176 PBACTIGAL BOTANY. 



385. (356.) Fruit separating into 4 or 2 nutlets. Flow- 

 ers in scorpoid spikes, blue or purple. Herbs pubescent. 386 



Fruit not splitting into nutlets 387 



386. Fruit separating into 4 nutlets. Tube of the corolla 

 cylindrical ; throat open. Flowers white, or purple. Leaves 

 oval, long-petioled. Heliotropium Europseum, L. 



Fruit separating into two nutlets, each 2-seeded 

 (that is, 4 nutlets in pairs). Leaves petioled, ovate, or some- 

 what heart-shaped. Fruit 2-cleft, mitre-shaped before split- 

 ting. Flowers purple, or blue. 



Heliophytum Indicuin, D.C. 



387. Fruit a drupe or a berry 388 



Fruit a pod (rarely twin) 392 



388. Trees or shrubs. Fruit a drupe, sometimes berry- 

 like 389 



Herbs. Fruit a berry 390 



389. Corolla 5-cleft, with a row of 10 narrow appen- 

 dages on the edges of the lobes. Stamens 5, with sagittate 

 anthers, opposite the corolla-lobes, alternate with 5 petaloid 

 sterile stamens. Ovary 5-celled. Drupe ellipsoid, 1 -seeded. 

 Spiny trees and shrubs. Bumelia. 



Corolla of 6 segments. Stamens 6. Drupe berry- 

 like, with 6 nutlets. FloAvers perfect, or, by abortion, im- 

 perfect. Shrubs. Prinos (862). 



390. Corolla wheel-shaped, 5 -parted, or cleft. Anthers 

 connivent, and opening by pores or chinks at the apex. 

 Berry usually 2-celled. Leaves sometimes prickly along the 

 midrib. Solanum. 



Corolla bell-shaped or bell-funnel-form, somewhat 

 5-lobed, or entire, plaited in the bud. Anthers separate and 

 opening lengthwise. Calyx enlarged and bladdery in fruit, 

 enclosing the berry. Leaves sharply toothed, or sinuate- 

 angled 391 



391. Calyx 5-cleft, reticulated in fruit. Berry juicy, 2- 

 celled. The plaited border of the greenish-yellow corolla 

 somewhat 5-lobed or toothed. Anthers blue, or yellow. The 

 1-flowered peduncles extra-axillary, nodding. Physalis. 



Calyx 5-parted, the segments arrow-shaped. Berry 



