570 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
1. Margaranthus solanaceus Schlecht. Ind. Sem. Hort. Hal. 1838; Linnaea 13: 
Litt. 99. 1839. 
Type tocauity: “Nascitur in terris Mexicanis locis calidioribus.’’ Described from 
plants grown from seeds sent by Ehrenberg. 
Rance: New Mexico and Arizona to Mexico. 
New Mexico: Santa Rita; Van Pattens; Mangas Springs. 
2. Margaranthus purpurascens Rydb. Mem. Torrey Club 4: 317. 1896. 
Typr Locauity: New Mexico. Type collected by Rusby (no. 307). 
Ranae: Southwestern New Mexico. 
New Mexico: Mogollon Mountains; Kingston. 
7. PHYSALIS L. GrRouND-CHERRY. 
Annual or perennial herbs, 50 cm. high or less, glabrous or pubescent; leaves entire 
or toothed; flowers axillary, usually solitary, nodding in anthesis; calyx much inflated, 
completely covering the fruit, usually 5-angled, the lobes connivent; corolla open 
campanulate-funnelform, yellowish, often with a darker center, with 5 short lobes; 
fruit a globose pulpy berry with numerous seeds. 
KEY TO THE SPECIES. 
Annuals. 
Plants pubescent nearly throughout. 
Plants stout, erect; leaves sinuate-crenate..........-..-- 1. P. neomexicana. 
Plants slender, diffuse; leaves nearly entire. .......--.-- 2. P. pubescens. 
Plants glabrous, or with a few hairs on the young branches. 
Corolla narrowly campanulate, less than 3 mm. broad.... 3. P. lanceifolia. 
Corolla rotate-campanulate, more than 10 mm. broad. 
Pedicels much longer than the fruiting calyx; corolla 
yellow.......... 2222 e ee eee eee eee eee cence 4. P. wrightit. 
Pedicels usually shorter than the fruiting calyx; 
corolla with a purplish blotch in the center.... 5. P. ixocarpa. 
Perennials. 
Leaves glabrous, the rest of the plant mostly so. 
Leaves broadly ovate, sinuate; calyx pyramidal, much 
inflated............-...2222- 2-2 eee ee eee eee eee 6. P. macrophysa. 
Leaves lanceolate, entire or nearly so; calyx ovoid, little 
inflated...........0. 0-02 e eee eee 7. P. longifolia. 
Leaves, as well as the rest of the plant, pubescent. 
Pubescence at least in part stellate. 
Plants low, densely and conspicuously stellate- 
pubescent; leaves as broad as long, many of 
them orbicular, obtuse...........----....-+-- 10. P. cinerascens. 
Plants tall, finely and sparsely stellate-pubescent, 
the branching of the hairs noticeable only under 
a lens; leaves ovate, acute............-2-2666- ll. P. fendleri. 
Pubescence not at all stellate. 
Pubescence fine and dense, appressed, often grayish..12. P. hederaefolia. 
Pubescence, at least in part, of long spreading hairs. 
Plants very viscid, densely pubescent, spread- 
ing; leaves broadly ovate, obtuse......-.-- 13. P. comata. 
Plants with a few long hairs, scarcely viscid, 
erect; leaves lanceolate or nearly so, acute. 
Pubescence long and soft, spreading........ 8. P. 
Pubescence of fewer, short, scarcely spread- 
ing hairs................---22-------- 9. P. polyphylla. 
~ 
lanceolata. 
