PONTHIEVA SALSOLA 
Brittonae Ames, 84 atriplicifola Spreng., 161 
racemosa (Walt,) Mohr, 84, Saltbush, 160 
91 Sand Bunchgrass, 159 
5 ae ; 
PAA aang SARCOBATUS 
PORPHYROSTACH YS vermiculatus (Hook.) Torr., 
pilifera Reichb.f., 186 162 
PRESCOTTIA SAURAUIA, 189,198 
oligantha (Sw.) Lind/., 91 aspera T'urcz., 189,199 
pleristyloides Krinzl., 184 Conzattii Buse., 192,199 
Prostrate Amaranth, 162 Radlkoferi Buse., 199 
speluncicola R. Fh. Schultes,193 
villosa DC., 199 
Saxifragaceae, 163 
Puccoon, 165 
Pulse Family, 163 
Purple Hairgrass, 158 
Rabbit Bush, 167 
REINHARDTIA, 135 
Sarifrage Family, 163 
SCIRPUS 
lacustris auth, Amer., 159 
RHODOCHITON, 129,130 validus Vahl, 159 
volubile Zuce. ex Otto & Dietr., Scrophulariaceae, 129,130,166 
129 
Sedge Family, 159 
RESTREPIA, 141,142,143 
Dayana Reichb.f., 144 
Jilamentosa A, & S., 144 
Lankesteri A. & S., 143 
oe 66 . ~ . 
Lansbergii  Reichb.f.’* sensu 
Seepweed, 161 
SERAPIAS 
flava Sw., 121,122 
Shadscale, 160 
Hook., 144 Shép-eh, 167 
muscifera (Lindl.) Reichb.f., Shis-wa, 161 
143 
shka-ya-no, 192,199 
pilosissima A. & S., 143 sirate. 102 
Shu-bi, 160 
SIGMATOSTALIX 
costaricensis Rolfe, 53,54 
subserrata Schltr., 144 
vanthophthalma Reichb.f., 144 
RIBES 
cereum Dougl., 163 on : 
guatemalensis Schi/tr., 53 
ROLFEA, 109,110,111,112 
elata Zahlbr., 109,119 
Powellii Ames, 111,119 
minax Krédnzl., 56 
potkilostalia Kriinzl., 53,54 
unguiculata C. Schweinf. , 55 
Safflower, 167 Si-waq-bi, 167 
Sal-li, 164 Snakeweed, 168 
[ xxii | 
