BOTANY bi § 
STYLOCLINE MICROPOIDES, Gray, Pl. Wright. 2, p. 84. Riverside mountains, Colorado of 
California; January 25. 
Hywencorka satsoLa, Yorr. & Gray in Bost. Jour. Nat. Hist. 1845, and Pl. Fendl., p. 19; 
Torr. Pl. Frém., t. 8. Fort Yuma to Black Cafion in desert arroyos; February and Mach, 
Scanty dpediniens of this interesting plant, but sufficient to confirm the characters of the species. 
It is said to be a shrub, two to four feet high, with yellow flowers. 
HyMENocLEA monocyra, Torr. & Gray, l.c. Near San Diego, California; November 10. 
Further west than this species was before known to occur. 
FRANSERIA DuUMOSA, Gray in Frém. 2d Rep., p. 316. Desert surfaces along the Colorado; 
Jesup rapids; March 20. 
FRANSERIA DELTOIDEA, Torr. in Pl. Frém., and Bot. Mex. Bound. Surv., p. 81. Long valley 
and Yampai basin; March 24-28. A fragment apparently of this species. There are also 
fragments of another species, the flowers undeveloped—perhaps of F. artemisioides. 
ZINNIA (DIPLOTHRIX) GRANDIFLORA, Nutt.; Gray, Pl. Wright. 1, p. 105. A form with the 
lower leaves more elongated and soft tomentose. Yampai basin; March 29. 
Kyceta Carivornica, Nutt.; Torr. & Gray, Fl. 2, p. 217. San Diego, California; November. 
Spreading, suffruticose, three or four feet high. 
Kgceria nivea, Benth. Bot. Voy. Sulph., p. 27. Mountains and desert places from San Diego 
to the Colorado, Riverside mountain, &c. A variable species, mostly with alternate leaves, 
and probably embracing H. conspersa, Benth., and E. farinosa, Gray. 
Srgpsta (GERGA) CANESCENS, Gray, Pl. Fendl., p. 85, and Bot. Mex. Bound. Surv., p. 89. 
Along the Colorado and eastward. ‘ 
SIRSIA (GERGA) FRUTESCENS, Gray in Bot. Mex. Bound. Surv., p. 89. Jesup rapids; Feb- 
ruary 18. Two of the specimens are furnished with rather large, yellow rays. ‘‘The plant is 
a shrub, three feet high.’’ 
VIGUIERA LACINIATA, Gray, l. c., p. —. Near San Diego, California; in tufts a foot or more 
in height. 
LiptosynE Dove.asu, DC.; Torr. & Gray, Fl. 2, p. 355.  Sitgreaves’s Pass; March 24. 
The (immature) achenia have a thin and broad wing. =» 
PoropoHYyLitum Greco, Gray, Pl. Wright. 1, p. 120, and in Mex. Bound. Surv. vy pv 94, 
Rocky arroyos along the Colorado. 
HyMENoTHERUM (ACIPHYLL@A) ACEROSUM, Gray, Pl. Wright. 1, p. 115. Hay Camp, New 
Mexico; May 27. 
@axrisinoea PINNATIFIDA, Torr. in Ann. Lyc. New York, 2, p. O14, Banks of Little Colorado, ~ 
New Mexico; May 1. 
GAILLARDIA PULCHELLA, Fong.; Torr. & Gray, Fl. 2, p. 366... Rio Grande, near Albu- 
querque, New Mexico. 
PALAFOXIA LINEARIS, Lag.; DC. Prodr. 5, p. 124; Gray in Mees Bound. Survey, p. 94. 
Sand-hills and beaches of the Colorado. A somewhat hispid form of the species. 
HyMENopappus Luteus, Nuitt.; Torr. & Gray, Fl. 2, pe. 373. Banks of Colorado 
Chiquito, &c.; May 3-8. 
CH@NACTIS Maxine, Hook. & Arn.; Torr. & Gray, Fi. 2, p. 311; Gray, Pl. Wright. 2, 
p. 94. Desert arroyos on the Colorado, and eastward into’ New ies: Flowers white. 
Foliage, &c., variable. 
Cua@nactis Doucuasu, Hook. & Arn.; var. ACHILLE@FOLIA. C. achillecefolia, Hook. & 
Arn., &c. Yampai valley; March 27. Flowers white. The two species of Hooker and 
Arnott are evidently to be combined. 
Banta (ERtopHyiium) Lanata, Nutt.; Torr. & Gray, l.c. Long valley; March 26. 
BURRIELLIA (Dicua@ra) LaNnosa, rig’ in Bot. Whippl, p. 107. Sitgreaves’s Pass; March 24, 
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