INDEX TO AMERICAN BOTANICAL LITERATURE 299 
Kellerman, K. F. Testing cultures of nodule- forming bacteria. U.S. 
Dept. Agr. Plant Ind. Circ. 120: 3-5. f. 1. 5 Ap 1913. 
Kempton, J. H. Floral abnormalities in maize. U. S. Dept. Agr. 
Plant Ind. Bull. 278: 5-18. pl. 7, 2+f. 1, 2. 2 Ap 1913 
Kirk, G. L. Some West Haven plants. Bull. Vermont Bot: Club 8: 
47; 18. Ap 19613: 
Knowlton, F. H. The fossil forests of Arizona. Am. Forestry 19: 
207-218. Ap 1933. 
Kunze, R.E. LEchinocactus Wislizeni Engel. and Echinocactus Lecontei 
Engel. Torreya 13: 73-75. 6 Ap 1913. 
Lawrence, W.H. Bluestem of the black raspberry. Washington Agr. 
Exp. Sta. Bull. 108: 3-30. f. 1-49. O 1912. 
Caused by Acrostolagmus caulophagus sp. nov. 
Lawrence, W. H. Plant diseases induced by Sclerotinia perplexa nov. 
sp. Washington Agr. Exp. Sta. Bull. 107: 3-22. f. I-9. O 1912. 
Lloyd, C. G. Mycological Notes 38: 510-524. f. 510-519. N 1912. 
[Illust.] 
Lyon, T. L., & Bizzel, J. A. The influence of alfalfa and of timothy on 
the production of nitrates in soils. Centralb. Bakt. Zweite Abt. 
37: 161-167. 29 Mr 1913. 
Maublanc, A. Sur une maladie des feuilles du papayer ‘Carica 
Papaya.” A Lavoura 16: 208-212. 1913. [Illust.] 
sed by Sphaerella Caricae (Speg.) Maublanc, the ascigerous stage of Cer- 
cospora Caricae Speg. The same paper is published also in Portuguese under the 
title ‘‘Sobre uma molestia do mamoeiro (Caryca Papayal, L.),’’ 204-208. 
May, J.B. A teratological specimen of Cypripedium acaule. Rhodora 
15: 73,74. 23 Ap 1913. 
McAtee, W.L. A list of plants collected on St. Vincent Island, Florida. 
Proc. Biol. Soc. Washington 26: 39-52. 22 Mr 1913. 
McBeth, I. G., & Scales, F. M. The destruction of cellulose by bacteria 
and filamentous fungi. U.S. Dept. Agr. Plant Ind. Bull. 266: 9-52. 
pl. 1-4. 21 F 1913. : 
McKee, R., & Ricker, P. L. Nonperennial Medicagos: the agronomic 
value and botanical relationship of the species. U.S. Dept. Agr. 
Plant Ind. Bull. 267: 5-38. pl. 1-13. 21 F 1913. : ; 
McMurphy, J. The Synchytria in the vicinity of Stanford University. 
Dudley Memorial Volume (Stanford Univ. Publ.) 111-114. pl. 1, 2. 
1913. 
Includes Synchytrium Amsinckiae sp. nov. 
_ Meade, R. M. Methods of securing self-pollination in cotton. U. S. 
Dept. Agr. Plant Ind. Circ. 121: 29, 30. f. 1. 12 Ap 1913. 
