250 INDEX TO AMERICAN BOTANICAL LITERATURE 
Rusby, H.H. Two new species of edible fruits from Mexico. Bull. 
Torrey Club 38: 145, 146. 7 Ap t1og11. 
Mayepea macrocarpa Rusby and Morus mollis Rusby described. ; 
Saunders, C. F. The Yucca and the Indian. Am. Bot. 17: 1-3. 
F 1gtt. 
Schaffner, J. H. The classification of plants—VI. Ohio Nat. 11: 
289-298. f. z. 10 Mr Iogrtt. 
Schneider, E. C. The succession of plant life on the gravel slides in 
the vicinity of Pike’s Peak. Colorado College Publ. 12: 289-311. 
f..1-6. F rort. 
Seaver, F. J. Studiesin Coloradofungi—I. Discomycetes. Mycologia 
3: 57-66. -Mr tort. 
Ascobolus xylophilus Seaver and Godronia Betheli Seaver described. 
Shreve, F. Studies on Jamaican Hymenophyllaceae. Bot. Gaz. 51: 
184-209. f. 1-8. 15 Mr 1911. 
Shull, G. H. The genotypes of maize. Am. Nat. 48: 234-252. J. 1: 
Ap I9gII. 
Speer, J. M. Notes on Funaria hygrometrica. Bot. Gaz. 51: 225-227.° 
fi F-55115 Mr 1611. 
Stewart, A. Expedition of the California Academy of Sciences to the 
Galapagos Islands, 1905-1906. II. A Botanical Survey of the 
Galapagos Islands. Proc. Calif. Acad. Sci. IV. 1: 7-288. pl. I-19. 
20 Ja 1911. 
Stone,G.E. The clogging of drain tile by roots. Torreya II: 
S555. f..2. 28 Me Tots. 
Sydow, P. & H. Monographia i kos seu seoeabiicen omnium 
ad hunc usque diem cognitarum descriptio et 
2: ili-xix+145-396. 21 D roto. : 
Includes Uromyces Arthuri Syd. sp. nov. 
Twiss, W. C. Erythrophyllum delesserioides J. Ag. Univ. California 
Publ. Bot. 4: 159-176. pp). 21-24. 8 Mr IQII. 
Weingart, W. Cereus pasacana Weber. Monats. Kakteenk. 21: 
27, 28. 15 F 1941. 
Z 
Williams, E. F. Notes from my herbarium. Rhodora 533i 7ix. * 
Ap IgIt. 
Woodward, R.W. Observations on some plants of eastern Connecticut. 
Rhodora 13: 68-70. 1 Ap ror1t. 
