486 INDEX TO RECENT LITERATURE 
Stone, W. Viola renifolia in the Pennsylvanian Alleghanies. ‘Torreya, 
2: 75- 14 My. 1902. 
Svedelius, N. Algen aus den Landern der Magellansstrasse und West- 
patagonien.—I. Chlorophyceae. Svenska Exped. Magellanslan- 
derna, 3: 283-316. p/. 16-78. 19g00. 
Includes two new species: Codium dimorphum and Siphonocladus brachyartrus. 
Tullsen, H. Is the Giant Cactus Doomed? Plant World, 5: 53- 
Mr. 1902. 
True, R. H. Sun Prints in Bryology. Bryologist, 5: 37, 38- p/ 4 
+f. A. My. 1902. 
Walker, E. Root Rot [of the Apple]. Bull. Ark. Agric. Exp. Sta. 
71: 29-32. 1902. 
Waters, C. E. An analytical Key for the Ferns of the Northeastern 
States, based on the Stipes. Johns Hopkins Univ. Circ. 21: 83-85. 
Je. 1902. 
Webber, H. J. The Botanical Society of Washington. Science, I. 
15: 895-898. 6 Je. 1go2. 
Includes list of members. 
Williams, R.S. A Preliminary list of Montana Mosses. Bull. N. Y. 
Bot. Garden, 2: 351-380. p/. 34-79. Ap. 1902. 
New species in Dicranum and Barbuda. 
Woods, A. F. Observations on the Mosaic Disease of Tobacco. Bull, 
U. S. Dep. Agric. (Plant Ind.). 18: 7-24. pl. 7-6. 15 My. 199?. 
Yendo, K. Corallinae verae of Port Renfrew. Minn. Bot. Studies 
2: 711-722. pl. 51-56. 1902. 
New species in Cheilosporum and Corallina (2). 
