80 HEXANDRIA POLYGYNIA. [Cl. 7. 



Rich mead., imported. If. 9. Bulb large. Fl. radical, leafless, 



purple, with a long white tube. 

 0. 20. 1432. If. 4, 5. Fl. greenish ivhite, elongated, abortive. 



HEXANDRIA POLYGYNIA. 



209. ALlSMA. Water-plantain. 



1. A. Plantdgo, 12. 837. (Greater W.) Leaves ovate, acute. Cap- 



sules obtusely triangular. 

 Watery pi. 11. 7. Stalk naked. Pan. in comp. whorls of purple fl. 



2. A. Damasonium, 23. 1615. (Star-headed W.) Leaves oblong ; 



heart-shaped at the base. Styles six. Capsules tapering. 

 Ditches, rare. If. 6, 7. Small ; with 1 or 2 whorls of white fl. 



3. A. ndtans, 11.755. (Floating W.) Leaves elliptical, obtuse. 



Flower-stalks simple. Capsules striated. 

 Mount, lakes, rare. If. 7, 8. Lower I. submersed, linear. Fl. white. 



4. A. ranunculoides, 5. 326. (Lesser W.) Leaves linear-lanceolate. 



Capsules numerous, angular, acute, in a globular head. Stem 

 none. — ,3. smaller, with creeping runners. Scapes mostly sin- 

 gle-flowered. Suppl. 2722. A. repens, E. Fl. 

 Swamps. Wales. If . 8. Fl. stalk round. Fl. whorled. 



Class VII. HEPTANDEIA. Stamens 7. 



Order I. MONOGYNIA. Style 1. 



210. TRIENTALIS. Cal. of 7 leaves. Cor. in 7 deep segments, 

 equal and flat. Caps, of about 7 valves. Seeds tunicated. — 

 N.O. Primulace^e. 

 Ulmus 4. 



HEPTANDRIA MONOGYNIA. 



210. TRIENTALIS. Chickwced Wintergreen. 



1. T. europcea, 1. 15. (European Chickweed W.) Leaves obovate- 

 oblong ; the lowermost very obtuse. 

 Woods and mount, heaths. If. 5, 6. Stem 3 or 4 in. crowned with 

 a tuft of smooth leaves and elegant white flowers. 



