350 Solanaceae 



or prominently 10-ribbed and reticulate, wholly inclos- 

 ing the pulpy berry, its teeth mostly corinivent. Co- 

 rolla open-campanulate, or rarely nearly rotate, plicate 

 in the bud. Stamens inserted near the base of the co- 

 rolla ; anthers oblong, opening by a longitudinal slit. 

 Style slender ; stigma minutely 2-cleft. Seeds numer- 

 ous, reniform, finely pitted. 



1. P. ixocarpa Brot. Annual, at first erect, later widely 

 spreading, much branched ; stem angled, glabrous or the young 

 parts sparingly hairy ; leaves cordate to ovate, with a cuneate, 

 somewhat oblique base, sinuately dentate or entire, 2.5-6 cm. 

 long; peduncles 2-5 mm. long; calyx sparingly hairy, its lobes 

 short, triangular; corolla bright yellow, with purple throat, 10-15 

 mm. broad ; fruiting calyx round-ovoid, obscurely 10-angled ; 

 berry purple. (P. aequata Jacq. f.) 



Frequent in cultivated fields. June-September. 



2. P. Greenei Rose. Annual, erect-spreading, the flexuose 

 branches angular, 2-3 dm. long ; herbage viscid-pubescent through- 

 out; leaves ovate or rhombic, acutish, entire or with few shallow 

 teeth, 2-3 cm. long, on slender petioles of about the same length ; 

 corolla greenish yellow, 12-15 mm. broad; fruiting calyx 10-15 

 mm. long, pendulous on the slender peduncle, which exceeds it 

 in length. (P. pedunculata Greene.) 



San Joaquin Hills, Orange County; Santa Margarita Ranch, San Diego 

 County. First collected on Cedros Island. April-July. 



2. SCXLANUM L. NIGHTSHADE. 



Herbs or shrubs, often stellate-pubescent. Flowers 

 cymose, paniculate or racemose, white, blue, purple or 

 yellow. Calyx campanulate or rotate, mostly 5-toothed 

 or 5-cleft. Corolla rotate, the limb plaited in the bud, 

 5-angled or 5-lobed. Stamens inserted on the throat of 

 the corolla ; filaments short ; anthers linear or oblong, 

 acute or acuminate, connate or connivent into a cone; 

 the anther-sacs dehiscent by a terminal pore or by a 

 short introrse terminal slit, or longitudinally. Ovary 



