NIGHTSHADE FAMILY 459 



Corolla-tube 1% to 2 times as long as calyx; leaves plane; herbage puberulent; 



Colorado Desert 2. L. fremontii. 



Calyx-lobes oblong or linear (or ovate), % to 4 times as long as the calyx-tube; 

 herbage minutely viscid-puberulent, rarely subglabrous; leaves plane. 

 Flowers borne singly; calyx cleft % to % ; sw. Colorado Desert.. ..3. L. parishii. 

 Flowers usually 2 or 3 in a cluster; calyx cleft % to % ; w. Colorado Desert and 



Santa Barbara Isls 4. L. irevipes. 



Corolla-tube 3 to 5 times as long as calyx; mostly transmontane deserts. 



Corolla-lobes with the margins f elty-ciliate ; corolla-tube just above calyx % line 



wide; leaves plane 5. L. torreyi. 



Corolla-lobes with the margins glabrous or essentially so; corolla-tube just above 

 calyx % line wide; leaves thick and fleshy, that is, jug-shaped or pear- 

 shaped, but a little flattened (leaves plane in one var.) 6. L. andersonii. 



Corolla large (7 to 9 lines long), its limb 7 to 9 lines broad, nearly as broad as the tube is 

 long; calyx-lobes about 1 to IV2 times as long as calyx-tube; berry dull white or 



purplish ; Mohave Desert and Inyo Co. ; var. of 7. L. paUidum. 



Ovary and fruit with 2 horizontal sutures, one on each side just above the middle; corolla puberu- 

 lent, the sides of its lobes revolute; filaments inserted high in corolla-tube, their free 

 portion glabrous 8. L. cooperi. 



1. L. calif ornicum Nutt. Spreading shrub, 2 to 4 feet high, with markedly 

 spinose branehlets; herbage glabrous; leaf -blades narrowly oblanceolate, fleshy, 1 

 to 3 lines long, shortly and indistinctly petioled ; flowers 1 or 2 in the axils, shortly 

 peduncled; calyx cupulate, its teeth short and broad (Vs to % length of tube) ; 

 corolla white or pinkish, mostly 4-lobed, shortly narrow-eampanulate. 2 to 3 lines 

 long, its limb nearly as broad, its throat not exceeding the calyx or only slightly; 

 filaments with a dense and well-defined ring of hairs below the middle; berry ovoid, 

 salmon-color, 1% to 2^2 lines broad, 2-seeded. 



Dry hillslopes or tops of bluffs or ridges, 5 to 500 feet : along or near the coast 

 line of Southern California from Los Angeles Co. to San Diego Co. South to Lower 

 California. Apr.-Aug. 



Field note. — A very spinose shrub Lycium californicum is fairly distinctive in aspect, partly 

 so on account of its leaves which are often much thickened and as small as a grain of wheat. 



Locs. — Santa Catalina Isl., Fosherg ; Huntington Beach, iJ. A. Casod; Oceansidc, Alice King ; 

 La Jolla, Jepson 11,879. 



Eefs. — Lycium califoknicum Nutt.; Gray, Bot. Cal. 1:542 (1876), type loc. San Diego, 

 Nuttall; Jepson, Man. 890 (1925). 



2. L. fremontii Gray. Shrub, 2 to 7 feet high ; leaf -blades oblanceolate or 

 spatulate, 3 to 7 (or 9) lines long; herbage and calyx minutely and thinly puberu- 

 lent and usually a little viscid; calyx (in anthesis) cylindric, about % as long as 

 corolla, its teeth short-triangular ; corolla lavender or pale violet, tubular to narrow- 

 funnelform, glabrous, 5 to 6 lines long, its limb 2^2 to 3^ lines broad; berry red, 

 oblong to globose, 31/^ to 4 lines long. 



Desert flats and washes, 150 to 1500 feet : Colorado Desert. East to Arizona, 

 south to Mexico. Apr. 



Loes. — Painted Canon, Mecca Hills, Jepson 11,644; Santa Eosa Mts. (wash at base), L. J. 

 Childs; Borrego Spr., T. Brandegee ; Split Mt., T. Brandegee ; Signal Mt., T. Brandegee ; Purple 

 Hills Pass, Colorado River, Jepson 5295a. 



Refs. — Lycium tremontii Gray, Proc. Am. Acad. 6:46 (1862), "interior of Cal. or country 

 east of it," Fremont, in 1849; Jepson, Man. 891 (1925). 



3. L. parishii Gray. Shrub 1 to 4 feet high, the branehlets glandular-puberu- 

 lent; leaf-blades narrowly obovate to oblanceolate, minutely glandular-puberulent, 

 1 to 3 lines long, subsessile ; flowers mostly 1 in the axils ; calyx puberulent, about 

 half as long as corolla, cleft % to % to base into linear lobes ; corolla purple, tubular- 

 funnelform, 3 to 5 lines long, its limb 21/0 to 4 lines broad, the lobes somewhat rotate, 

 ^ to 1/3 as long as the tube ; berry ovoid, red, 2 to 3 lines long. 



Mesas and canons, 1000 to 2000 feet: San Bernardino Valley; southwestern 

 Colorado Desert. East to Arizona, thence south to Sonera. Apr. 



