INDEX TO AMERICAN BOTANICAL LITERATURE 327 
Rugg, H. G. Osmunda regalis orbiculata. Bull. Vt. Bot. Club 
2:25, 26. Ap 1907. 
Ruggles, B. P. Hartland grasses. Bull. Vt. Bot. Club 2: 345 35: 
Ap 1907. 
Saccardo, P. A. New fungi from New York. Jour. Myc. 13: 45-48. 
30 Ap 1907. _ [Illust.] 
New species in Pleosphaeria, Sphaeropsis (2), Diplodia, Hymenopsis, and Zygo- 
desmus, 
Saunders, C. F. Birds as botanists. Am. Bot. 12: 64. Ap 1907. 
Schaffner, J. H. Development of the forest belts in the northwestern 
part of Clay County, Kansas. Trans. Kansas Acad. Sci. 207; 74— 
79- [Ap] 1907. 
Schlechter, R. Orchidaceae novae et criticae. Decas IX. Repert. 
OV. Sp. 3: 276-280. 31 Ja 1907. 
Includes two new species of Sve/?s and one of Pleurothallis from Costa Rica. 
Schneider, C. K. Conspectus generis Amorphae. Bot. Gaz. 43: 
297-307. 16 My 1907. 
Includes 4. Schwerini sp. nov., from North Carolina. 
Seaver, F. J. Notes on the Discomycete flora of Iowa. Proc. Iowa 
Acad. Sci. 13: 71-74. [Mr] 1907. 
Seely, H. M. About red clover. Bull. Vt. Bot. Club 2: 30, 31. 
AP 1907. 
Shafer, J. A. Report ona visit to the island of Montserrat. Jour. 
N. Y. Bot. Gard. 8: 81-88. Ap 1907. 
Shaw, C. H. Upon the teaching of the subject of respiration. Science 
Il. 25: 627-630. tg Ap 1907. 
Shear, C. L. & Wood, A. K. Ascogenous forms of Glocosporium and 
Colletotrichum, Bot. Gaz. 43: 259-266. 15 Ap 1907. 
Shull, G. H. Elementary species and hybrids of Bursa. Science II. 
25: 590, 591. 12Ap 1907. 
Shull, G. H. Some latent characters of a white bean. Science II. 
25: 828-832. 24 My 1907. 
Smith, E. F. & Townsend, C. 0. A plant-tumor of bacterial origin. 
Science IT, 25: 671-673. 26 Ap 1907. 
Smith, J. D. Enumeratio plantarum guatemalensium, necnon sal- 
vadorensium, hondurensium, nicaraguensium, costaricensium. 8: 
i221, 1907. ; 
Spalding, V. M. Spring flowers of the Arizona desert. Plant World 
10: 63, 64. Mr 1907. 
