GARDEN BOTANY. 



XXI 



2. Ipomcea Learii. 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 SOLATsTACEiE. 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. 

 Anthers longer than their filaments, united by a membrane at 



their tips, opening lengthwise 2. 



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

 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. 

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

 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. 

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

 ally prickly, more or less 4-celled 5, 



Calyx 5-parted nearly to the base, foliaceous. 



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



and open calyx. ...... 6 



Corolla funnel-form : fruit a dry pod 7. 



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. 



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



Under or only partly covering the berry : shrubby plants. 

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

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



SOLANUM. 



LYCOPERSICUM. 

 CAPSICUM. 



NICANDRA. 

 4. PHYSALIS. 



HYOSCYAMUS. 



DATURA. 



ATROPA. 

 PETUNIA. 



NIEREMBERGIA. 

 NICOTIANA. 



10. 

 11. 



LYCIUM. 

 CESTRUM. 



. Solanum 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, 



