290 
53. CONVOLVTJLACE^. 
twining or prostrate, leafy, branched. Peduncles sometimes 
2-flowered. Cor. beautifully variegated with pink and white. 
Caps. 2-celled. Roots descending remarkably deep. Plant 
glabrous, or st. and 1. downy. — Fields and hedges. P. VI. — 
VIII. E. S. I. 
** Bracts 2 large, close to the floiver. Volvulus Medik. 
Calystegia R. Br. 
2. C. s^jiium (L.) ; 1. ovate- or triangular-hastate, peduncles 
1-flowered square. — E. B. 313. — St. twining, many feet long, 
with large rather distant leaves. Fl. solitary, axillary, large, 
white, rarely pink. Bracts quite enclosing the calyx. Fr. im- 
perfectly 2-celled through the shortness of the dissepiment. — 
Hedges and thickets. P. VII. VIII. E.S.I. 
3. C. Soldanel'la (L.) ; 1. reniform slightly angular fleshy, 
peduncles 1-flowered with 4 membranous angles. — E. B. 314. — 
St. short, procumbent. Fl. large, solitary, axillary, very hand- 
some, pink with yellow bands. Bracts rather shorter than the 
calyx. Rootstock long creeping. — Sandy sea-shores. P. VI. 
VIII. Sea-side Bindweed. E. S. I. 
2. Cus'cuTA Linn. Dodder. 
Clusters sessile in all our species. 
1. C. europcp'a (L. em. Murr.) ; cor.-tube cylindrical after- 
wards ventricose, scales adjiressed to inside of tube bifid distant 
below with rounded spaces between them, cal. much shorter 
than corolla. — E. B. 378.— St. threadshaped, branching, red- 
dish. Fl. in rather large clusters, yellowish. — Parasitical upon 
herbaceous plants. A. VIII. IX. Greater Dodder. E. S. 
[C. Epilinum (Weihe) ; cor.-tube ventricose, scales adpressed, 
fringed with teeth distant below with rounded spaces, cal. 
with fleshy segments deltoid below nearly as long as the 
cor.-tube.— E. B. S. 2150. C. densiflora (Soy.-Will.).— St. 
slender, nearly simple, yale green. Fl. in rather small distant 
clusters, whitish. Scales bifid, with 4 — 8 teeth on each lobe. 
Ventricose cor.-tube with 5 longitudinal prominences ; segm. 
ventricose. Styles at first erect, soon bowing outwards ; 
stigmas converging. — Parasitical upon Flax and very injurious 
to the crop. A. VIII. Flax Dodder.] E. S. I. 
2. C. EjyUhytnum (Murr.) ; st. ttvining irregularly, cor.-tube 
cylindrical, scales converging usually equalling the tube of the 
