BOTANY. y 



OxALis STRICTA, Liiin.; Torr. Fl. Netv York, l,p. 123. San Luis Obispo and Salinas valley ; 

 December. 



Lareea Mexicana, Moricand; Torr. in Emory's Rep. p. 138, t. 3 ; Gray, Gen. III. 2 p. 119, t. 

 147. Cook's well, west of tbe Colorado, and from thence east to the Rio Grande. May, in 

 flower and fruit. 



Ceanothus divaricatus, Null, in Torr. <& Gray, Fl. l,p. 266. San Diego ; May, in flower. 



Ceanothds spinosus, Nutt. I. c. Santa Inez ; February, in flower. The specimens are 

 scarcely at all spiny. 



Frangula Californica, var. tomentella, Gray, PI. Wright, 2, p. 28. Rhamnus tomentellus, 

 Benth. Fl. Harhv. Puerto del Dado ; in fruit. 



Janusia gracilis, Gray, PL Wrigld, I, p. 37 and 2, p. 30. Burro mountains, New Mexico; 

 August, in flower. By the aid of excellent fruiting specimens, from Dr. Bigelow's collections, 

 we are able to give a good figure of this plant. — (Tab. I.) 



Rhus trilobata, Nutt. in Torr. & Gray, Fl. 1, p. 219. Puerto del Dado. July, in fruit. 



Styphonia integrifolia, Nutt. in Torr. & Gray, Fl. 1, p. 220 ; Nutt. Sylv. 3, p. 4, t. 82. 

 S. serrata, Nutt. I. c. Santa Barbara and Santa Inez. August, in fruit. Both entire and 

 serrate leaves occur on the same specimens.— (Tab. II.) 



ViTis aestivalis, Miclix.; Torr. dc Gray, Fl. 1, p. 244? On the Mimbres. The specimens 

 are without flowers or fruit. The leaves are smaller and less deeply toothed than in the plant 

 of the northern States. 



Ampelopsis quinquefolia, Miclix.; Torr. <& Gray, Fl. 1, p). 245. With the last; also in 

 fruit. August. 



Polygala cucullata, Benth. PI. Hartw. p. 299, No. 1661 ; Torr. & Gray, in Emory's 

 Report, ined. tab. — . P. cornuta, Kellogg, in Proceed. Calif. Acad. N, Sc. 1, p. 62. San 

 Buenaventura ranch ; February. 



Krameria lanceolata, Torr. in Ann. Lye. Nat. Hist. N. York, 2, p. 168, Gray, Gen. III. 2, 

 t. 185 and 186. Sauz valley ; August, in flower. 



Krameria canescens. Gray, PI. Wright, I, p. 42. Desert west of the Colorado; May, flower 

 and fruit. 



Lathyrus venosus, 3Iuhl.; Torr. & Gray, Fl. I, p. 274. Cajon Pass, March. 



Latiiyrus vestitus, Ntdt. in Torr. & Gray, Fl. 1, p. 276. San Gabriel and Santa Inez ; 

 January and February. 



ViciA Oregana, Nutt. in Torr. & Gray, Fl. I. c. V. truncata, Nutt. I. c. San Juan, 

 California; November. 



Dalea spinosa. Gray; PI. Thurb. p. 315. Cariso creek, and on the Colorado river; June. 

 In favorable situations this remarkable species attains the height of 12 or 15 feet. The trunk 

 is sometimes 4 inches in diameter, and the wood is hard and close-grained. The specimens are 

 in full flower, a state in which we have rarely received the plant. The leaves are very 

 deciduous. — (Tab. III.) 



Amorpha fruticosa, Linn.; Torr. & Gray, Fl. 1, p. 304. San Pedro of the Rio Gila; 

 July, flowers and young fruit. A very glabrous form of the plant, with scattered glands on 

 the under side only. Calyx with short obtuse teeth. 



Melilotus parviflorus, Desf.; Tmr. &Gray, Fl. I, p. 321. Los Angeles ; March. Prob- 

 ably introduced from Europe. 



2 V 



