T14 SOLANACEAE (XIGHTSHADE FAMILY) 



American genus dedicated to Isidoro Saracha, a Spanish Benedictine ; the prefix 

 xafJMi, on the ground, i.e. dwarf.) 



1. C. s6rdida (Dunal) Gray. Much branched from root or base, somewhat 

 cinereous with short viscid pubescence ; leaves obovate-spatulate or cuneate- 

 oblong to oblanceolate, repand to incisely pinnatifid ; calyx when young villous- 

 viscid ; corolla pale yellow or violet-purple, 1-1.5 cm. broad; berry as large as 

 a pea. (C. conioides Britton.) — Dry or clayey soil, Kan. to Tex. and Ariz. 



3. PHYSALIS L. Ground Cherry 



Calyx 5-clef t, reticulated and enlarging after flowering, at length much inflated 

 and inclosing the 2-celled globular (edible) berry. Corolla between wheel-shaped 

 and funnel-form, the very short tube marked with 5 concave spots at the base ; 

 the plaited border somewhat 5-lobed or barely 5-10-toothed, Stamens o, erect ; 

 anthers separate, opening lengthwise. — Ours herbs with extra-axillary pedun- 

 cles ; flowering through the summer. (Name (pvaaXls, a bladder, from the 

 inflated calyx.) 



a. Corolla large, white with pale yellow center ; calyx neither an;?led nor 



ribbed I. P. grandiflora. 



a. Corolla lurid, greenish or yellowish-white to deep yellow with dark 

 center b. 

 h. Annual c. 



c. Glabrous or merely puberulent. 



Corolla 1-2.5 cm. broad . 2. P. ixocarpa. 



Corolla 4-10 mm. in diameter. 



Teeth of leaves acuminate 3. P. angulata. 



Teeth of leaves obtusish (G) P. harbadensia, v, obscura, 



C. Villous or pubescent, hairs simple, viscid or glandular. 



Fruiting calyx carinately 5-angled, its teeth during anthesis 

 lanceolate. 

 Fruiting calyx subglobose-ovoid, rather abruptly pyramidal at 

 summit. 



Plant green 4. P. pubeseens. 



Plant somewhat hoary 5. P. pruinosa. 



Fruiting calyx flask-shaped, gradually conic-pyramidal at summit 6. P. barbadeasis. 

 Fruiting calyx not sharply angled, its teeth deltoid during anthesis 7. P. missouriensis. 

 h. Perennial d. 

 d. Oanescent, covered with short dense stellate tomentum . , . ?•. P. viscosa. 

 d. Pubescence loose ; hairs once or tmce branched . . . . 9. P. pumila. 

 d. Hairs simple or none. 



Fruiting calyx scarlet 10. P. AR-ekengi. 



Fruiting cal^'x greenish. 

 Leaves broadly ovate, rounded or cordate at base ; viscid- 

 pubescent 11. P. heterophylla. 



Leaves narrowly ovate to oblong or lanceolate, cuneate at base. 

 Nearly glabrous ; leaves 4-5 times as long as broad . . 12. P. longifolia. 



Strigillose to vhlous-pubescent ; leaves 1^-3 times as long as 

 broad. 



Stem and branches strigillose 13. P. subglabrata. 



Stem and branches spreading-villous, retrorsely puberulent 



or glandular-pulverulent . . , ' . . . 14. P. virginiana. 

 Stem and branches hirsutulous 15. P. lanceolata. 



1. P. grandifl5ra Hook. Clammy-pubescent, erect ; leaves lance-ovate, 

 pointed, entire or nearly so ; corolla 2.5-5 cm. wide, white, ivith a pale yellow 

 center, woolly in the throat ; fruiting calyx globular. {Leiicophysalis Kydb.) — 

 Keceiit clearings and sandy shores., e. Que. to the Saskatchewan, s. to L. 

 Champlain, Mich., Wise, and Minn. 



_ 2. P. IXOCARPA Brotero. (Tomatillo.) Erect branching annual, 2-9 dm. 

 high, glabrous or merely puberulent ; leaves entire to sharply sinuate-dentate ; 

 peduncles 3-6 mm. long, distinctly shorter than the flowers ; calyx-teeth deltoid ; 

 corolla 1-2.5 cm. tcide, lurid, yellowish or greenish, with dark canter. (P. aequata 

 Jacq. f. ) — Often cultivated and frequently spontaneous. (Introd. from the 

 Southwest.) —The large purple fruit often bursts the calvx. P. pendula Rydb. 

 appears to be a smaller-flowered long-peduncled extreme found from 111. ( Vasey) 

 southw. and westw. 



3. P. angulata L. Much branched ; leaves ovate or ovate-oblong, sharply 

 and irregularly laciniate-toothed ; peduncles filiform ; corolla unspotted, very 



