BOTANY. 1 7 



Ipomaea Nil, i?o<A ; Pharbitis Nil, Glioisy in DC. Prodr. ^,p. 343. On the Organ moun- 

 tains, New Mexico ; August. 



Calysteqia SBPIUM, 7?. Broiun; Clioisy in DC. Prodr. 9,^. 433. Santa Barbara ; February. 

 With much smaller leaves and flowers than usual. 



EvoLVULCS ARQENTEUS, Pursli, Fl. 1, p. 187. Nutt. Gen. 1, p. 174. E. pilosus, Nult. in 

 Trans. Amer. Phil. Soc. (n. ser.) 5, p. 194. Ojo de Vaca ; August. 



Nama biflora, Clioisy in DC. Prodr. 10, p. 183., var. ? spathulata: annual, erect when 

 young, but finally prostrate or diffuse, pubescent ; leaves linear or oblong, spatulate, obtuse ; 

 flowers solitary in the axils, or 2 — 3 together in terminal leafy racemes ; sepals spatulate- 

 linear ; corolla nearly twice as long as the calyx. N. Jamaicensis ? Engelm. and Gray, PI. 

 Lindh. 1, p. 183. On the Gila river ; June. A common plant in New Mexico and in south- 

 ern California. It is variable in the breadth of the leaves, and is probably distinct from N. 

 Jamaicensis. N. undulata, H. B. K., grows in New Mexico, unless what I have so called may 

 be only another form of this species. 



GiLiA TRICOLOR, Bentli. in Bot. Beg. sub 'No. 1622. Los Angeles; March. A small early 

 form. 



GiLiA MicRANTHA, var. AUREA, Bentli. PI. Hariiu.,p. 325. G. aurea, Nutt. PI. Gamh.,p>. 155, 

 t. 22 ? Santa Clara to Los Angeles ; March. 



GiLiA LONGIFLORA, Don.; Torr. in Sitgreave's Rep., p. 165, t. 7. Cantua longiflora, Torr. in 

 Am. Lye. N. York, 2, p. 221. Los Playas and Sauz valley ; August. 



GiLiA INCONSPICUA, Dougl. in Bot. Mag., t. 2883. Between Santa Clara and Los Angeles; 

 February and March. 



GiLiA DENsiFOLiA, Bentli. in DC. Prodr. 9, x>. 311. San Felipe and Cariso creek ; May — June. 



GiLiA DiANTHOiDES, Endl. Atakt., t. 29; Bentli. I. c. Santa Barbara, Los Angeles, &c.; 

 March. Taller than usual. 



GiLiA ANDROSACEA, Steudel, Nomencl. ; Bentli. I. c, Warner's ranch ; May. Calyx yellow, 

 Corolla pale lilac. 



GiLiA Californica, Bentli. in DC. Prodr. 9, p. 316. Leptodactylon Californicum, Hook. 

 & Am. Bot. Beechey, p. 369, t. 89. Santa Inez Mission and Santa Clara valley ; February. 

 A shrubby species, sometimes attaining the height of four or five feet. 



Navarretia squarrosa. Hook, and Am. I. c. ; Bentli. I. c. var. diffusa: Stems diffusely branch- 

 ing ; cells of the capsule 7-8 seeded. Salinas valley ; November. 



Solanum umbelliferum, Eschsch. Mem. Acad. St. Petersb. 10, p. 281 ; Dunal in DC. 13, 

 pars l,p. 93. S. genistoides, Dunal, I. c.? San Jose valley ; November. 



S. umbelliferum, var. glabrescens: nearly glabrous ; leaves oblong-lanceolate, acute or attenu- 

 ate at the base. Santa Inez ; also between San Bernardino and San Gabriel ; January. 



S. umbelliferum, var. incanum : hoary-pubescent ; leaves oblong, small, (6-10 lines long,) 

 entire. S. Californicum, Dunal, I. c. ? Head-waters of San Antonio river, California ; 

 December. Berry the size of a small musket ball, black when dry. 



S. umbelliferum, var. trachycladum : branches angular and somewhat winged, the angles 

 denticulate-scabrous, otherwise smooth ; leaves ovate, smoothish, repandly toothed, abruptly 

 narrowed to a petiole at the base ; racemes on long peduncles, somewhat umbellate ; calyx 5-cleft 

 to the middle, the segments semiovate and rather acute. Santa Inez and San Buenaventura 

 ranch ; February. Stem shrubby, 2-3 feet long, apparently prostrate, fistular. Leaves l|-2 

 inches long, exclusive of the petiole, which is about half the length of the lamina, nearly 

 3 V 



