394 INDEX TO AMERICAN BOTANICAL LITERATURE 
Krieger, L.C.C. Schizophyllum commune with a stipe. Myco 
logia 14: 47, 48. 6 Mr 1922. 
La Rue, C. D., & Bartlett, H. H. A demonstration of numerous 
distinct strains within the nominal species Pestalozzia 
Guepini Desm. Am. Jour. Bot. 9: 79-92. 20 Mr 1922. 
Lesdain, M. B. de. Lichenes prope Habanam in insula Cuba 
anno 1914 a cl. fratre Arséne Brouard lecti. Bryologist 24: 
68, 69. 15 F 1922. 
Levine, M. Studies on plant cancers. III. The nature of the 
soil as a determining factor in the health of the beet, 
Beta vulgaris, and its relation to the size and weight of the 
crown gall produced by inoculation with Bacterium tume- 
faciens. Am. Jour. Bot. 8: 507-525. 15 F 1922. 
Lewis, I. F., & Taylor, W. R. Notes from the Woods Hole 
Laboratory, 1921. Rhodora 23: 249-256. pl. 133+f. I, 2. 
ay ¥ ‘TO22. 
Includes 1 comb. nov. 
Loeb, J. Quantitative laws in regeneration. III. The quanti- 
tative basis of polarity in regeneration. Jour. Gen. Physiol. 
4: 447, 461. f. 1-8. 20 M 1922. 
Experiments with Bryophyllum calycinum. 
Laftfield, J. V. G. The behavior of stomata. Carnegie Inst. 
Washington Publ. 314: 1-104. pl. 1-16 + f. 1-54. 10921. 
Ludwig, C. A. The control of angular leaf spot of cotton. 
Phytopathology 12: 20-22. 10 Mr 1922. 
Macbride, T. H. Some of the ways of the slime mould. Mycolo- 
gia 13: 329-334. 21 Jia 1922. 
Mains, E.B. Heteroecism of Puccinia montanensis, P. Koeleriae 
and P. apocrypta. Mycologia 13: 315-322. f. 1-4. 21 Ja 
1922. 
Martin, G. W. Rhizophidium polysiphoniae in the United 
States. Bot. Gaz. 73: 236-238. f. -10. Mr 1922. 
Maxon, W.R. Notes on American ferns—XVIII. Am. Fern 
Jour. 11: 105-107. 31 Mr 1922. 
