43G FLORA OF TEXAS. 



corolla 5-10-lobed, plaited and valvate, convolute, or im- 

 bricated in the bud ; stamens 4-7, inserted on the tube of 

 the corolla ; anthers 2-celled, opening lengthwise or by 

 terminal pores; style and stigma single ;/n«Y a 2-celled 

 (rarely 3-5-celled) many-seeded capsule or herry; pi aceiitcB 

 adnate to the partition and projecting into the cells; seeds 

 campylotropous or amphitropous; embryo mostly slender 

 and curved in fleshy albumen. Chiefly narcotic poisons. 



SYNOPSIS. 



§ Fruit a beri-y. 

 ** Coro'la wheel-shaped or short bell-shaped. 

 t Anthers connivent. CaXyx unchanged in fruit. 



Anthers opening by terminal jxtres. Berry juicy Solanum. 



lengthwise. juiceless Capsicum. 



tt Anthers separate., opening lengthwise ; fruiting calyx inflated. 



Berry juicy. Calyx entire at the base Phtsalis. 



dry. 10-toothed at the base Nicandba. 



Corolla fu7inelform ; frvit a capsule. 

 Calyx prismatic or terete, circumscissile. Capsule sipy Datura. 



SOLANUM, L. Nightshade. 



Calyx 5-toothed or 5-cleft ; corolla wheel-shaped, 5-lobed, 

 valvate, with the margins turned inward ; stamens 5, in- 

 serted on the throat of the corolla, exserted ; the filaments 

 very short; anthers opening by 2 terminal pores, connivent; 

 stigma obtuse; Jerri/ juicy, 2-celled, many-seeded. — Herbs 

 or shrubs, often armed w^ith prickles; leaves alternate or in 

 pairs ; floivers opposite the axils, or above them. 



* Unarmed ; cymes or racemes corymbed; corolla ^parted. 



S. VERBASCIFOLIUM, L. Shrubby, and hoary through- 

 out with dense soft stellate hairs ; leaves large, ovate-ob- 

 long, acute at each end, entire; cymes on long and very 

 stout peduncles, forking, compactly many-flowered ;/o?6'er5 

 globose-obovate in the bud ; calyx-lohQS ovate, acute ; co- 



