INDEX TO RECENT LITERATURE 531 
Kellerman, W. A. A new Species of Rhyttsma. Jour. Mycol. 8: 
5°, 51. p/. z. Je. 1902. 
R. concavum on Ilex verticillata. 
Kirkwood, J. E. & Gies, W. J. Chemical Studies of the Cocoanut 
with some Notes on the Changes during Germination. Bull. Torrey 
Club, 29: 321-359. p/. 79 +f. 1-5. 20 Je. 1902. 
Leavitt, R. G. Subterranean Plants of Zpiphegus. Bot. Gaz. 33: 
376. f. 15 My. 1902. ; 
Leavitt, R. G. Subterranean Plants of Epiphegus. Plant World, 5: 
114. Je. 1902. 
Lloyd, F.E. An interesting Irregularity in a Rose Flower. Torreya, 
2: 90, 91. 12 Je. Igo2. 
MacDougal, D. T. Effect of Lightning on Trees. Jour. N. Y. Bot. 
Garden, 3: 131-135. 22. Jl. 1902. 
MacDougal, D. T. The Origin of Species by Mutation. Torreya, 2: 
65-68. 14 My. 1902; 81-84. 12 Je. 1902; 97-101. 1 Jl. 1902. 
MacDougal, D. T. The Temperature of the Soil. Jour. N. Y. Bot. 
Garden, 3: 125-131. f. 19-27. Jl. 1902. 
M[asters], M.T. Passiflora actinia. Gard. Chron. III. 32: 15. f 
6. 12 Jl. rgoz. 
Meehan, T. Rhamnus Carolinianus. Meehan’s Monthly, 12: 85, 86. 
Bl. 6. Je. 1902. 
Merrill, E. D. Notes on North American Grasses. Rhodora, 4: 
142-147. Jl. 1g02. 
New combinations and species in Deschampsia, Poa, Panicularia (2), Bromus, and 
Elymus, 
Merrill, E.D. The North American Species of Spartina. Bull. U. 
S. Dept. Agric. (Plant Industry), 9: 1-16. I9go02. 
Includes S. Bakeri Sp. nov. . 
Morgan, A. P. Morchellae—The Morels. Jour. Mycol. 8: 49, 50. 
Je 1go2. 
Morris, E.L. ‘*Occasional’’ Leaves of 7ri/iium. Plant World, 5: 
92, 93. pl. 737. My. 1902. 
Nelson, A. Contributions from the Rocky Mountain Herbarium, III. 
Bot. Gaz. 34: 21-35. 16 Jl. 1902. 
Includes new species in Eriogonum (5), Malvastrum (3), Cerasus, Gentiana (2), 
Phacetia, Gilia (2), Lappula (3), Cryptanthe (2), Oreocarya, Mimulus (2), Pent- 
Semon, Synthyris (2) and Gaertneria (2). 
Nelson, A. New Plants from Wyoming, XIV. Bull. Torrey Club, 
29: 400-406. 20 Je. 1902. 
New species and varieties in Eriophorum, Hemicarpha, Trifolium, Mertensia (4), 
Castilleja, Plantago, and Helianthus, 
