INDEX TO AMERICAN BOTANICAL LITERATURE 125 
Trelease, S. F. Night and day rates of elongation of banana 
leaves. Philipp. Jour. Sci. 23: 85-96. Jl 1923. 
Tupper-Carey, R. M. & Priestley, J. H. The composition of 
e cell-wall at the apical meristem of stem and root. 
Proc. Roy. Soc. B 95: 109-131. 2 Jl 1923. 
Valleau, W. D. Over-summering of leaf rust of cereals in 
Kentucky. Phytopathology 13: 338-340. 28 Jl 1923. 
Victorin, M., Frere. Note sur un arbre nouveau du Quebec— 
le Crataegus Victorinit Sargent. Nat. Canad. 50: 21-23. 
Au 1923. 
Walton, J. On the structure of a middle Cambrian Alga from 
British Columbia (Marpolia spissa Walcott). Proc. 
Cambridge Phil. Soc. Biol. Sci. 1: 59-62. pi. 5 + f. 1. 
Au 1923. 
Weatherby, C. A. The identity of aay or Schwein. 
Mhouora 25: 115, 116. 7 Jt 
Weimer, J. L. & Harter, L. L. iui -ion changes induced 
by species of Rhizopus and by Botrytis cinerea. Jour. 
Agr. Research 25: 155-164. 21 Jl 1923 
Weir, J.R. The genus Chrysomyxa. Mycologia 15: 183-187. 
FF, 20 Jl 1923: 
Williams, R.S. Two undescribed mosses from Mexico. Bryol- 
ogist 26: 33-35. pl. 4. 21 Au 1923. 
New species in Pohlia and Stereophyllum. 
Young, W. J. The formation and degeneration of germ cells 
in the potato. Am. Jour. Bot. 10: 325-335. pl. 25-27 
+- f.. 2, 22%. Je1923- 
Yuncker, T. G. Two new species of Cuscuta from Peru. Bull. 
Torrey Club $0: 277, 278. f. t.. 37 Au to23: 
Cuscuta lucidicarpa and C. rubella, spp. nov. 
Zederbauer, E. Versuche iiber Saisondimorphismus und ver- 
wandte Erscheinungen bei Ackerunkrautern. Osterr. 
Bot. Zeitschr. 72: 223-230. Au 1923. 
Study of Amarantus retroflexus and other plants. 
