52. POLEMONIACE. 215 
mediate bifid lobes, throat naked, cal. cylindrical with 5 keeled 
angles, 1. ovate lowermost broadly elliptical —E. B. 896.—St. 
erect, slightly branched, 2—6 in. high. Fl. bright blue.—Sum- 
mits of highland mountains, very rare. A. VIII. 8. 
4. G. verna (L.); cor. salvershaped 5-cleft with small inter- 
mediate bifid segments, throat naked, cal. with prominent angles 
and sharp teeth, 1. ovate lower ones crowded, st. cespitose single- 
flowered with 1 or 2 pairs of leaves.—E. B.493. St. 40. 12.— 
St. prostrate, rooting, each terminating in a roselike tuft of 1. 
and producing a single short flowering shoot. Fi. rather large, 
vivid blue.—Barren limestone districts. Teesdale, Durham. 
Burrin and between Gort and Galway, Clare. P. IV. E. I. 
5. G. Pneumonanthe (L.); cor. bellshaped 5-cleft, throat naked, 
cal. entire with lmear obtuse segments, fl. mostly solitary slightly 
stalked, 1. linear obtuse.—E. B. 20,—St. 4—10 in. high, leafy, 
simple, erect or ascending. Fl. very large, deep blue within and 
with a broad greenish band down the middle of each segment.— 
Moist turfy heaths. A. VIII. IX. 
[G. acaulis (L.) E. B. 1594. is not a native. ] 
[SWERTIA perennis (L.), which has 2 curious fringed glands 
at the base of each segment of the cor. (H. B.1441.), is said to 
have been formerly found in Wales. ] 
Suborder II. Menyanthidee. 
5. Vituarsia Vent. 
1. V. nympheoides (Vent.) ; 1. opposite roundly heartshaped 
floating wavy at the edges, peduncles aggregate 1-flowered, cor. 
ciliated. —E. B. 217. St.13. 4. Limnanthemum Griseb., Koch.— 
Floating. St. long, round, branched. L. resembling those of 
Nymphea alba but much smaller. Fl. yellow. Caps. sometimes 
3-valved.—Still places in rivers, rare. P. VII. VIII. E. 
6. MenyantTues Linn. 
1. M. trifoliata (L.).—E. B. 495. St. 8.—St. ascending, round, 
leafy. L. ternate. Leaflets equal, obovate, wavy. Clusters 
stalked, each opposite to a leaf, many-flowered. Cor. flesh-co- 
loured, densely bearded.—Boggy places. P.V.—VII. Buck- 
bean. 
Order LII. POLEMONIACE. 
Cal. inferior, 5-parted, persistent. Cor. hypogynous, regular, 
5-lobed. Stam. 5, unequal, on the tube of the corolla. vary 
