99 
Orprr LXIW. VERBENACE AS. 
Genus 1. VERBENA. 
V. OFFICINALIS. Common Vervain. Fig. 981, 
Stem erect, hispid. Leaves lanceolate, deeply cut or serrated, some- 
times trifid. Flowers in slender panicled spikes. Waste places ; com- 
mon. 1-2 ft. Perenn. July. Lilac. (2) 2. B.1.767. FE. B. 
2.883. H. & Arn. 335. Bab. 264. Lind. 196. 
Orprer LXIV. LENTIBULARIACE A. 
Genus 1. Pineurcuna. 
P. vutcaris. Butterwort. Fig, 982. 
Leaves in a tuft at the root. Flowers solitary. Spur cylindrical, as 
long as the petal. Segments of the calyx oblong. Bogs. 4-6 in. 
Perenn, Juneand July. Purple-blue. (2) 2#.B.1.70. E. B. 2,25. 
H. § Arn, 335, Bab.264. Lind. 186. 
P. GRANDIFLORA. Large-flowered Butterwort. Fig. 983. 
Spur cylindrical, as long as the nearly regular petal. Segments of 
the calyx ovate. Marshes; rare. 6-8in. Perenn. May. Blue. (2) 
&. B.1. 2184. #. B. 2. 26. HH. & Arn. 336. Bab. 264. Lind. 186. 
P. aupina. Alpine Butterwort. Fig, 984. 
Spur conical, slightly curved, shorter than the petal. Flower-stalks 
smooth. Alpine bogs. 4—-6in. Perenn. June. Pale yellow. (2) 
L, B. Supp. 2747, EH. B. 2, 24*. H.§ Arn. 336. Bab. 264. Lind. 331. 
P. wusiranica. Pale Butterwort. Fig. 985. 
Spur blunt, shorter than the petal. Flower-stalks hairy. Flowers 
nearly regular. Bogs; local. 4-6 in, Perenn. June. Pale blue. 
(f) #.B.1.145. #. B. 2.24, H. §& Arn.336. Bab. 264. Lind. 186. 
Genus 2. UrricuLaRia, 
U. vunearis. Bladderwort. Fig. 986, 
Stems submersed. Leaves pinnate, with numerous segments. Spur 
conical. Upper lip of corolla as long as the palate. Stagnant water. 
Perenn. July and Aug. Yellow. (2) #. B.1.253. #. B. 2. 27. 
H. § Arn. 337. Bab. 265. Lind. 186. 
U. InTERMEDIA. Fig. 987. 
Spur conical. Spike 2- or 3-flowered. Upper lip twice as long as 
the palate. Water; rare. Perenn. June-Sept. Yellow. (2) #. B. 
1, 2489. #. B. 2.28. H. §& Arn, 337. Bab. 265. Lind, 186. 
U. minor. Small Bladderwort. Fig. 988. 
Spur keel-shaped. Spikes with several flowers. Pools on moors. 
Perenn. June-Sept. Yellow. (2) #. B. 1. 254. #, B. 2, 29. 
HH. § Arn. 337. Bab. 265. Lind. 187. 
Orprr LXV. PRIMULACEA. 
Genus 1. Horronta. 
H. pautustris. Water Violet. Fig. 989. 
Stems submersed. Leaves pectinated. Flowers in whorls around an 
upright stalk. Clear water. Perenn, June. Pale lilac. (§) £. B. 
1.364. #.B,. 2.282. HH. Arn. 338. Bab. 267. Lind. 185, 
Genus 2. PRIMULA. 
P. vuncaris. Primrose. Fig. 990. 
Leaves obovate, tapering to the base. Pedicels usually sessile, smgle- 
flowered. Banks and thickets ; abundant. 6-8 in. Perenn. March-— 
May. Pale yellow. (3) #.B.1.4. #&.B. 2.275. HS drn. 339. 
Bab, 266, Lind, 184. 
o 2 
