﻿70 convolvdlace.t: (Baker & Wriglit). 



VI. CONVOLVULUS, Linn. 



Sepnls 5, very various in shape, subequal, more or less imbricate. 

 Corolla broadly funnel-shaped ; lobes very short. Stamens 5, 

 inserted low down in the coroUa-tube, Ovary 2-celIed ; ovules 2 in 

 each cell ; style filiform ; stigmas 2, cylindrical. Fruit a 2-celled 

 capsule. 



Twining or erect herbs or underslirubs ; leaves usually hastate or cordate ; 

 flf-wers solitiiry or cymose from the axils of the leaves, or peduncles witli a pair 

 of bracts a short distance from each flower ; corolla usually pinkish-white and 

 smaller than in Iipomaea. » 



DisTEiB. Species about 160, cosmopolitan, mainly in temperate and subtropical 

 regions. 



Section 1. Orthocaulis. Stem erect or suberect. 



Sepals obtuse, densely silky ... ... ,., .. (1) ocellatus. 



Sepals acute, glabrous ... ... .. ... (2) Barmanni. 



Section 2. Strop HocAr lis. Stem twining or trailing. 

 Stems short, prostrate, not twining : 



Leaves linear, glabrous ... ... ... (3) liniformis. 



Leaves cordate-oblong, villous ... ... (4) iuconspicuuB. 



Stems long, twining, more rarely prostrate : 

 Leaves long, linear, auricled : 



Stems angular ; peduncles usually 2- 



flowered (5) hastatus. 



Stems terete ; peduncles l-flowered : 

 Corolla shallovvly lobed : 



Calyx slightly hairy («) sagittatus. 



Calyx densely villous ... ... (7) filiformis. 



Corolla deeply h)bed (20) buUerianus. 



Stems terete: peduncles 2-6-flo\vered ... (8) uJostpalus. 

 Leaves not linear : 



Leaves glabrous, lobed ... ... ... (9) dregeanus. 



Leaves glabrous (or sometimes pubes- 

 cent beneath), entire: 



Sepals oblong, acute, more or less 



hairy (10) farinosus. 



Sepals oblong, obtuse, glabrous ... (11) arvensis. 

 Sepals subspathuhite, obtuse, glab- 

 rous or hairy (12) phyllosepalus. 



Leaves hairy : 



Corolla less than 1 in. in diam. : 

 Leaves entire : 



Corolla 5 lin. long ... (13) hirtellus. 



Corolla 9 lin. long ... (14) Gralpinii. 



Leaves lobed : 



Sepals narrowly lanceo- 

 late (15) ornatus. 



Sepals broad : 



Corolla 9 lin. in diam.; 



lobes rounded ... (16) multifidus. 

 Corolla 5 lin. in diam.; 

 lobes triangular, 



acute (17) boedeckerianus. 



Corolla 1 in. or more in dium. : 

 Leaves undivided : 



Calyx 9 lin. long; pedi- 



celsGlin. hmg (18) calycinuB. 



