52. polemoniacejB. 243 



1. ovate lower ones crowded, st ccsspitose single-Jlowei-ed with 1 

 or 2 pairs of leaves.—^. B. 493. iS^. 40. 12.— St. prostrate, 

 rooting, eacli ending in a roselike tuft of 1. and a single sliort 

 flowering shoot. M. rather large, vivid hlue. — Barren lime- 

 stone districts. Teesdale, Durham. Burrin, Co. Clare ; Gort, 

 Galway, Tuam, &c. P. IV.— VI. E. I. 



** Cor. heUshaped, its throat nahed. 



5. O. Pneumonan'the (L.) ; cor. 6-oleft, cal. entire with linear 

 blunt lobes, _^. mostly solitary slightly stalked, I. linear blunt. — 

 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. E. 



Suborder II. MenyanthecB. 



5. Limnan'ihemttm Qm. 



1. L. nympJusoides (Link) ; 1. roundly heartshaped floating 

 wavy at the edges, ped. clustered 1-fi., cor. ciliate. — Villarsia 

 Vent. E. B. 217. B.. xvii. 1042.— Floating. St. long, round, 

 branched. L. resembling those of Nymphcea alba, but much 

 smaller. Fl. yellow. Caps, sometimes 3-valved. — StOl places 

 in rivers, rare. P. VII. VIII. E. 



9. Mentak'ihes Linn. Buckbean. 



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

 L. temate. Leaflets equal, obovate, wavy. Kaceme long- 

 stalied, opposite to a leatj many-flowered. Oor. flesh-coloured, 

 densely fringed within. — Boggy places. P. V. — VII, E. S. I. 



Order LII. POLEMONIACE^. 



Cal. inferior, 6-parted, persistent. Cor. hypogynous, regular, 

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

 3-celled. Stigmas 3-±id. Caps. 3-celled, 3-valved; valves 

 separating at the axis. — No stipules. 



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

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

 of the filaments. 



1. PoLBMo'sriTTM: Linn. Jacob's Ladder. 



1. P. c<sriileum (L.) ; st. angular, 1. glabrous pinnate, leaflets 



M 2 



