INDEX TO RECENT LITERATURE 565 
Chodat, R. & Hassler, E. Plantae Hasslerianae soit énumération des 
plantes récoltées au Paraguay. Bull. Herb. Boissier, II. 3: 387- 
421. 30 Ap 1903; 538-552. 3 Je 1903; 612-641. 30 Je 1903. 
New species in Gomphrena (3), Zresine (2), Triplaris, Lacistema, Piper (7), 
Peperomia (4), Begonia (2), Guarea (6), Trichilia (4), Cabralea, Cedrela, Microtea 
(2), Rhamnidium, Cissus, Jacaratia, Schultesia and Vernonia. 
Coker, W.C. The Woody Plants of Chapel Hill, N. C. Jour. Elisha 
Mitchell Sci. Soc. 19: 42-49. 1903. 
Collins, F.S. Notes on Algae, —V. Rhodora,§: 204-212. 3 Au 
1903. 
Collins, J. F. Some Notes on Mosses, with Extensions of Range. 
Rhodora, §: 199-201. 3 Au 1903. 
Cook, M. T. Polyembryony in Ginkgo. Bot. Gaz. 36: 142. 15 Au 
1903. 
Cook, 0. F. Evolution, Cytology and Mendel’s Laws. Pop. Sci. Mo. 
63: 219-228. Jl 1903. 
Cushman, J. A. Desmids from Bronx Park, New York. Bull. Torrey 
Club, 30: 513, 514. 3S 1903. 
Eames, E.H. The Dwarf Mistletoe in Connecticut. Rhodora, 5: 
202. 3Au 1903. 
Earle, F. S. A Key to the North American Species of Pluteowus. 
Torreya, 3: 124, 125. 22 Au 1903. 
Eastwood, A. New Species of Western Plants. Bull. Torrey Club, 
30: 483-502. f. 3 S 1903. 
New species in Z. ygadenus, Allium, Fritillaria, Iris, Chorizanthe, Spraguea, Silene, 
Eschscholtsia (2), Aradis, Cleomella, Wislizenia, Lathyrus, Clarkia, Scutellaria (3), 
Fraxinus, Convolvulus, Sphacele, Monardella, Lappula, Symphoricarpos (4), Bchino- 
eystis, Nemacladus, Agoseris and Crepis. 
Emberson, F.C. The Trees of Montreal Island. Can. Rec. Sci. 9: 
78-83. My 1903. 
Endlich, R. Zur Kenntnis der Holzgewichse des Parana-Paraguay- 
stromgebiets. Notizbl. Kénigl. Bot. Gart. Berlin, 4: 1-46. 10 Jl 
1g03. 
Engler, A. Die pflanzengeographische Gliederung Nordamerikas. 
Notizbl. Kénigl. Bot. Gart. Berlin, App. 9: i-iv. 1-94. plan. map. 
15 My 1go2. 
Fernald, M.L. The American Representatives of Luzuda vernalts. 
Rhodora, 5 : 194-196. 3 Au 1903. 
Includes description of Z. saltuensts sp. nov. 
