CONVOLVULUS FAMILY. 263 



§ 2. Style 2-deft or 2 separate itylet, rarely 3. Spreading or trailing, not twtning. 

 6. BONAMIA. Like Convolvulus, but the styles 2 or sometimes 8, or in one 

 species 2-oIeft, and stigmas capitate. Peduncles 1 - 7-flowered. 



6. EVOLVULUS. Corolla short and open fannel-form, or almost wheel-shaped. 



Styles 2, each 2-cleft: the 4 stigmas obtuse. Pod 2-celled: cells 2-seeded. 



II. DODDER FAMILY ; slender parasitic twiners, without 

 green herbage and with only some minute scales in place of leaves ; 

 embryo slender and spirally coiled in the seed, destitute of coty- 

 ledons. 



7. CUSCUTA. Calyx4-B-oleft,orof 5 separate sepals. Corolla short, 4 - 5-cleff. 



Stamens with a scale-like mostly fringed appendage at their ba«e. Styles 2 

 in our species. Ovary 2-ceIled: cells 2-ovmed. Pod commonly 4-seeded. 



1. QUAMOCLIT. (Aboriginal Mexican name.) Twiners, vdth small 

 flowers red or crimson, and with pale or white cultivated varieties, in summer, 

 open through the day. ® 



Q. vulg^is. Cypress- Vine. Cult, from Mexico : leaves pinnately parted 

 into slender almost thread-shaped division^ ; peduncles 1-flowered ; border of 

 the narrow corolla 5-lobed. 



Q. COCcinea. Run wild S. & W. : leaves heart-shaped, pointed ; sepals 

 awn-pointed; peduncles several-flowered; border of (1' long) corolla merely 

 5-angled. 



2. IFOMCEA, MORNING GLORY. (Greek-made name.) FL summer. 



§ 1. Ovary and pod 3-cdled tor accidentally i-cdled), imth 2 seeds in each cell: 

 stigma more or less 3-lobed : corolla funnel-form, opening in early nwming 

 for a few hours : stems twining freely, hairy, the hairs more or less retrorse. 



I. purpiirea, Common M. Cult, from Trop. Amer. and Avild around 



ercd peduncles, slender-pointed sepals, and blue-purple or sometimes white 

 corolla 1'- 2' long. ® . .^ -. e ^i. j- 



I. limb&ta or albO-margin&ta, perhaps a var. of the precedmg : a 

 tender species, with leaves little lobed, angled or entire, and larger corolla with 

 deep violet border, edged with white 2^ broad. ® 



I. Leiirii cult, from S. Amer. ; tender, less hairy, with heart-shaped and 

 some deeply' 3-lobed leaves, many flowers crowded on the summit of the 

 peduncle, and deep violetblue corolla, 3' long and border 3' wide. 21 



S 2 Ovarii and pod 2-ceUed, the cells ^-seeded, or sometimes each cdl divided by a, 

 partition making 4 one-seeded ce>U ; Wes of the stigma if any only 2. 



I Bona-N6x or Calont'ctiok speci68UM. Cult., also wild far S. ^ 

 tall-twining, very smooth, but stems often beset with soft almost prickly 

 projections; leaves hearfrshaped, halherd-shaped or angled; peduncles long, 

 1- few-flowered; corolla salver-forra vrith a slender tube 3' -4' long and the 

 border still broader, white, opening at evening. . 



I Batatas, Sweet Potato. Cult, from East Indies : creeping, seldom 

 twining, smooth, producing the large fleshy edible roots for whict the plant is 

 cultivated; leaves variously ^earl^shaped, halberd-shaped, or triangular, some- 

 times cut^lobed ; peduncleB bearing 3 or 4 flowers ; corolla funnel-form, purple, 

 ly long ; pod with 4 ono-seeded cells. % . . 



T Miohailxii. Light soil along the coast S. : creeping or twining, with 

 heart-^aoed or trianimlar sometimes lobed leaves downy beneath; flowers 

 drnyTLoHa purplifh-whitc with purple eye, 3' -4' long, opening at night; 

 pod pirtly 4-celled, with silky seeds ; root extremely large and fleshy. % 



