GARDEN BOTANY. 



Ixxi 



2. Ipomcea Learii. Like the common /. purpurea (Man. p. 333), bat 

 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. 



OBDER SOLANACEJE. 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. . . . \ : i; V . 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 -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 5. 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 <>r 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. 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, vidlet-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, 



