250 INDEX TO RECENT LITERATURE 
Pollard, C. L. New American Species of Chamaecrista. Proc. Biol. 
Soc. Washington, 15: 19-21. 18 F. 1902. 
Five species described as new. 
Schaffner, J. H. The Self-pruning of Woody Plants. Ohio Nat. 2: 
171-174. f. z. Ja. tgo2. 
Schrenk, H. von. On the Teaching of Vegetable Pathology. Bull. 
Torrey Club, 29: 57-65. F. 1902. 
Shull, G. H. A quantitative Study of Variation in the Bracts, Rays 
and Disk Florets of Aster Shortii Hook., A. Novae-Anghae L., 
A. puniceus L.., and A. prenanthoides Muhl. from Yellow Springs, 
Ohio. Am. Nat. 36: 111-152. f. z-go. F. 1902. 
Steele, W. C. Fall Fruiting of Osmunda. Fern Bull. 10: 19, 2% 
Ja. 1902. 
Underwood, L. M. The Selaginellae of North America.—I. Fer 
_ Bull. 10: 8-12. Ja. 1902. 
Includes translation of synopsis of North American species of the Sy rupestris group 
recently published by Hieronymus, 
Waters, C. E. A new Form of Aspenium ebenoides. Fern Bull. 10: 
1-4. Ja. 1902. 
Waters,C.E. A new Form of Osmunda cinnamomea. Fern Bull. 10: 
23, ae. 3 e.. S00. 
Wilcox, E. M. Struggle for Existence among Plants. Plant World, 
os a3. “De 1067. 
Wildeman, E. de. Nuttallia cerasiformis Torr. et Gray. Ie. Select. 
Hort. Thenensis, 2: 161. A/. 78. O. Igor. 
Wildeman, E. de. /acodinia polita Hiern. Ic. Select. Hort. Then 
ensis, 2: 165. A/. 79. O. Igor. 
A species from South Brazil. 
Wille, N. Studien iiber Chlorophyceen, I-VII. Vid. Selsk. Skriftet, 
1g00°: 1-46. fl. 1-4. gol. 
Williams, E. F. Some Extensions of Range. Rhodora, 3: 296. D.19°% 
Williams, E. M. Fairy Rings. Plant World, 4: 206, 207- * 
tgor. [I}lust.] 
Williams, R. S. Two new Western Mosses. Bull. Torrey Club, 29 * 
66, 67. p/. g, 5. ¥F. 1902. 
Eurhynchium Taylorae and Brachythecium Pringlei. 
Winton, A.L. The Anatomy of the Fruit of Cocos nucifera. A™- 
Jour. Sci. IV. 12: 265-280. O. tgor.  [Illust.] 
Woolson, G. A. A new Station for Asplenium ebenoides. Ferm Bull. 
9: 89, 90. O. Igor. : 
_ Yates, L.G. The marine Algae of Santa Barbara County, Califormi 
Bull. Santa Barbara Soc. Nat. Hist. 3: 3-20. Ja. 1902. 
