528 INDEX TO AMERICAN BOTANICAL LITERATURE 
Danforth, C. H. A Resear in Tiarella cordifolia. Rhodora 13: 
102, 193. 1 St 
Deane, W. ete: in Trillium ovatum Pursh. Rhodora 13: 189- 
10%. pf.’ 92. 1 S 1911: 
Duggar, B. M. Physiological plant pathology. Phytopathology 1: 
71-78, 13 fe. 1917. 
Also published in Publ. Bot. Soc. Am. 50: 8-16. Aut 
am, E. M. Polytrichum approaching P. Sinithiae. Bryologist 
£42.90, 9. S 19't. 
Durand, E. J. The differential staining of intercellular mycelium. 
Phytopathology 1: 129, 130. 9 Au 1911. 
Engler, A. Araceae-Lasioideae. Pflanzenreich 47°: 1-130. f. I-44. 
4 Au 1911. 
Among other American plants are included 2 new species in Dracontium. 
Foxworthy, F. W. Philippine gymnosperms. Philip. Jour. Sci. 6: 
(Bot.) 149-177. pl. 26-33. Jl ithe 
Descriptions of 3 new species are i 
Freeman, E. M. Resistance and immunity in plant diseases. Phy- 
topathology 1: 109-115. 9 Au 1911. 
Also published in Publ. Bot. Soc. Am. 50: 17-26. Au IoII. 
Fuller, G. D. Evaporation and plant succession. Bot. Gaz. 52: 193- 
208. Js I-Oi-. 35 S391". 
Harms, H. Eine neue brasilianische Leguminose. Poiretia longipes 
Harms, nov. spec. Repert. Sp. Nov. 9: 439, 440. 15 Au 1911. 
Harshberger, J. W. An hydrometric investigation of the influence 
of sea water on the distribution of salt marsh and estuarine plants. 
Proc. Am. Philos. Soc. 50: 457-496. pl. 20, 21 +f. 1-7. S$ 1911. 
Heald, F.D. Rhizoctonia Medicaginis in America. Phytopathology r: 
104. 13 Je 1911. 
Hedgcock, G.G. Notes on Peridermium cerebrum Peck, and Perider- 
mium Harknessii Moore. Phytopathology 1: 131, 132. 9 Au 19Il. 
Howe, R. H. A correction. Bryologist 14: 91, 92. S$ IQII. 
Relates to ‘‘ Ephebe solida.”’ 
Jensen, C. N., & Stewart, V.B. Anthracnose of Schizanthus. Phyto- 
pathology 1: 120-125. f. 7. 9 Au 191t. 
Describes Colletotrichum Schizanthi sp. nov. 
Johnston, J.R. Is Bacillus Coli ever a plant parasite? Phytopathology 
I: 97-99. 13 Je 1911. 
Karsten, G. Kalifornische Coniferen. Vegetationsbilder 9: pl. I-72. 
IQII. 
Kennedy, P. B. An ancient English oak. Muhlenbergia 7: 71, 72. 
f.12. at Aw fost, 
