CONTENTS 
—— — }. Epiphyllous plants of certain regions in Jamaica 
So Pe pb ae Pe a ey ee era ete ss Cea I 
Bunn. ‘Bas ys he penne Carmenere 20 ele ae te ee 5 15 
Muwnz, Parie A., and JoHNston, IvAN M. Miscellaneous notes on 
plants of Sotitheri-Calioraia foo oe ve oe es 31 
Farr, CirpporD H. Quadripartition by furrowing in Sisyrinchium 
(PRC) i er eo els Pee ose vee 51 
ROUND, Epa: Ma Avmodern plant fossil see eo Sees ee ae 63 
Hazen, Tracy E. The phylogeny of the genus Brachiomonas (plates 
Boy a oe ee Pe ea Be 75 
STEVENS, O. A. New records and other notes on North Dakota plants. 93 
YuncKER, T. G. Three new species of Cuscuta from Mexico......... 107 
Hazen, Tracy E, New British and American species of Lobomonas: a 
study in morphogenesis of motile algae (plates 5, 6).............. 123 
ANDERSON, FLora. The development of the flower and embryogeny of 
: Marttyaia louisiana (plates 7,8) c6e0 ss a ed es 141 
OvERHOLTs,*-L. O. Mycological notes for 1920 (plate 9).............- 163 
GrarF, Pau W. shake maha plants from Glacier National Park...... 175 
OsTERHOUT, GEO. E. Two new plants from Colorado................ 183 
ARTHUR, JOSEPH CHARLES. peta species of Uredineae—XIV......... 189 
SMITH, CHARLES Piper. Studies in the genus Lupinus—VII.  L. suc- 
CUIGHEe a BVetas oo ae i kk ee oe 197 
Howe, Marswatt A., and Hoxiicx, ArtHuR. A new American fossil 
aU See ee ey evs bee Guill es oo arc ee aoe 207 
CocKkERELL, T. D. A. A new genus of fossil Liliaceae..............-+- 211 
Grarr, PauL W. Philippine Basidiomycetes—V.................-+- 223 
DospaLL, LourisE. Occurrence of the pyncial stage of Puccinia Taraxaci 235 
BARTRAM, Epwin B. Midwinter botanizing in southern Arizona...... 237 
Britton, N. L., and Ross, J. N. Two new genera of Cactaceae...... 251 
Ruspy, H. H. New species of trees of medical interest from Bolivia... 259 
AsHE, W. W. Notes on trees and shrubs of the southeastern United 
ies p C. Commelinantia, a new genus of Commelinaceae (plates 
Oo ei eek ON Rad be ne ee Uaik epee Ue ee oh Ge es 269 
ae W. W. The genus Costus in Central America (plates 12-15).. 283 
SHIMEK, B. Quercus Lge m Jowd’ (plates 16, 17) 2000. eset as 293 
PORTERPIELD, W. M., References to the algae in the Chinese classics. 297 
Dopce, B.O. A Flam with a botryose conidial stage............. 301 
ili 
