INDEX TO AMERICAN BOTANICAL LITERATURE 279 
Newcombe, F. C. Response of sensitive stigmas to unusual 
stimuli. Michigan Acad. Sci. Rep. 22: 145, 146. Au 1921. 
Patouillard, N. Une nouvelle lepiote du Bresil (Lepiota Putte- 
maneit). Bull. Trimest. Soc. Mycol. 37: 81-83. 20 Jl 1921. 
Pemberton, C.C. Some notes of the growth of Arbutus Menziesii 
Pursh. Canad. Field-Nat. 36: 21-26. f. 1-4. F 1922. 
Petry, E. J. Germination and growth of Ceanothus americanus 
as affected by heated soils. Michigan Acad. Sci. Rep. 22: 
135-143. pl. 13, 14.. Au 1921. 
Pfeiffer, H. Conspectus Cyperacearum in America meridionali 
nascentium. I. Genus Heleocharis R. Br. Herbarium 1921: 
65-69. 1921. 
Praeger, R. L. An account of the genus Sedum as found in 
cultivation. Jour. Roy. Hort. Soc. 46: 1-314. f. 1-85. 6 Je 
1921 
Reinking, O. A. Higher Basidiomycetes from the Philippines 
and their hosts, V. Philipp. Jour. Sci. 69: 91-114. ji 1921. 
Renner, O. Heterogamie im weiblichen Geschlecht und Em- 
bryosackentwicklung bei dem Onotheren. Zeitschr. Bot. 
13° 006-021. - 7. 2-$. .. 1021: 
Rhoads, A. S. Some new or little known hosts for wood-des- 
troying fungi. III. Phytopathology 11: 319-326. Au 1921. 
Ridlon, H. C. A new eee from Vermont. Am. Fern 
Jour. 11: 46-48. pl. 7 a: 
Polypodium vulgare f. anager 
Rodway, J. Fauna and flora [of Guiana]. In Rodway, J., 
Guiana 237-248. London. 1912. 
Rudolph, B. A., & Franklin, H. J. Studies of cranberries during 
storage. Fungi studies. Massachusetts Agr. Coll. Bull. 
198: 88-92. f. I, 2. 1920. 
Safford, W. C. Cultivated plants of Polynesia and their vern- 
acular names, an index to the origin and migration of the 
Polynesiana. Proc. Pan-Pacific Sci. Confer. 1: 183-187. 1921. 
