52. POLEMONIACE^. 223 



St. prostrate, rooting, each terminating in a roselike tuft of 1. 

 and producing a single short flowering shoot. Fl. rather large, 

 vivid blue. — Barren limestone districts. Teesdale, Durham. 

 Burrin, Clare ; and between Gort and Galway. P. IV.— VI. 



E.I. 



.5. G.Pneumonanthe{L.); cor. bellshaped5-cleit,t}iroat naked, 

 cal. entire with linear obtuse segments,^, mostly solitary slightly 

 stalked, I. linear obtuse. — E. B. 20.— St. 4—10 in. high, leafy, 

 simple, erect or ascending. Fl. very large, deep blue within and 

 with a bioad greenish band down the middle of each segment. — 

 Moist turfy heaths. A. VIII. IX. E. 



[G. acaulis (L.) E. B. 1594. is not a native.] 



ISWERTIA perennis (L.), which has 2 curious fringed glands 

 at the base of each segment of the cor. {E. B. 1441.), is said to 

 have been formerly found in Wales.] 



Suborder II. Menyanthidece. 



5. ViLLARSiA Vent. 



1. V.nymplicBoidesiyent.); 1. opposite roundly heartshaped 

 floating wavy at the edges, peduncles aggregate 1-flowered, cor. 

 eiliate. — E. B. 217. Limnanthemum Griseb., Koch. R. xvii. 

 1042. — Floating. St. long, round, branched. L. resembling 

 those of Nymphcea alba, but much smaller. Fl. yellow. Caps, 

 sometimes 3-valved. — Still places in rivers, rare. P. VII. VIII. 



E.I. 



6. Menyanthes Linn. Buckbean. 



1. M. trifoliata (L.). — E.B. 495. — St. ascending, round, leafy. 

 L. ternate. Leaflets equal, obovate, wavy. Clusters stalked, 

 each opposite to a leaf, many-flowered. Cor. flesh-coloured, 

 densely bearded. — Boggy places. P. V. — VII. 



Order LIT. POLEMONIACEiE. 



Cal. inferior, 5-parted, persistent. Cor. hypogynous, regular, 

 6-lobed. Stam. 5, unequal, on the tuVie of the corolla. Ovary 

 3-celled. Stigmas 3-fid. Caps. 3-celled, 3-valved ; valves sepa- 

 rating at the axis. 



1. PoLBMONiUM. Cal. 5-fid. Cor. rotate, with a short tube 

 and 5-lobed limb ; throat nearly closed by the dilated bases 

 of the filaments.— G. F. G. Gam. i. 62. 



