129 The West American Scientist.—X. . 130 
RIOGONUM ARBORESCENS Greene. 
ERIOGONU 'M BAILEY! aay Watson. 
ERIOGONUM BRACHYPODUM T. & G. 
ERIOGONUM CI REUM Benth. 
ERIOGONUM CRENULATUM Parry. 
ERIOGONU hi DESERT! c ea 8. W ats; 
“Appare an annual of t ). Pusil 
lum group % and foliage unknown) 
tall, sever times omously 
branched, ite-tomentose, ming 
n e 
ing, turbinate-campanu 1 Pb 
perianth villous, the ietinal segm 
with greenish or reddish m dveins, ee i “i 
‘ong. the southwestern art 
the Colorado desert, San Diego oo. cau 
i4--O..R. ,ORrcut nove. 1800 ts 
2189)."—S. Watson, Proc 
xxvi. 125-6 (July 31, 1891). 
ERIOGONUM ELONGATUM Benth. 
ERIOGONUM FASCICULATUM Benth. 
ERIOGONU M ee oe Watson. 
vimine up: pain 
Pro Acad., Xx. 371-2 (Feb. 21, 1885). 
Gantiiion “Lower California (Paimer, 1875; 
Orcutt. 1882). 
ERIOGONUM GIGANTEUM - Watson, 
eerie st M GRACILE Ben 
ERIOGONUM INFLATUM Tort. 
veer ee IM MINUT 
: : a . > 
cles filiform, divericately spreading: a8” 
Plish; perianth yv., minut 
very small.’’—S. Watson, Dine. paiberutent 
xxvi 16 July 31, 1891). Colo rae aa mary 
pi Diego Co., California (Orcutt, April, 
Pataccee NUDUM 
oe ee ae inre Cu NEE 8 Ss. Makes 
rmann 
sh t herbaen eous leaf stem . 
sii and the 
fi sub 
: greenish yhite By ar 
the oblong-o obueate lobes vat the 2 A 
’ Aa ae i> 8. tson, Pro 
Acad., P 371 (Feb. Me 1835). Sh hrub, 3 
- oC ‘antilians Canyon, Lower California 
(H. C. and C. R. Orcutt, August, 1883). 
‘ into 6 
arbor pac LMERI 8S. Watson 
IOGONU)D PARVIFOLIU ™M Smith, 
ERIOGONUM PLU MATELI Hy. 
RIOGONUM PONDII 
M ve E Toi 
M SAXATILE S. Watson. 
ERIOGONUM Raa Naish nth. 
ERIOGONUM THOMASII 
ERIOGONUM THURBERI Torr. 
“Sandy ravines, San ee Calif., 
My; Thurber. * * Wallac Leaves ina 
subradical cluster, about "ade undu- 
late-rugose pubescent above. wh'te to- 
mentose underneath. Stem a scape 
about a span high, trichotomously  sub- 
divided below the middle, with ovate a- 
cute ternate bracts at the forks Pedi- 
cels 1’ long olucre less than a line 
n diameter, sia neatly to the middle 
rather obtuse lobes; exterior seg- 
ments of the peat seer four times 
broader than the in Filaments & o- 
vary smooth. Sie ae Achenium 
smooth. Embryo strongly curved. No 
bracteoles were detected; in their place 
re only woolly hairs.”’ * * * © 
pouteiery 176-7 Or j; da 14 
ERIOGGONUM NODOSUM small. 
“A white-tomentose shrub, .5-1.5 me- 
ters tall, with spreading, ae branch- 
Leaves small, 2-6 mm. long; blades 
eli ptic or elliptie-ovate, acutish, revo- 
Jute, narrow tie into short petioles: bracts. 
scale-like, acute or acuminate: involucres 
turbinate-c Sapa 25 . long, 
angled, sessile: segments broad, much 
shorter than the tube; calices glabrous, 
pink, 3mm. long; segments rounded at 
villous below the middle: ue 3-an- 
gled, scabro-pubescent above the mid- 
dle.’”—Small, Bull. Torr. club, xxv, 49. 
Ja 25 1898. 
ERIOGONUM TRICHOPODUM Torr. 
ERIOGONUM UMBELLATUM Torr. 
ERIOGONUM VIMINEUM Dougl 
ERIOGONUM WRIGHTIIL Torr. 
Genus CHORIZANTHE R. Brown. 
‘ 
i ee 
