158 Plante Lindheimeriane. 
the apetalous state (340, in Coll. 1847-8) ; the particular 
locality not given. Mr. Wright also gathered it in Texas, 
where it appears to abound.— From the Californium E. ma- 
crophyllum, Hook. & Am. (the leaves of which are often less 
than an inch in diameter,) which it most resembles, this spe- 
cies is distinguished by its smaller flowers, more deeply lobed 
leaves, more slender carpels, and the close cinereous pubes- 
cence of the pedicels and calyx, which are destitute of glan- 
dular hairs. 
OXALIDACE®. 
341. Oxauis vespertiuionis, Torr. & Gr. Fl. 1. p. 679.. 
Prairies, Upper Pierdenales. October. Also gathered in 
Western Texas by Mr. Wright. 
ZYGOPHYLLACEZ. 
342. Kauustremia maxima, Torr. & Gr. Fl. 1. p. 213; 
Gr. Gen. Ill. 2, t. 146. Prostrate in clayey soil, near San 
Antonio. September. 
(582.) Guatacum aneustirotium, Engelm. in Wisliz. Me- 
moir, Appx. p. 113; Gr. Gen. Ill. 2, p. 123 (subgen.? Guar- 
acipium), t. 149. Western Texas, in fruit; the station not 
given. 
RUTACEZ. 
343. Rurosma Texana, Gr. Gen. Ill. 2, p. 148, t. 155. 
Stony prairies, with Cactacee, Upper Guadaloupe. March. 
Also detected by Mr. Wright in Texas, and by Dr. Gregg at 
Monterey. — Remarkable as the sole representative of the 
proper Rutacez in America. 
ANACARDIACEZ. 
344. Ruvs Copanuina, Linn. var. teucantHa, DC.: 
caule 10-pedali; foliis lanceolatis; floribus albis. R. leu- 
cantha, Jacg. Rocky precipices, New Braunfels. July. 
345. R. Copauuina, Linn. var. ranceoLaTA: foliis lanceo- 
latis subfalcatis seepe elongatis integerrimis vel subserratis ; 
