88 SOLANACEiE. (POTATO FAMILY.) 



Var. longiloba, Engel. Flowers 1^ to 2i lines long; calyx-lobes often with recurved 

 tips; capsule mostly only 1 -seeded, enveloped by the withered corolla. 



* * Capsule pointed, capped or enveloped by the withered corolla. 



2. C. salina, Engel. Flowers IJ to 2i lines long delicate white; corolla lobes often 

 overlapping, denticulate; capsule siirrounded but not capped by the corolla, usually 

 1-seeded. — Growing in saline marshes, usually on Salicornia. 



3. C. subinclusa, Dur. & Hilg. Flowers sessile or nearly so (at length in large 

 clusters), 2^ to 4 lines long; lobes of the corolla short, the tube somewhat urn-shaped, 

 only partly covered by the fleshy, usually reddish calyx. — The most common species 

 growing on coarse herbs and shrubs. 



Oeder 42. SOIiANACEiE. 



Herbs or shrubs, with alternate leaves and no stipules, regular 5-merous flowers on 

 bractless pedicels, a single style and a 2-celled ovary; the fruit a many-seeded berry or 

 capsule. 



Corolla rotate; fruit a berry Solanum. 1 



Corolla funnel-form; capsule large, spiny Datura. 2 



Corolla funnel-form; capsule smooth Nicotiana. 3 



1. SOLANUM, Toum. 



Lobes of the corolla valvate in the bud. Filaments short; anthers usually conniving. 

 Style elongated. (See Addexda. ) 



* Corolla sviall, white ; deeply 5-cleft, 



1. S. uignim, L. (Black Xightshade. ). Widely branching; leaves usually ovate 

 and sinuate toothed; flowers in umbellate clusters; berries black. Variable. 



Var. Dougiasii, Gr. Leaves apt to be coarsely toothed; flowers sometimes half an 

 inch broad. 



* * Corolla large, blue, 5-angled. 



2. S. umbelliferum, Esch, Somewhat shrubby; flowers in umbel-like clusters, 

 violet-blue to rarely white, about 9 lines broad. — A variable species similar to S. Xanti 

 (which is less shrubby and has larger flowers), a common species farther south. 



2. DATURA, L. Strai^ionium. 



Calyx prismatic, partly deciduous. Corolla with ample 5-pointed limb. Style long; 

 stigma 2-lipped. Capsule spiny. 



1. D. Stramonium, L. Smooth, green; corolla white, about 3 inches long; cap- 

 sule beset with short stout prickles, the lower shorter. 



