570 INDEX 
ian anosbawp sri 226 | palmata, 3; hastata, 191-193, 197; 
95 | hastata glaberrima, 192; irsutula, 1925 
Trisetn subspicatum, 239 incognita, ; ine ta eid 28; 
Troximon, 16, 18; arachnoideum, 18, 21; insignis, 6; la bra dorica, 195; | i eee 
arizonicum, 195 aurantiacum, 19, 237; 7;Lan gicicii, 1; Langloisii cedetishe, 
Z aes cg bea | it , 192; multicaulis, 196; ceicits. 
dasycephalum, 17; glaucum laciniatum, 196; pallens, 7; palmata, 3, 7; pedata, 
18, 21; graci , 18, 19; gracilens 6, 9; pedatifida, 6, 7, 9; Porteriana, 4, 
Greenei, 19; grandiflorum, 18, 20, 21; 5; primulifolia, 5, 7; primulifolia 
grandiflorum laciniatum, 21; grandi- australis, 7; primulifolia villosa, 7; 
flo ifolium, E ; ndi pubescens, I, 19 ; punc 195, 
florum tenuifolium, 20, 21; laciniatum, 196; Rafinesquii, 197; renifolia, 7, 8; 
17, 18, 20; montanum, 20; pumilum, 17; repens, 195; rostrata, 196, 197; rotundi- 
purpureum, 18, 19; roseum, 17; vil- olia, 195; sagittata, 214 Ss Fe TOA; 
losum, 1 sagittata emarginata, 5; briuscula, 
peal see ioe cruentum, 516 T, 194; septemloba, 5-7, 9; sororia, 195; 
Two new species of edible fruits from striata, 192-194, 196, 197; tenuipes, 
Mexic I4. 1933 aes 191, 192, 197; tripartita 
Two new ; apeaies of Opuntia, 141 glaberr 192-194, 1097; uliginosa, 
195; eu: 27s willosay a). .2,- 192+ 
Ulmus sp., 227 vittata, 7; ag 192, 196, I 
Ulva decorticata, 494; fasciata, 490; | Vitis rotundifolia, 516 
Lactuca, 400; Lactuca rigida, 490;| Vittaria, 154-190; elongata, 189; Gard- 
neri 
Linza, — rigida, 490 ana, 166; intramarginalis, 165, 170, 
Umbilicaria hyperborea, 291; Muhlen- 176, 178, 180, 187, 189, 190; lineata, 
bergii alpina, . pustulata, 291 165, 166, 177, 178; minima, 164-166, 
Umbilicariaceae 188; minor, 165; Orbignyana, 166; 
Upon assim Giilation of atmospheric nitro- pusilla, 165; remota, 163, 166, 176— 
gen oheip nce = 178, 180, 183, 187-190, 2753; scolo- 
Urceolaria sc pendrina, 189; scabrida, 188; sikki- 
Uredineae, New s soatieg jek 369 mensis, 164, 178-180, 189; stipitata, 
Uromyces aemulus, 373, 375; agnatus 166, 188 
378; ambiguus, 374, 376; aterri ints, hime ets — 15 genera, 158; general 
ner: 
76; nsiderations, 182; onto Bert, te 
Hordei, 377; Houstoniatus, 376; Ja- of ieee pluris ane genera. of, 167; 
trophae, ae major, 377; minimus, o ribal characters, 155 
mysticus, 377; oaxacanus, 378; i- Vitareae their external morphology, 
qnpeHia 376; probus, 376; Re gio enation, and ern g e The genera 
376; fear sae 376 a the fern tribe, 1 
Usnea plic | 
Catindbbae sd WESTER 
tributions to th 
P. J. 
Bireory and Ha Paar of the els 
Vaccinium vacillans, 433 
540 
Vaccinioideae, Wddviancoaies subtilis, 421, 422 
sath i WILLiaMs, R.S. Panam es 
9 WIrson, 'p. Notes on Ruta : 
vee onica alpina, 239, 240 Species characters in Ptelea and 
Viburnum, 339 Taravalia, 295 
Viola affinis, 1, 2; amorphophylla, 3, 4; Wooprurn, W. 
arvensis 107, 198; asarifolia, 195; embryo sac 
bergen 7-95 Brainerdii, § 8; Brittoniana, seedless persimm 
» 9; canadensis, 1, 191, 194, th Woodsia ilvensis, “i oF Aa 73 
pert acin, a clandestina, 195; ¢ 
c 
Li ee of the 
ra io osperm some 
s lata, 2,3; ees Yukon region, List of lichens collected 
cucullata x fda cextope 3, 4; debilis, in the, 287 
5 ‘ks Zizania era 227, 220 
Zizia cordata, 
| Zygadenus Ga. 230 : 
ocarpa, 194, 197; esculenta, 2, 
rans ev 2-5, 7, 194; fimbriatula x 
