10 
BOTANY. 
Medicago denticulata, Willd.; Torr. & Gray, l. c. With the last, and also a naturalized 
plant. 
Hosackia pubeeula, Bentli. PI. Hartw. p. 305 ; Gray PI. Wright, 1, p. 50. Chiricahui 
mountains, New Mexico ; August.—(Tab. IY.) 
Hosackia cytisoides, Bentli.; Torr. & Gray, FI. 1, p. 324. Salinas valley, California; 
November. Foliage only. 
Hosackia scopaeia, Bentli.; Torr. & Gray, FI. 1. p. 325. Kikal Mungo and Warner’s 
ranch ; March to May. 
Hosackia steigosa, Nutt, in Torr. & Gray, FI. 1, p. 326. San Gabriel and Los Angeles; 
March. 
Asteagalus (Phaca) densifolia. Phaca densifolia, J. E. Smith; Torr. & Gray, FI. 1, p. 
344 and 693; Hook. Ic. t. 2 and 3. P. Nuttallii, Torr. & Gray, l. c. San Gabriel and San 
Bernardino; March. 
Homalobus multifloeus, Nutt, in Torr. & Gray, FI. 1, p. 350. Santa Inez. January, 
flower and young fruit. This agrees very well with Nuttall’s specimens, but better with Phaca 
nigrescens, Hook., which we refer to H. multiflora. 
Lupinus hiesutissimus Bentli.; Torr. & Gray, FI. 1, p. 372. San Gabriel and Santa Clara 
valley ; February and March. 
Lupinus oenatus, Dougl.; Torr. & Gray, FI. 1, p. 380. San Juan, California; November. 
A flne shrubby species, well deserving a place in the flower garden. 
Hoffmanseggia steicta, Benth. in Gray, PI. Wright, 1, p. 56. Ojo de Vaca; August. 
Cassia Lindheimeeiana, Sclieele; Gray, PI. Lindheim. 2, p. 179. San Pedro and Burro 
mountains, New Mexico; July and August. In all the specimens the leaves have but three 
pairs of leaflets, and they are smaller than in the ordinary form of the plant. 
Olneya Tesota, Gray, PI. Thurh. p. 328. On diluvial hills of the Colorado river, near Fort 
Yuma ; March. This, according to Mr. Thuber, is the Tesota of the Mexicans, but Mr. Schott 
informs us that its more common name is Arhol de lderro, and that the Acacia Greggii is the 
true Tesota. There is, however, but little dependence to be placed on the common names of 
plants, especially among rude and ignorant people.—(Tab. Y.) 
Acacia Geeggii, Gray, PI. Wright, 1, p. 65. Yallecitas, west of the Colorado ; May, in 
flower ; Burro mountains ; August, in fruit. 
Acacia consteicta, Benth. in Gray, PI. Wright, l. c. On the San Pedro, a tributary of the 
Gila; July. 
Acacia cuspidata, Schlecht.; Gray, PI. Wright, 1, p. 66. San Pedro river, and Chiricahui 
mountains ; July. 
Sxeombocaepa pubescens, Gray, PI. Wright, 1, p. 60. Prosopis (Strombocarpa) pubescens, 
Benth. P. (Strombocarpa) Emoryi, Torr. in Emory's Bep.p. 139. P. odorata, Torr. in Frem. 
2 d Report, p. 313 (the fruit only.) Common along the Gila and about San Felipe, &c., Cali¬ 
fornia. This is the Screwbean or Screw Mesquite. The Sonora Mexicans call it Tornillo. The 
figure in Fremont’s second report is made up of the foliage and flowers of Algarobia glandulosa 
and the fruit of Strombocarpa; an error that arose from a mixing of the specimens in the 
original collections. I have, therefore, in the botany of Williamson’s report, given a new 
figure of this important tree, the fruit of which yields food to man and beast. 
Algaeobia glandulosa, Torr. & Gray, FI. 1, p. 399. Prosopis glandulosa, Torr. in Ann. 
Lye. N. York, 2, p. 192, t. 2. Common along the Gila river. Fine specimens, with pods 9 or 
