982 SOLANACEAE 
b. Fruiting calyx obtusely 5-10-angled, scarcely sunken at the base. 
Corolla yellow, the center sometimes a little darker but not brown or 
purple. 
Peduncles much longer than the fruiting calyx: corolla 5-8 mm. in 
diameter. 8. P. pendula. 
Peduncles scarcely exceeding the fruiting calyx: corolla 8-10 mm. in 
diameter. 9. P. angulata. 
Corolla yellow with a distinctly brown or purple center. 
Peduncles scarcely longer than the flowers : corolla 10-15 mm. in diam- 
eter. 10. P. ixocarpa. 
Peduncles longer than the flowers: corolla 15-25 mm. in diameter. 11. P. Philadelphica. 
B. Perennials, mostly with horizontal rootstocks. 
Pubescence not of stellate hairs. 
Pubescence sparse, seldom, if at all, glandular or viscid. 
Leaves glabrous: upper part of the stem, calyx and veins of the leaves 
with few, if any, short a we hairs. 
Fruiting calyx ovoid, nearly filled with the berry, scarcely sunken at 
the base. 
Plants tall, erect : leaf-blades thin. 
Leaf-blades ovate or ovate-lanceolate. 12. P. subglabrata. 
Leaf-blades lanceolate, linear or oblanceolate. 13. P. longifolia, 
Plants low, spreading : leaf-blades fleshy, elliptic-oblong, tapering 
into a winged petiole. 14. P. Texana. 
Fruiting calyx pyramidal, very much inflated and deeply sunken at 
the base. 15. P. macrophysa. 
Leaves and stem sparingly hairy with longer, flat, spreading or reflexed, 
often jointed, and in P. pumila branched, hairs (some of the species 
are slightly viscid). 
Fruiting calyx ovoid, scarcely angled and scarcely sunken at the 
base: leaf-blades thick, subentire. 
Leaf-blades obovate or spatulate: hairs all simple. 16. P. lanceolata. 
Leaf-blades broader, inclined to be rhomboid: hairs of the lower : 
surface of the leaves branched. l7. P. pumila. 
Fruiting calyx pyramidal, more or less 5-angled and deeply sunken 
at the base: leaf-blades thin. 
Fruiting calyx ovoid-pyramidal: leaf-blades mostly ovate or lan- 
ceolate, tapering at the base. 
Leaf-blades more or less sinuately dentate. 18. P. Virginiana. 
Leaf-blades subentire or wavy margined. a 
Leaf-blades firm: plant not at all viscid. 19. P. rigida. 
Leaf-blades very thin : plant more or less viscid above when 
young. 20. P. intermedia. 
Fruiting calyx oblong-pyramidal or nearly cylindrical: leaf-blades 
broadly ovate, truncate or cordate at the base. ^ 
Leaf-blades coarsely toothed and reticulate. 21. P. arenicola. 
Leaf-blades subentire, the veins not prominent. 22. P. ciliosa. 
Pubescence denser, viscid or glandular, generally consisting of a mixture of 
short fine hairs and long flat jointed ones. 
Leaf-blades generally over 5 cm. long, more or less cordate. ; 
Apex, and teeth of the leaves rounded. 23. P. sinuata. 
Apex, and teeth (if any) of the leaves acutish to acuminate. 
Stem densely and leaves more sparingly pubescent with very long 
(2 mm. or more) white hairs. 
Stem erect: anthers purple: leaf-blades rounded or subcordate 
: at the base. , s : 24. P. ambigua. 
tem spreading: anthers yellow: leaf-blades usually cuneate E 
ii ut acute at the base. Pu WE 25. P. nyctaginea. 
em and leaves very densely pubescent with short, very visc 
hairs: anthers roe E 26. P. heterophylla. 
Leaf-blades generally 5 em. long or less. PP 
esi mun long € 22. P. ciliosa. 
. m with very short hairs. 
Leaf-blades rounded, ovate or rhombic. 27. P.comata. 
Leaf-blades reniform or cordate. 98. P. hederaefolia. 
Pubescence mainly of stellate hairs. 
Plants densely white-pubescent or grayish pubescent. 
Hairs all stellate. 
Leaf-blades cordate. reniform or;round. angulately toothed. 29. P. mollis. 
Leaf-blades elliptic, sometimes cordate at the base, to oblanceolate, 3 
subentire or repand. j 30. P. viscosa. x 
Hairs partly simple, partly stellate: leaf-blades oblong, subentire. Si. P. fuscomaculat 
Plants nearly glabrous, except on the margins of the calyx-lobes, rarely stel- 
late all over when young. : iottii 
Leaf-blades oblong, oblanceolate or spatulate, the lateral veins distinct. 32. P. Ell "m olia 
Leaf-blades linear, thick ; midrib prominent, the lateral veins obsolete. 33. P. angust . h 
1. Physalis pubéscens L. Annual, more or less villous and viscid. —— 
branched, angled, often a little swollen at the nodes, sometimes nearly labrous : irat 
blades thin, 2-6 cm. long, ovate, acute or acuminate, atthe base oblique, s ightly AE y 
and generally entire, upwardly repand-denticulate, or entire, pubescent, irae uec rn cm. 
peru except along the nerves: peduncles short, 3-5 mm., or at maturity abou iow 
ong: calyx-lobes narrow, not subulate tipped: corolla 5-10 mm. in diameter, far es , 
with dark center: anthers usually purplish : fruiting calyx membranous, 2-3 em. 100, 
pyramidal-ovoid, acuminate and more or less retuse at the base. 
In sandy soil, -Pennsylvania to California, Florida and Central America. Also found 
America and in India. 
in South 
