666 SOLANACEAE 



2. Lycium verrucosum Eastw. San Nicolas Lycium. Fig. 4465. 



Lycium verrucosum Eastw. Proc. Calif. Acad. III. 1: 111. 1898. 



Compact, intricately branched shrub 1-3 m. tall, with heavy branches armed with scattered, 

 blunt spines. Leaves spatulate, 3-6 mm. wide, 5-12 mm. long, subsessile, scurfy-pubescent; 

 pedicels and campanulate calyx pubescent, the latter 3^-lobed, the lobes narrowly lanceolate, 

 3-8.5 mm. long, slightly shorter than the tube; corolla 8-10 mm. long, 4-5-lobed, these about 

 one-fourth as long as the tube, sparsely ciliolate ; stamens 3-5, adnate to tube to bases of sinuses 

 between corolla-lobes, filaments 1-1.5 mm. long, glabrous, but adjacent corolla-tube puberu- 

 lent; fruit ovoid, reddish. 



Known only from the type locality, on cliffs along an arroyo on San Nicolas Island, off the coast of Ventura. 

 County. April. 



3. Lycium pallidum var. oligospermum C. L. Hitchcock. Rabbit Thorn. 



Fig. 4466. 



Lycium pallidum var. oligospermum C. L. Hitchcock, Ann. Mo. Bot. Card. 19: 304. 1932. 



Compact, much-branched, very thorny shrub, 0.5-1.2 m. tall with flexuous knotty branches 

 and glabrous herbage. Leaves oblanceolate, 1-6 cm. long, slightly glaucous ; flowers pendent on 

 slender pedicels 8-12 mm. long; calyx broadly campanulate or cup-shaped, the tube 4-5 mm. 

 long, the lobes triangular-oblong, 2-4 mm. long and erect in flower, spreading and often 5-8 rnm. 

 long in fruit; corollas narrow-campanulate, white to lavender, 12-18 mm. long, the spreading 

 limb to 1 .8 cm. broad ; stamens exserted 3-5 mm. ; fruit depressed-globose, 8-12 mm. in diameter, 

 whitish to purplish, glaucous. 



Arid, rocky hillsides and mesas, Lower Sonoran Zone; Inyo and San Bernardino Counties, California. 

 Type locality: Barstow, California. March-May. 



4. Lycium brevipes Benth. Desert Thorn. Fig. 4467. 



Lycium brevipes Benth. Bot. Sulph. 40. 1844. 

 Lycium Richii A. Gray, Proc. Amer. Acad. 6: 46. 1861. 

 Lycium Palmeri A. Gray, Proc. Amer Acad. 8:292. 1870. 

 Lycium cedrosense Greene, Pittonia 1 : 268. 1889. 



Erect or ascending, irregularly branched spiny shrub 1-4 m. tall, herbage and young 

 branches glandular-puberulent ; bark tan or later gray. Leaves numerous, elliptic, obovate to 

 broadly spatulate, 0.5-3.5 cm. long, 3-12 mm. wide, somewhat fleshy, sessile or subsessile, often 

 glabrate in age ; flowers few to numerous ; calyx campanulate, the tube 2-6 mrn. long, with 

 2-6 unequal, triangular to lance-triangular lobes, the longest of which equal or slightly exceed 

 length of calyx-tube ; corolla white to lavender, funnelform. the tube 6-10 mm. long, 2-4 mm. 

 in diameter just above the calyx-tube, the limb 4-5-lobed, 6-10 mm. jjroad, lobes 3-5 mm. long, 

 glabrous or sparsely ciliolate ; stamens slightly exserted, about equaling the corolla-lobes ; fruit 

 ovoid, bright orange-red, 4-9 mm. in diameter. 



Along arroyos and on hillsides and flats, chiefly Lower Sonoran Zone; San Diego and Riverside Counties, 

 California, through the arid regions of Lower California and the western parts of Sonora. Type locality: Mag- 

 dalena Bay, Lower California. March-April. 



Lycium brevipes var. Hdssei (Greene) C. L. Hitchcock. Leaflets West. Bot. 1 : 58. 1933. {Lycium 

 Hassci Greene, Pittonia 1: 222. 1888.) Habit similar to that of the species. Distinguished by virtually equal, 

 spatulate instead of triangular or lanceolate-triangular calyx-lobes which are sometimes 3 times as long as the 

 calyx-tube. Cliffs and bluffs near the sea, on the Channel Islands, and occasionally as a cultivated ornamental 

 from Santa Barbara to Los Angeles; San Diego; also near Niland, Imperial County, California. Type locality: 

 Santa Catalina Island. 



5. Lycium Parishii A. Gray. Parish's Desert Thorn. Fig. 4468. 



Lycium Parishii A. Gray, Proc. Amer. Acad. 20: SOS. 1885. 

 Lycium Pringlei A. Gray, loc. cit. 



Erect, intricately branched shrub 1-3 m. tall with herbage and young twigs pubescent, 

 slightly glandular, spines slender, 3-12 mm. long. Leaves short-elliptic to oblanceolate, 1.5-5 

 mm. wide, 5-18 mm. long, the longer, oblanceolate ones narrowing gradually to a petiole 

 1-5 mm. long ; flowers usually solitary in the axils ; calyx densely glandular-pubescent, the 

 tube campanulate, 1.5-2.5 mm. long, the 5 lobes erect, narrowly ovate to elliptic, rounded at 

 the apex, broadest at about the middle, 2-4 mm. long, equal ; corolla purplish, the tube 6-10 mm. 

 long, 1.5-2 mm. in diameter at the throat; corolla-lobes rounded, rotate or ascendingly spread- 

 ing, 2.5-3 mm. long; stamens about equaling corolla-lobes; fruit ovoid, red, 4-6 mm. long. 



Arid arroyos and desert flats, Lower Sonoran Zone; near San Bernardino, and in eastern San Diego 

 County, California; southern Arizona into Sonora. Type locality: mesa near San Bernardino, California. 

 March-April. 



6. Lycium Fremontii A. Gray. Fremont's Desert Thorn. Fig. 4469. 



Lycium Fremontii A. Gray, Proc. Amer. Acad. 6: 46. 1862. 

 Lycium gracilipes A. Gray, Proc. Amer. Acad. 12: 81. 1877. 

 Lycium fremontii var. gracilipes A. Gray, Syn. Fl. N. Amer. ed. 2. 2*: 437. 1886. 



A much-branched, erect, often rounded shrub, 1-3 m. tall, with pubescent, slightly glandular 

 herbage, twigs and calyces, the spines slender, 1-2 cm. long. Leaves oblanceolate-spatulate. 



