INDEX TO AMERICAN BOTANICAL LITERATURE 225 
Merrill, E.D. Twonewspecies of plants from Hainan. Philipp. 
Jour. Sci. 39: 677-679. D 1921. 
Merriman, M. L. A new species of Spirogyra with unusual 
arrangement of the chromatophores. Am. Jour. Bot, 9: 
WGs, 2ba: F223 ,.212 Ji Yo22: 
Spirogyra rectispira, sp. nov., from New York, 
Metcalf, F. P. Notes on marsh and aquatic plants of Missouri. 
Jour. Washington Acad. Sci. 12: 307-312. 19 Jl 1922. 
Milbraith, D. G. Alternaria from California. Bot. Gaz. 74: 
320-324. f. 1, 2.- 23 N:1922. 
Alternaria oleracea sp. nov. 
Montoya y Plorez, J. B. oem sinufanaes. Pp. I-60 
Medellin, Colombia. 1922 
Moss, E. H. Observations on two poplar cankers in Ontario. 
Phytopathology 12: 425-427. 17 O 1922. 
Mousley, H. Further notes on the ferns of Hatley, Stanstead 
County, Quebec, 1921-1922. Canad. Field-Nat. 36: 149- 
82:40 19042, 
Muenscher, W.C. The effect of transpiration on the absorption 
of salt by plants. Am. Jour. Bot. 9: 311-329. 12 Jl 1922. 
Munns, E. N. Bear clover and forest reproduction. Jour. 
For. 20: 745-754. f. 1-3. N 1922 
Munz, P. A., & Johnston, I. M. The distribution of southern 
California Pteridophytes (cont.). Am. Fern Jour. 12: 1o1- 
122: 40 1987. 
Murrill, W. A. Dark-spored agarics—IV. Deconica, Atylospora 
and Psathyrella. Mycologia 14: 258276 r > 1922 
Includes 8 new species. 
Nagai, I. A genetico-physiological study on the formation of . 
anthocyanin and brown pigments in plants. Jour. Coll. 
Agr. Tokyo 8: 1-92. pl. 7. 5 N 1921. 
Nelson, J. C. Additions to the flora of western Oregon during 
1921. Torreya 22: 98-102. D 1922. 
