: 1-88. pl. 1-69. Je 1917. 
Includes Amanita hygroscopica sp. nov. and Amanita mappa var. lavendula, A. 
spissa var. alba and A. rubescens var. alba, var. 
Collins, F. S., & Hervey, A. B. The aces 6f Bermuda. Proc. Am. 
Acad. Arts and Sci. 43: 1-195. pl. 1-6. [31] Au 1917. 
Includes descriptions of new species in Dermocarpa (1), Hormothamnion (1), 
Oedogonium (1), Endoderma (1), Chaetomorpha (1), Cladophora (3), Codium (1). 
(1), Spermothamnion (1), Gymnothamnion (1), Ceramium (2), and Rhodochorton (1); 
also various new combinations and form names. 
i. Common diseases of apples, pears and quinces. New 
Jersey Agr. Exp. soe 24e 80: 1-27. f. I-23. 10 My 1917. 
A revision of Circ. 44: 
Cook, M. T. paste: decane of beans and peas. New Jersey Agr. 
Exp. Sta. Circ. 84: 1-8. f. 1-4. 9 Je 1917. 
Cook, M. T. Common diseases of the peach, plum and cherry. New 
Jersey Agr. Exp. Sta. Circ. 81: 1-19. f.I-1Ir. 19 My 1917. 
A revisoin of Circ. 45: I915- 
Cook, M.T. A Nectria parasitic on Norway maple. Phytopathology 
7: ats, 314. 67 5 1917: 
Cook, M. T., & Martin, W. H. Diseases of tomatoes. New Jersey 
Agr. Exp. Sta. Circ. 71: 1-8. f. 1-6. Ap 1917. 
