CLASS V. ORDER I. 35 



Ipomoea. Corol funnel or bell-form, with 5 

 plaits : stigma globe-headed, papillose : capsule 2 

 or 3-celled, many-seeded. 29. 43 — qua?noclit, (cy- 

 press vine) leaves pinnatifid. ©. p. r. 



Pyxidanthera. Divisions of calyx lying over 

 each other, chaffy-membranaceous : corol bell- 

 form, 5-parted i filaments lamellar : cells of anthers 

 opening transversely : stigmas 3 : style thick. 21. 

 AiO'—barbulata^ (box-flower) leaves lance-wedge- 

 form. \ . w. 



■ Differ from the above in having S-celled 



capsules. 



Azalea. Corol tubular, half-5-cleft, somewhat 

 oblique ; stamens on the receptacle ; stigma ob- 

 tuse, usually ending with 5 short papillae. 18. 50 — 

 inscosaf (wild honey-suckle) tube of corol twice as 



long as the divisions. ^ . w nitida, tube of corol 



not twice as long as the divisions. \i . w* y. 



ViNCA. Corol salver-form, twisted, border 5- 

 cleft, with oblique divisions ; throat 5-angled: seed 

 naked, oblong ; follicles 2, erect, terete, narrow. 

 30. 47 — minor f (periwinkle) stem procumbent> 

 lance-oval. 



■ Differ from the above in having 2-ceUedber* 



ries. 



SoLANUM. Calyx permanent : corol bell or 

 wheel-form, 5-lobed, plaited : anthers thickened, 

 with 2 pores at the top : berry containing many 

 seeds. 28. 41 — tuberosum^ (potatoe) leaves inter- 

 ruptedly pinnate. 1}. . w. p. — nigrum^ (nightshade) 

 leaves angular. <x). w. — dulcamara^ (bittersweet) 

 climbing, leaves halbert-form. \ . b. 



Physalis. Corol bell or wheel-form : anthers 

 converging : berries contained in an inflated calyx : 

 seeds numerous. 28. 41 — alkekengi^ (winter-cher- 

 ry) leaves in pairs, entire, ?icute. 



