MACLOSKIE I SOLANACE^E. 705 



2. PHYSALIS Linn. 



Herbs, sometimes woody at base, with entire or sinuately toothed leaves, 

 and mostly solitary, axillary peduncles. Calyx enlarged in fruit like a 

 bladder around the pulpy berry. Corolla yellow, or white, or with a dark 

 center, sub-campanulate, plicate. Anthers opening by slits. 



Species 50, many in Amer. 



P. VISCOSA Linn. 



Perennial from a creeping stock ; having dense, stellate, ashy pubescence. 

 Leaves elliptic to ovate, obtuse, entire or wavy, sometimes basally cor- 

 date. Peduncles 1-2 mm. long. Calyx stellately hairy, its lobes tri- 

 angular, short. Berry orange. 



(S. United States to Argentina. Called Camanbu in N. Brazil ; widely 

 spread near inhabited places) ; N. Patagon. 



3. SOLANUM Linn. 



Herbs or shrubs, often stellately hairy ; with the stamens inserted in the 

 throat of the rotate corolla, and the anthers united into a cone and usually 

 opening by terminal pores. Ovary 2-celled, becoming a globose berry. 



Species 900, most in tropical America. 



KEY TO THE SPECIES. 

 A. Leaves oblong-lanceolate, sinuate, scaly-tomentose, sometimes prickly. Raceme few-flowered, 



cymose, silvery. el&agnifolium. 



A2. Leaves oblong, subsessile, basi-cuneate, apically 3-lobed, and laterally lobed, tomentose 

 underneath. Terminally subumbellate, 2 3-flowered. chenopodifolium. 



A$. Leaves ovate. 



b. Leaves rather large, toothed, glabrous. Stem and raceme forked. furcatum. 



b2. Leaves inequilateral, subentire, subglabrous. Umbel lateral, 3-1 o-flowered. Berry black. 



nigrum. 

 A^. Leaves pinnately divided. 



b. Leaf-segments linear, obtuse, mid one small. Upper leaves entire. Raceme terminal, 



forked. Berry scarlet. maritimum. 



b2. Mid leaf-segment large. Corymb terminal, few-flowered. commersonii. 



b$. Leaf-segments linear, entire or appendaged at base. Peduncles lateral, i-few-flowered, 

 nutant in fruit. pryrethrifoliittn. 



64. Interruptedly pinnatisect, the alternate segments small. Corymbs terminal. Tuberiferous. 



tuberosum. 



i. S. CHENOPODIFOLIUM Dunal. 



Shrub. Branches obscurely sanguineous, subquadrangular, angulate- 

 winged, pilose. Leaves subsessile, ovate-oblong, cuneate at base, api- 



