g2 INDEX TO AMERICAN BOTANICAL LITERATURE 
Kirby, R.S. The take-all disease of cereals and grasses. Phyto- — 
pathology 12: 66-88. pl. 2-4 +f. 1-3. 25 Ap 1922. 
Kraebal, C. J. Mauna Kea plant list. Hawaiian For. & Agr. 
19; 2-4. My 1922. 
Krauch, H. The intolerance of western yellow pine regarded as 
a regulating factor in the maintenance of the type. Jour. 
For. 20: 463, 464. My 1922. 
Lee, H. A. Banana freckle in the Phillippine Islands. Phyto- 
pathology 12: ror, 102. f. 7. 25 Ap 1922. 
Long, B. Occurrence of Botrychium matricariaefolium in New 
Jersey. Am. Fern Jour. 12: 1-9. 15 Je 1922. 
Ludwig, C. A. The growth of tree twigs. Proc. Indiana Acad. 
Sci. 1921: 121-131. 1922. 
Lupo, P. Stroma and formation of perithecia in Hypoxylon. 
Bot. Gaz. 73: 486-495. pl. 18 + f. 1-7. Je 1922. 
Lyon, C. J. A phaenological study in New England. Torreya 
22: 19-28. Mr-—-Ap 1922. 
Macbride, T. H. The North American slime molds. Revised 
edition. pp. 1-340. pl. 1-23. New York. 1922. 
Macht, D.I., & Livingston, M. B. Effect of cocaine on the growth 
of Lupinus albus. A contribution to the comparative 
pharmacology of animal and plant protoplasm. Jour. Gen. 
Physiol. 4: 573-584. 20 My 1922. 
Mains, E. B. Evidence of the seed carriage of the Euphorbia 
rusts, Uromyces proeminens and U. dictosperma. Proc. 
Indiana Acad. Sci. 1921: 137-1309. 1922. 
Mains, E. B. Observations concerning Puccinia Pattersoniana 
and Puccinia Moreniana. Proc. Indiana Acad. Sci. 1921: 
35-1355: Dl. 1. 1922. 
Marsh, C. D., & Clawson, A. B. The death camas species, 
Zygadenus paniculatus and Z. elegans, as poisonous plants. 
U. S. Dept. Agr. Bull. 1or2: I-25. pl. 1-3 + f. 1-5. 17 
Ap 1922. 
