530 INDEX TO AMERICAN BOTANICAL LITERATURE 
Schlechter, R. Orchidaceae et criticae.— XXIII, XXIV. Repert. 
Sp. Nov. 9: 428-439. 15 Au IgII. 
Schépf, J. D. Reise durch einige der mittlern und siidlichen Verein- 
igten Nordamerikanischen Staaten nach Ost-Florida und den Bahama 
Inseln unternommen in den Jahren 1783 und 1784. Bull. Lloyd 
Lib. Bot. Pharm. & Mat. Med. 16: (Bot.) 3-39. 1911. 
A translation of extracts, by A. J. Morrison. 
Seaver, F. J. The Hypocreales of North America—IV. Mycologia 
3: 207-230. pl. 53, 54. S 1911. 
Sharp, L.W. The embryo sac of Physostegia. Bot. Gaz. §2: 218-225. 
pl. 6,7. 15 S 1911. 
Shear, C. L. The ascogenous form of the fungus causing dead-arm of 
the grape. Phytopathology 1: 116-119. f. 1-5. 9 Au 1911. 
Small, J. K. Exploration in southern Florida. sper N.Y... Bot. 
Gard, 12: 147-156. f. 26-31. Jl igit. 
Smith, C. P. Notes from northern Utah—III. Muhlenbergia 7: 
61-65. 31 Au IgII. 
Smith, R. W. The tetranucleate embryo sac of Clintonia. Bot. Gaz. 
52: 209-217. pl. 5. -15 S 1911. 
Spaulding, P. The rusts of Tsuga encennk. Phytopathology 1: 
94-96. 13 Je 1911. 
Swingle, D. B., & Morris, H.E. A preliminary report on the effects 
of arsenical compounds upon apple trees. Phytopathology 1: 79-93. 
pl. 10, F9.> 4416-1913: 
Tidestrom, I. Populus virginiana F ouger. Rhodora 13: 195-199. 
Ji dear SO, 
Williams, I.C. The new chestnut bark disease. Science II. 34: 397- 
400. 29S 1911. 
Wilson, P. Report on Cuban exploration. Jour. N. Y. Bot. Gard. 12: 
171-174. Au 1911, 
Wolff, H. Unmbelliferae novae,—l. Repert. Sp. Nov. 9: 417-422. 
15 Au 1911. 
Young, W. J. The Brazil nut. Bot. Gaz. 52: 226-231. pl. 8+f. 1. 
15 S 1911. 
Zeeuw, R. de. The comparative viability of seeds, fungi and bacteria 
when subjected to various chemical agents. Centralb. Bakt. Zweite 
Abt. 317: 4-23. 6S 10911. [Illust. ] 
