GARDEN BOTANY. 



Ixxi 



2. Ipomcea Learn. Like the common I. purpurea (Man. p. 333), but 

 with violet- blue flowers 4' across, some of the leaves 3-lobed. 



I. Bona-nox, of the section or genus Calonyction, the corolla salver-form, 

 limb 5' across, on a tube 3' or 4' long, opening at evening, white. 



I. Batatas, SWEET POTATO. Low and spreading from the fleshy root 

 (for which the plant is cultivated) rarely twining; leaves angled, lobed, or 

 pedate ; corolla bell-shaped, rose-purple. 



3. Convolvulus tricolor. A diffuse low annual, not twining, pubescent, 

 with oblong-spatulate leaves, the showy open-funnel-form flowers opening in 

 sunshine, blue, white in the throat, and yellow in the tube. 



ORDER SOIiANACE-ZE. NIGHTSHADE FAMILY. 



Manual, p. 338. Some cult, for ornament, others for food or medicine. 

 Parts of the flower in cultivated species often more than five. 



Corolla wheel-shaped : anthers connivent and sometimes connate. 

 Anthers longer than their filaments, opening by a hole at the end. 1. SOLANUM. 

 Anthers longer than their filaments, united by a membrane at 



their tips, opening lengthwise 2. LYCOPERSICUM. 



Anthers shorter than their slender filaments, opening lengthwise. 3. CAPSICUM. 

 Corolla bell-shaped, funnel-shaped, &c. ; anthers separate. 

 Calyx bladdery -inflated after flowering, enclosing the red or yel- 

 low berry : corolla short, and 



Five-parted: berry dry, 3- 5-celled. . . . Man. p. 340. NICANDRA. 



Five-cleft : berry juicy, red or yellow, eatable, 2-celled. . . 4. PHYSALIS. 

 Calyx urn-shaped, with a spreading reticulated border, enclosing 

 the pod, which opens by a lid : corolla dull-colored, veiny, 



short, open-funnel-form, rather irregular. . Man. p. 340. HYOSCYAMUS. 

 Calyx long and prismatic : corolla funnel-form : pod naked, usu- 

 ally prickly, more or less 4-celled 6. DATURA. 



Calyx 5-parted nearly to the base, foliaceous. 

 Corolla bell-shaped, dull purple : berry black on the enlarged 



and open calyx. 6. ATROPA. 



Corolla funnel-form : fruit a dry pod 7. PETUNIA. 



Calyx 5-toothed or 5-cleft, not prismatic, urn-shaped, nor inflated, 

 Covering the pod : annuals or cultivated as annuals ; corolla 



funnel-form or salver-form. 



Tube of the corolla filiform : stigma kidney-shaped. 8. NIEREMBERGIA. 



Tube of the corolla not filiform : stigma capitate. 9. NICOTIANA. 



Under or only partly covering the berry : shrubby plants. 

 Corolla short-funnel-form, 5-cleft : stamens exserted. 10. LYCIUM. 



Corolla tubular or narrow-funnel-form : stamens included. 11. CESTRUM. 



1. Solatium Dulcamara, BITTERSWEET, with ovate-cordate leaves, some 

 of them lobed at base, and purple-blue flowers : described in Man. p. 339. 



S. tuberosum, POTATO. Cult, from the tubers ; leaves pubescent, pin- 

 nate, with several ovate leaflets and some minute ones intermixed; flowers 

 blue or white ; berries round and green. 



S. Melonge'na, EGG-PLANT. Annual, with ovate downy leaves, prickly 

 stems, violet-blue flowers, and an oblong fruit, violet-colored or white, 2' to 6' 

 long, eatable when cooked. 



S. Pseudo-Capsicum., JERUSALEM CHERRY. Low, tree-like shrub, 



