138 . Ex. Doc. No. 41. 



late in the autumn, with staminate aments nearly matured for the 

 following spring. ■ The whole plant is clothed with a dense velvety 

 pubescence- It is, perhaps^ a distinct species from R, trilohaia. 



. MALVACE^. 



Malva Munroanfi, Dough High sandy plains; and in the valley 

 of the Gila. Flowers bright rose color. 



M. pedata, Torr, and Gr. Upper part of the Arkansas. 



SphcTralcea stellata, Torr. and Gr. Near Santa Fe, &c. High- 

 lands between the del Norte and the Gila. 



Sida coccinea, BC, On the Raton mountain. Several other un- 

 determined Malvacese occur in the collection. 



SAPINDACE.E. 



Sapindus marginatus, {soap berry,^ Valley of the Gila. 



RHAMNACE^. 



I 



Ceanothus ovalis, .6., Torr. and Gr. On the Arkansas. A small 

 _ scrubby species of this genus was found on the Cordilleras of Cal- 

 iforniay towards San Diego. It has thorny branches, small ovate 

 coriaceous, smooth entire leaves, which are supported on short pe- 

 tioles. The branches are glabrous and glaucous. There were 

 neither flowers nor fruit on the specimen. 



C ovalis, var, intermedias, Torr. and Gr. On the Arkansas. 



4 



LEGUMINOS^. 



'Sesbania macrocarpa, Muhl. On the Gila. In fruit November 

 20. . , 



Glycyrrhiza lepidota, Mutt. Near Santa Fe. Not found m 

 flowers. . 



Psoralea esculenta, Pwr^A. (Pomme de Prairie.) On the Af 



kansas. ' 



■ - * 



P. Horibunda, J^utt. With the preceding. 



Ambrpha fruticosa, Linn. On the Gila. The specimens were 

 without flower and fruit, and we therefore cannot be certain oi 

 species 



Dalea formosa, Torr. in Ann.^ lyc.^ Jf. Yorkj 2. p. 178. 



This 



beautiful species was first detected by Dr. James in Long's firste- 

 pedition. It is a shrub about three feet high, with numerous 

 crooked branches, and purplish flowers. Near Santa Fe, and va 

 ley of the Del Norte. 



D. alopecuroides, Willd. With the preceding. 

 D. laxiflora, Pursh. Valley of the Arkansas. ,, 



Besides these dalese, there were two other'species, bothshrubojj 

 in the collection; but I have not ascertained whether they cft^j^ 

 not be already described- One of them is densely branched; 

 leaflets are in six to seven pairs, broadly obovate connate abo 



