102 INDEX TO AMERICAN BOTANICAL LITERATURE 
Buck, F.E. Our Canadian nut trees. Ottawa Nat. 32:87-89. N 1918. 
Burnham, S. H. Charles Horton Peck. Mycologia 11: 33-39. f. I. 
Ja 1919. ‘ 
Burt, E. A. The Thelephoraceae of North America—X. Hymeno- 
chaete. Ann. Missouri Bot. Gard. §: 301-370. pl. 16, 17+f. 1-32. 
N 1918. 
Cafiizares, F. G. El Jardin Botanico del Instituto de Segunda En- 
sefianza de la Habana. 1-169. Habana. 1918. [Illust.] 
Contains a list of plants grown in the garden. Many of these plants are illus- 
trated. 
Carsner, E. Angular-leaf-spot of cucumber: dissemination, overwin- 
tering and control. Jour. Agr. Research 15: 201-220. pi. 13-16 + 
jf. I-3.. 21 O:1018: 
[Clute, W. N.] Note and comment. Am. Bot. 24: 141-153. N 1918. 
Includes notes on A fragrant goldenrod, New use for Sphagnum, Vitis palmata, 
Geitonogamy and xenogamy, Age of endemic species, etc. 
[Clute, W. N.] Oils, resins and rubbers. Am. Bot. 24: 136-140. 
N 1918. 
Colén, E. D. La enfermedad de las rayas. Hechos establecidos y 
deducciones practicas. Puerto Rico Dep. Agr. Circ. 14: 1-8. 
1918. [Illust.] 
Crocker, W., & Harrington, G. T. Catalase and oxidase content of 
seeds in relation to their dormancy, age, viability, and respiration. 
Jour. Agr. Research 15: 137-174. f. 1-3. 21 O 1918. 
Dixon, H. N. “Chatubinskia,” a further correction. Bryologist 21: 
81, 82. S$ 1918. 
Durand, E. J. Peziza proteana var. sparassoides in America. My- 
cologia 1r: 1-3. pl. r. Ja 1919. 
Emerson, A. I., & Weed, C. M. Our trees. How to know them. 
i-xii + 1-295. Philadelphia. 1918. 
5th Ed. 
Emerson, R.A. A fifth pair of factors, Ac, for aleurone color in maize, 
and its relation to the C, and R; pairs. Cornell Agr. Exp. Sta. 
Mem. 16: 231-289. f. zr. N 1918. 
Fellers,C.R. The effect of inoculation, fertilizer treatment and certain 
minerals on the yield, composition and nodule formation of soybeans. 
Soil Sci. 6: 81-129. pl. 5. Au 1918. 
Fernald, M. L. An intergeneric hybrid in the Cyperaceae. Rhodora 
20: 189-191. pl. 125. 17 D 1918, 
Fernald, M. L. Solidago racemosa Greene, forma iii: n. f. 
Rhodora 20: 172. 4S 1918 
