Order 91.— SOLANACIUE. 577 



prickly. Lvs. sometime;; twin, pinnatifid or undivided. Pcd. solitary 

 or several, 1 to oo-flowerod, terminal, but becoming lateral by the ex- 

 tension of the axis. 



} Unarmed, Anthers ovate-elliptic, pore8 terminnl-introrso (a). 



a Herbaceous, with pinnatifid leaves. Raceme exceeding the leaves No. I 



a Herbaceous, with undivided leaves, llaceuie shorter than the leaves Nos. 2 — 4 



a Shrubby, climbing or erect. Berries red Nos, 5 — 7 



J Armed with sharp spines. Anthers linear-oblong, pores terrninal-extrorse (b). 



b Peduncles exceeding the leaves, many-dowered Ko«. 8, 9 



b Peduncles shorter than the leaves, lew-flowered Nos. 10,11 



1 G. tuberosum L. Common Potato. St. herbaceous; subterranean 

 brandies bearing tubers ; lvs. pinnatifid, segin. unequal, the alternate ones min- 

 ute; cor. 5-angled; pedicels jointed. — ©This valuable plant is a native of the 

 Cordilleras of S. America, where it still grows wild. Although it now consti- 

 tutes so large a portion of the food of civilized man, it was scarcely known until 

 the 17 Ih century, and was not extensively cultivated before the middle of the 

 18th. The varieties of the potato are very numerous, differing in their time of 

 ripening, quality, color, form, size, almost endlessly. 



2 G. nigrum L. Black Nightshade. St. herbaceous, angular, smoolhish; lvs. 

 ovate, toothed and waved; umbels lateral, drooping. — ©A weed like plant, with- 

 out beauty and of suspicious aspect, about rubbish, in old fields, N. and W, 

 States. Stem erect, branching, angular, a foot high. Leaves almost always with 

 the lamina perforated and the margin erose as if gnawed by insects. Ped. gener- 

 ally midway between the leaves. Fls. white, anthers yellow. Berries globous, 

 black. Reputed poisonous, but is used medicinally. Plowers in summer 

 § Eur. 



3 G. iiodiflorum Jacq. St. herbaceous or half-shrubby, branched ; branches 

 t:rctc, herbaceous, glabrous ; lvs. ovate, entire, or subrepand, acute, glabrous ; fls. 

 subumbcllate, minute; stalks and cal. puberulent. — % S. Car. to Fla. and La. 

 Stem 2 to of high, with a ridge descending from each petiole. Lvs. 2 to 4' long, 

 half as wide, petioles near 1'. Ped. Gliform, 6 to 12" long, growing from thick- 

 ened nodes a little below tho next leaf, bearing several (3 to 8) white fls. Cor. 

 cup-form, 2" broad. Jr. not seen. 



4 G. pyenanthum DunaL St. herbaceous, slender, angular-furrowed, hispid; 

 lvs. ovate-obhng, acuminate, attenuato to a petiole, subrepand, puberulent, pale- 

 beneath ; ped. short, filiform, hirsute, 1 to 3-flowered, subopposite to tho leaves. — 

 Ga. about Savannah (Dunal, apud DC. Sed dubito.) Plant green. Lvs. 1 to 2' 

 by 3 to 8", petioles 2 to 5". Pis. nodding, 2 to 3" broad, white? Anthers yel- 

 low. Berry globular. 



5 G. Dulcamara L. Bittersweet. Woody Nightshade. St. shrubby, flexu- 

 ous ; Iss. ovate-cordate, tipper ones hastate or lac iniata; clusters eymous, suboppo- 

 Bito and terminal. — A well-known shrubby climber, with blue flowers aud red 

 berries, N. Eng. to Ark. Stem branching, several feet in length, climbing about 

 hedges and thickets in low grounds. Lower leaves entire ; the upper ones be- 

 coming aurieulate or hastate. Flowers drooping, on branching peduncles from 

 tho side of the stem. Corolla of 5 reflexed segments, purple,' with- 2 green spots 

 at tho baso of each segment. Berries bright red, said to bo poisonous. JL 

 § Eur. 



6 S. PBeudo-Capsicum L. Jerusalem Cherry. St. shrubby; lvs. oblong- 

 lanceolate, subrepand; ped. 1-flowerod, opposite tho leaves. — ^ A small, orna- 

 mental shrub, cultivated. Stem 2 — if high, branching into a symmetrical sum- 

 mit. Leaves dark evergreen, smooth and shining, about 2' long. Flowers white, 

 With orange anthers, drooping, succeeded by a few scarlet, globous berries of the 

 eize of email cherries f Mauritius, <fcc 



7 G. sempervirens Dun. Shrubby, twining and climbing ; branches herba- 

 ceous; lvs. entire, lance-ovate or ellijitic, obliquely cordate, obtuse, with a blunt cusp x 

 very smooth and shining; panicles terminal, divaricate, roughish and hairy.— 

 Shrubberies, arbors, &c, hardy South. An elegant climber. Branches cinnamon- 

 colored, glandular. Lvs. thick, of a bright, shining , green. Cor. plicate, 5 or 6 

 times larger than tho calyx, f Guiana. 



37 



