238 SOLAXACE^. Lycium. 



* # Indigenous, southern and -western : berries red or reddish (one species excepted), globular, 

 •t— Large-flowered : f unnelform corolla nearly an inch long. 

 L. pallidum, Miers. Glabrous : stems and branches widely spreading, 2 to 4 feet high, 

 spiny : leaves pale, spatulate and oblanceolate, an inch or two long : pedicels about 

 equalling the deeply 5<left calyx : corolla greenish, tinged with purple ; the lobes broad 

 and rounded: filaments exserted : anthers tipped with a deciduous point. — 111. 1. c. 108, 

 t. 67; Torr. Bot. Mex. Bound. 16i; Gray, Proc. Am. Acad. vi. 45. — New Mexico and Ari- 

 zona : also S. Utah, Fremont, Fendler, &c. 



+- -t— Large calyx, with lobes commonly longer than or equalling the tube, follaceous and obtuse : 

 corolla half inch long or less : stamens included : herbage puberulent. 



++ Flowers 4-merous. 

 L. Palmeri, Gray. Apparently unarmed, with slender branches : leaves narrowly spat- 

 ulate : flowers short-pedicelled, 4 or 5 lines long : calyx-lobes lanceolate, equalling the 

 oblong-campanulate tube of the corolla, wliich is little longer than its oval lobes. — Proc. 

 Am. Acad. viii. 292. — Yaqui River, W. Sonora, Mexico, added because it may reach 

 Arizona. 



■s-f- •*-!■ Flowers 5-merous : corolla-lobes ovate, short, recurved-spreading. 

 L. Cooperi, Gray. Branches stout, and with some very short spines; leaves spatulate, 

 minutely viscid-pubescent or puberulent, half inch or more in length : pedicels at least 

 equalling the cylindraceous at length campanulate calyx, both hirsute or pubescent ; the 

 oblong-lobes of the latter more or less shorter than the tube : corolla narrowly funnelform, 

 apparently white, half inch long, its lobes obtuse : filaments hairy at base : anthers oval, 

 mueronulate. — Proc. Am. Acad. vii. 388, & Bot. Calif. 542. South-eastern border of Cali- 

 fornia and adjacent part of Arizona, Coojwr, Palmer. 



Var. pubiflora. Corolla strongly pubescent outside : calyx shorter. — On the Mohave 

 River, with the ordinary form, Palmer. 

 Li. pubertllum, Gray. Stem 2 to 4 feet high, with slender divergent and spinescent 

 branches : leaves obovate and oblong-spatulate, a quarter to half inch long, minutely and 

 densely puberulent : flowers solitary and sessile in the fascicles of leaves : calyx-lobes 

 oblong, much shorter than the tube of the corolla, twice the length of their own tube : 

 corolla 4 or 5 lines long, tubular-f unnelform, white, with the triangular-ovate acute lobes 

 not longer than the abruptly dilated throat and tinged with greenish-yellow : filaments 

 glabrous, inserted in the throat : anthers roundish-cordate. — Proc. 1. c. vi. 46. — Borders of 

 Texas and New Mexico, on the Rio del Norte, near El Paso, Wright. 

 L. macrodon, Gray, 1. c. Spiny : leaves spatulate-oblanceolate, glabrate, 2 to 4 lines 

 long : pedicels at most a line and a half long : lobes of the minutely viscid calyx narrowly 

 linear, twice the length of the short campanulate tube (3 lines long), half the length of 

 the narrow corolla : filaments a little hairy at base: anthers oval-oblong. — California or 

 Nevada ? Fremont, 1840 : not since seen. 



^— ^— ^— Short-flowered : the tube and throat of corolla only a line or two long, and the limb 

 comparatively large : calyx with short lobes or teeth or irregularh- cleft : herbage glabrous or 

 nearly so. 



•H- Corolla comparatively large, nearly half inch in diameter: leaves fleshy. 



L. Carolinianum, "Walt. Glabrous, 2 or 3 feet high, widely spreading, spiny : leaves 

 linear-spatulate or so thickened as to be clavate. an inch or less long: pedicels slender: 

 flower 4-5-merous : calyx short, irregularly cleft in age : corolla purple, its almost rotate 

 limb deeply parted into oval lobes : slender filaments (woolly at base) and style elongated. 

 — Car. 84; Michx. FL i. 95; Miers, L c. t. 71. L. sahum, Bartr. Trav. 9. — Salt marshes, 

 S. Carolina to Texas. 



++ ++ Corolla small; the expanded limb under 3 lines wide, about equalled by the stamens: 

 pedicel* a line or two long or none: branches more or less spinescent: leaves linear-spatulate. 



L. Calif ornicum, Nutt. Slender stems very much branched, 2 feet high : leaves thiek- 

 ish and apparently fleshy-coriaceous, very small (1 to 3 lines long), from obovate or spat- 

 ulate to nearly linear : pedicels sometimes hardly any : tube of the white corolla included 

 in the campanulate 4-toothed calyx ; its rotate 4-parted limb barely 2 lines in diameter. — 

 Gray, Bot. Calif, i. 542. — Clayey hill-sides, California, near San Diego, JS'uWo// (without 

 flowers), Ckrelaid, Palmer. (Islands of Lower California.) 



