80LANACE.E. (NIGHTSHADE FAMILY.) 339 



1, SOLANIM, L. Nightshade. 



Calyx and the wheel-shaped corolla 5-partcd or 5-cleft (rarely 4-10-parted), 

 the latter plaited in the bud, with the margins of the lobes indupiicate. Sta- 

 mens exserted, converging around the style : filaments very short : anthers 

 opening at the tip by two pores or chinks. Berry usually 2-celled. — Herbs, or 

 shrubs in warm climates, the larger leaves often accompanied by a smaller lateral 

 (rameal) one; the peduncles also mostly lateral and extra-axillary. (Name of 

 unknown derivation.) 



* Anthers blunt. (Plants not prickly.) 



1. S. Dulcamara, L. (Bitterswket.) Stem somewhat shrubby, climblny, 

 nearly smooth ; leaves ovate-heart-shaped, the upper halberd-shaped, or with two 

 ear-like lobes at the base ; flowers (purple) in small cymes; berries oval, scarlet. 

 — Moist banks and around dwellings. (Nat. from Eu.) 



2. S. nigrum, L. (Common Nightshade.) Annual, low, much branched 

 and often spreading, rough on the angles; haves ovale, wavy-toothed ; flowers 

 (very small, white) in small and umbel-like lateral clusters, drooping; berries 

 globular, black. — Shaded grounds, and fields; common. July, Aug. — A 

 homely weed, said to be poisonous. (Nat. from Eu.) 



* * Anthers elongated, lanceolate, pointed. (Plants mostly prickly.) 



3. S. CaroBilionsc, L. (Horse Nettle.) Perennial, low (1° high) ; 

 stem erect, prickly ; leaves ovate-oblong, acute, sinuate-toothed or angled, 

 roaghish with stellate pubescence, prickly along the midrib, as also the calyx; 

 flowers (pale blue or white, large) in simple loose racemes; berries globular, 

 orange-yellow. — Sandy soil ; Connecticut to Illinois and southward. June— 

 Aug. (S. Virginianum, L., is not here identified as distinct.) 



S. mammosum, L., is not a native of our district. 



S. tuberosum, L., is the cultivated Potato, and S. Melongena, L., the 

 Egg-Plant. 



Lycopersicum esculentum, Mill., is the Tomato, now separated from 

 Solatium. 



9. PHYSALIS, L. Ground Cherrt. 



Calyx 5-cleft, reticulated and enlarging after flowering, at length much in- 

 flated and enclosing the 2-celled globular (edible) berry. Corolla spreading* 

 bell-shaped or somewhat funnel-form, with a very short tube, marked with 5 

 concave spots at the base ; the plaited border somewhat 5-lobed or 5-toothcd. 

 Stamens 5, erect : anthers separate, opening lengthwise. — Herbs (in this coun- 

 try), with the leaves often unequally in pairs, and the 1 -flowered nodding pe- 

 duncles extra-axillary. Corolla, greenish-yellow in our species, often with 

 brownish spots in the throat. (Name, (f>vo-a\is, a bladder, from the inflated 

 calyx.) 



* Root annual : anthers blue or violet. 



1. P. UKlguir&ta, L. Glabrous, erect, much branched (2° -3° high); 

 leaves ovate or ovate-oblong, often very sharply toothed ; corolla somewhat 5- 



