BOTANY. 
17 
Ipomaea Nil, Roth; Pharbitis Nil, Choisy in DC. Prodr. 9, p. 343. On the Organ moun¬ 
tains, New Mexico; August. 
Calystegia SEPiuM,'i2. Brown; Choisy in DC. Prodr . 9, p. 433. Santa Barbara ; February. 
With much smaller leaves and flowers than usual. 
Evolvulus argenteus, Pursh, FI. 1, p. 187. Nutt. Gen. 1, p. 174. E. pilosus, Nutt, in 
Trans. Amer. Phil. Soc. (n. ser.) 5 , p. 194. Ojo de Yaca; August. 
Nama bielora, Choisy 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, Benth. in Bot. Reg. sub No. 1622. Los Angeles ; March. A small early 
form. 
Gilia micrantha, var. aurea, Benth. PI. Hartw.,p. 325. .G. aurea, Nutt. PI. Gamb.,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, Benth. in DC. Prodr. 9, p. 311. San Felipe and Cariso creek; May—June. 
Gilia dianthoides, Endl. Atakt., t. 29; Benth. 1. c. Santa Barbara, Los Angeles, &c.; 
March. Taller than usual. 
Gilia androsacea, Steudel, Nomencl.; Benth. 1. c. Warner’s ranch; May. Calyx yellow, 
Corolla pale lilac. 
Gilia Californica, Benth. 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. 1. c. ; Benth. 1. c. var. diffusa: Stems diffusely branch¬ 
ing ; cells of the capsule 7-8 seeded. Salinas valley ; November. 
Solanum umbelliferum, Esclisch. Mem. Acad. St. Petersb. 10, p. 281 ; Dunal in DC. 13, 
pars 1 ,p. 93. S. genistoides, Dunal, l. cj 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, l. 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 1^-2 
inches long, exclusive of the petiole, which is about half the length of the lamina, nearly 
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