83 
Genus 6. Villarsia. 
V. nymphasoides. Fringed Water-lily. Fig. 821. 
Leaves floating, heart-shaped. Petals fringed. Pools and slow rivers. 
Perenn. Aug. Yellow. (^) E.B.X.217. E.B. 2.281. H.fyArn. 
279. Bab. 223. Lind. 180. 
Genus 7. Swertia. 
S. perennis. Marsh Felwort. Fig. 822. 
Flowers erect, corymbose. Root-leaves ovate. Mountain bogs; a 
doubtful native. 8 in.-l ft. Perenn. Aug. Blue, (f) E.B. 1.1441. 
E.B. 2. 372. Lind. 179. 
Order LVI. POLEMONIACEAE. 
Genus 1. Polemonium. 
P. cleruleum. Jacob's Ladder. Fig. 823. 
Leaves pinnate. Calyx longer than the tube of the corolla. Bushy 
places ; rare. 1 ft. Perenn. May and June. Pale blue or white, 
(f) E. B. 1. 14. E. B. 2. 295. H. Am. 279. Bab. 224. Lind. 108. 
Order LVII. CONVOLVULACEAE. 
Genus 1. Convolvulus. 
C. arvensis. Small Bind-weed. Fig. 824. 
Stem climbing or trailing. Leaves arrow-shaped. Bracts minute. 
Hedge-banks; abundant. Perenn. June and July. Pink. 
E. B. 1.312. E. B. 2. 290. H. Am. 280. Bab. 224. Lind. 167. 
C. Sepjum. Great Bind-weed. Fig. 825. 
Stem climbing. Leaves arrow-shaped. Bracts very large, heart- 
shaped, close. Hedges and ditch-banks; abundant. Perenn. July 
and Aug. White. (§) E.B. 1.313. E.B. 2. 291. H. ^ Am. 281. 
Bab. 224. Lind. 167. 
C. Soldanella. Sea Bind-weed. Fig. 826. 
Stem trailing. Leaves angular, kidney-shaped. Bracts large, ovate, 
close. Sandy shores ; local. Perenn. July. Rose-colour, (g) E.B. 1. 
314. E.B. 2.292. H.fyArn. 281. Bab. 225. Lind. 167. 
Genus 2. Cuscuta. 
C. europaea. Greater Fodder. Fig. 827. 
A twining thread-like plant, without leaves. Segments of corolla 
reflexed. Stamens without scales. Parasitic on thistles and other 
plants. 2 ft. Ann. August. Reddish. (-§) E.B. 1.378. E.B. 2. 
370. II.fyArn. 281. Bab. 225. Lind. 168. 
C. Epithymum. Common Fodder. Fig. 828. 
Twining, without leaves. Stamens with a fringed scale at the base. 
Parasitic on Heath and Thyme ; common. 4 in.-l ft. Perenn. Aug. 
Reddish, (f) E. B. 1. 55. E. B. 2. 371. II. Am. 282. Bab. 225. 
Lind. 168. 
C. Epilinum. Flax Fodder. Fig. 829. 
Flower-heads on short peduncles, with a broad ovate bract. Corolla- 
segments erect. A variety of europcea ? 2 ft. Ann. Aug. Reddish, 
(f) E. B. Sapp. 2850. II. fy Am. 282. Bab. 225. Lind. 329. 
Order LVIII. BORA GIN ACEiE. 
Genus 1. Echium. 
E. vulgare. Viper-grass. Fig. 830. 
Leaves lanceolate. Plant covered with stiff prickly hairs. Flowers 
in short lateral spikes. Dry fields. 1-1 g ft. Bienn. June-Aug. Blue, 
(fj E. B. 1. 181. E. B. 2. 274. II. Am. 283. Bab. 229. Lind. 163, 
M 2 
