CONVOLVULUS KA5ULY. 2G3 



§ 2. Style 2-chft or 2 sepnrate styles, rarely 3. Spnading or irnlling, not tmning. 

 6. BONAJIIA. Like Convolvulus, but the styles 2 or sometimes 3, or in ona 

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



6. KVOLVULUS. Corolla short and open funnel-form, or almost whoel-shaped. 



Styles 2, each 2-oleft ; the 4 stigmas obtuse. Pod2-celled: cells 2-seeded. 



II. DODDER FAMILY ; slender parasitic twiners,' without 

 green tierbage and witli only some minute scales in place of leaves ; 

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

 ledons. 



7. CUSCUTA. Calyx4-6-cleft,orof 5 separate sepals. Corolla short, 4 - 5-cleft. 



Stamens with a scale-like mostly fringed appendage at tlieir base. Styles 2 

 in our species. Ovary 2-oelled: cells 2-ovuied. Pod coinmonly 4-seeded. 



1. QTJAMOCLIT. (Aboriginal Mexican name.) Twiners, with small 

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

 open through the day. (V) 



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

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

 the nanow corolla 5-Iobed. 



Q. eoecinea. Run wild S. & W. : leaves heart-shaped, ],ointcd ; sepals 

 aivn-pointed ; peduncles several-tio^verod ; border of (1' long) corolla merely 

 5-angled. 



2. IPOMCEA, MORNING GLOET. (Greek-made name.) Fl. summer. 



§1. Ovary and pod 3-celled (or accideiitalli/ i-celleJ), with 2 seeds in each cell': 

 stigma more or less 3-lobed ; corolla funnel-fwm, opening in earl;/ morning 

 for a few hours : steins twining freelg, huiry, the hairs more or less retrorse. 



I. purptirea. Common M. Cult, from Trop. Amer. ahd wild around 

 dwellings ; with heart-shaped pointed entire leaves, 3-4-flowercd peduncles, aud 

 purple sometimes variegated or nearly white corolla, 2' long. (I) 



I. Nil. Cult, or run wild S. : with heart-shaped 3-lobed leaves, 1 -3-floAv- 

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

 corolla 1' -'J' long. ® 



I. IimbS,ta or albo-marginita, perhaps a var. of the preceding ; a 

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

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



1. Learil, 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 violet-blue corolla, 3' long and border 3' wide. ^ 



§ 2. Oi'nry and pod 2-cdled, the cells 2-seedcd, or sometimes each ceU divided hy a 

 partition making 4 one-seeded cells : lobes of the stigma if any only 2. 



I. Bona-Ndx, or Calokyction speciOsum. Cult., also wild far S. : 

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

 projections ; leaves heart-shaped, halberd-shaped, or angled ; peduncles long, 

 1 - few-flowered ; corolla salver-fonn with 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 which the plant is 

 cultivated ; leaves variously heart-shaped, halberd-shapetj, or triangular, some- 

 times cuVlobed ; peduncles bearing 3 or 4 flowers ; corolla funnel-form, purple, 

 'i' 'o"S ; po<l with 4 one-seeded cells, y. 



I. MienaTlxii. Light soil along the roast S. : creeping or twining, with 

 heart-.>ihaped or triangular sometimes lobed leaves downy beneath ; flowers 

 downy ; corolla pui-plish-vi'hitc with purple eye, 3' - 4' long, opening at night ; 

 pod partly 4-celled, with silky seeds ; root extremely large and fleshy. ^ 



