INDEX TO RECENT LITERATURE 517 
Lloyd, F. E. A New and Cheap Form of Auxanometer. Torreya, 3: 
97-100. f. I-37. 25 Jl 1903. 
Loew, 0. The Physiological Role of Mineral Nutrients in Plants. U. 
S. Dept. Agr. Plant Ind. Bull. 45: 1-70. | 18 Jl 1903. 
Maxon, W.R. A Study of Certain Mexican and Guatemalan Species 
of Polypodium. Contr. U. S. Nat. Herb. 8: i-v. 271-280. p/. 6z, 
62. 27 Je 1903. 
Includes descriptions of five new species. 
Merrill, E. D. Aristida purpurea Nutt., and its Allies. U. S. Dept. 
Agr. Agrost. Circ. 34: 1-8. 24 My 1901. 
Merrill, E. D. Some Changes in Nomenclature of Grasses. U. S. 
Dept. Agr. Agrost. Circ. 35: 5, 6. 18 Je 1901. 
Merrill, E.D. Some Species of Grasses Published by S. B. Buckley. 
U. S. Dept. Agr. Agrost. Cir. 35: 1, 2. 18 Je 1901. 
Mez, C. Bromeliaceae Nicaraguenses Novae. Bull. Torrey Club, 30: 
435-437. 4 Au 1903. 
New species in Catofsis, Til/landsia and Guzmania (2). 
Micheli, M. Leguminosae Langlasseanae. Légumineuses récoltées 
dans les états mexicaines de Michoacan et de Guerrero pendant les 
années 1898 et 1899 par Eugéne Langlassé. Mem. Soc. Phys. et 
Hist. Nat. Genéve, 34: 243-294. fl. 7-28. 1903. 
Includes new species in Brongniartia (2), Tephrosia (2), Coursetia (2), Aeschy- 
nomene (3), Desmodium (2), Phaseolus (2), Rhynchosia, Machaerium, Plerocarpus, 
Cercidium, Cassia, Goldmania gen, nov. (2), Mimosa (4), Acacia and Pithecolobium. 
Morss, R.D. Clematis verticil/aris in the Middlesex Fells. Rhodora, 
S: ig2. 7 Ji 1903. 
Murrill, W. A. The Polyporaceae of North America.—V. The 
Genera Cryptoporus, Piptoporus, Scutiger and Porodiscus. Bull. 
Torrey Club, 30: 423-434. 4 Au 1903. 
Includes description of Porodiscus gen. nov., and three new species of Scutiger. 
Nash, G. V. A New AZefris from Florida. Torreya, 3: 101, 102. 
25 Jl 1903. 
A. obovata sp. nov. 
Nash,G.V. A Revision of the Family Fouquieriaceae. Bull. Torrey 
Club, 30: 449-459. 4 Au 1903. : 
Recognizes 2 genera and 7 species, of which 3 in /ouguierta are new. 
Oliver, F.W. The Ovules of the Older Gymnosperms. Ann. Bot. 
17: 451-476. pl. 24+/f. 20. Je 1903. 
Oliver, G. W. The Propagation of the Easter Lily from Seed. U. S. 
Dept. Agr. Plant Ind. Bull. 39: 1-24. p/. 7-7. 24 Je 1903. 
