758 SOLANACEAE 



1. L. Lycopersicum (L.) Karst. Viscid-pubescent, much branched; stem 

 3-10* dm. high; leaves 2-pinnatifid, lobed and dentate; corolla yellow, 10-15 

 mm. broad; fruit through cultivation very variable, subglobose, ellipsoid, or pear- 

 shaped, red or yellow. L. esculentum Mill. Waste places and around dwellings : 

 N.Y. -Fla. Tex. Colo.; Calif.; escaped from cultivation. 



7. LYCIUM L. MATRIMONY VINE. 



Shrubs or woody vines, often spiny. Leaves alternate, thick, entire, often 

 with smaller ones clustered in their axils. Flowers perfect, regular, solitary or 

 clustered in the axils. Calyx enlarged and persistent under the fruit, deeply 

 5-cleft. Corolla whitish, yellowish, or purplish, funnelform, salverform, or cam- 

 panulate; lobes 5 or rarely 4, imbricate, obtuse. Stamens 5 or 4; filaments adnate 

 up to the mouth of the corolla-tube; anthers opening lengthwise. Ovary 2- 

 celled. Berry rather dry. 



Fruit red, globose; corolla narrowly funnelform, yellow or greenish. 



Flowers 2 cm. long. 1. L. palhdum. 



Flowers about 1 cm. long. 



Leaves and calyces puberulent, the latter about half as long as the corollas. 



2. L. Cooperi. 

 Leaves and calyces glabrous (except the margin), the latter less than one-third 



as long as the corollas. 



Calyx nearly one-third as long as the corolla, its lobes lanceolate or ovate- 

 lanceolate; leaves 1-4 cm. long. 3. L. Torreyi. 

 Calyx less than one-fourth as long as the corolla, its lobes broadly triangular; 

 leaves usually less than 1 cm. long. 4. L. Andersonii. 

 Fruit orange-red, oval ; corolla short-funnelform, greenish purple. 5. L. vulgare. 



1. L. pallidum Miers. Shrub 6-12 dm. high, more or less spiny; leaves 

 pale, spatulate or oblanceolate, 2-4 cm. long, fascicled, glabrous or pruinose; 

 corolla narrowly funnelform, greenish, tinged with purple; filaments exserted, 

 glabrous. Arid hills: w Tex. Colo. Utah Ariz.; Mex. Son. Ap-My. 



2. L. Cooperi A. Gray. Shrub 5-10 dm. high, with very short spines and 

 stout branches; leaves spatulate, minutely viscid-pubescent or puberulent, 1-2.5 

 cm. long; corolla narrowly funnelform, 10-12 mm. long, white; lobes oblong, 

 obtuse; filaments hairy at the base. Arid hills: s Calif. s Utah Ariz. L. 

 Son. Ap-Je. 



3. L. Torreyi A. Gray. Shrub 1-2.5 m. high, more or less spiny; leaves 

 spatulate or oblanceolate, 1-4 cm. long, glabrous; corolla 10-12 mm. long, nar- 

 rowly funnelform; limb about 8 mm. wide; lobes tomentulose on the margins; 

 filaments very woolly at the base; berry red. Arid hills: w Tex. s Utah s 

 Calif. L. Son. Mr-Je. 



4. L. Andersonii A. Gray. Shrub 5-10 dm. high, much branched, with 

 short spines, glabrous; leaves linear-spatulate or oblanceolate, 3-10 mm. long, 

 glabrous; corolla tubular-funnelform, about 1 cm. long; limb 4-5 mm. wide; 

 lobes rounded; filaments slightly hairy at the base; berry bright red. Arid hills: 

 Nev. Utah Ariz. Son. Ap-Je. 



5. L. vulgare Dunal. Tall shrub, often climbing or trailing; stems 2-8 m. 

 long, sometimes spiny; leaves lanceolate, oblong, or spatulate, 1-4 cm. long; 

 corolla purplish, changing to greenish, 8-12 mm. wide. Thickets and waste 

 places: Ont. Conn. Utah Alta.; escaped from cultivation, native of Eurasia 

 and n Africa. 



8. HYOSCYAMUS (Tourn.) L. HENBANE. 



Viscid-pubescent herbs. Leaves alternate, lobed or pinnatifid. Flowers 

 perfect, regular, solitary in the upper axils and in terminal racemes. Calyx urn- 

 shaped, 5-cleft, striate. Corolla funnelform, with slightly oblique 5-lobed limb. 

 Stamens declined, mostly exserted; anthers opening longitudinally. Ovary 

 2-celled; stigma capitate.- Capsule 2-celled, circumscissile above the middle. 



1. H. niger L. Biennial, with a fusiform root; stem viscid-villous, 3-10 dm. 

 high; leaves oblong to ovate, sinuately toothed or lobed, the upper clasping, vis- 

 cid-villous; calyx campanulate, strongly veined, in fruit 2-2.5 cm. long; corolla 



