.238 SOLANACEiE. Lycium. 



* * Indigenous, southern and western: berries red or reddisli (one species excepted), globular. 

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

 L. pdllidiun, 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-cleft 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. 154 ; Gray, Proc. Am. Acad. vi. 45. — New Mexico and Ari- 

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



+- -1— Large calyx, with lobes commonl3^ longer than or equalling the tube, foliaceous 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, which is little longer than its oval lobes. — Proc. 

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

 Arizona. 



++ ++ Flowers 5-merous: corolla-lobes ovate, short, recurved-spreadlng. 



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, 

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

 fornia and adjacent part of Arizona, Cooper, Palmer. 



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

 River, with the ordinary form. Palmer. 



L. pubenilum, 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-funnelform, 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 1 Fremont, 1849 : 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 irregularly clef t : herbage glabrous or 

 nearly so. 



++ 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, 1. c. t. 71. L. salsum, Bartr. Trav. 9. — Salt marshes, 

 S. Carolina to Texas. 



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

 ■pedicels a line or two long or none: bi-anches more or less spinescent: leaves linear-spatulate. 



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

 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, Nuttall (without 

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



