Ord. 3.] HEXANDRIA TRIGYNIA. 79 



5. R. pulcher, 22. 1576. (Fiddle Dj Petals permanent, toothed ; 

 one principally bearing a tubercle. Radical leaves fiddle-shaped. 

 Stem smooth, straggling-. 

 Gravelly past. %. 8. Stem often procumbent. Clust. leafy. 

 C. R. maritimus, 11. 725. (Golden D.) Petals permanent, triangular, 

 tuberculated, fringed with taper teeth. Leaves linear. Whorls 

 crowded. 

 Marshes near the sea. If.. 7, 8. Clust. uninterrupted, of a golden 

 hue. L. narrow. 



7. R. palustris, 27. 1932. (Yellow Marsh D.) Petals permanent, 



lanceolate, tuberculated, toothed at the base. Leaves linear- 

 lanceolate. Whorls distinct. 

 Ditches. %. 7, 8. Clust. interrupt, tawny. Bad. leaves very large. 



8. R. Hydroldpathum, R. aquaticus, 20. 2104. (Great Water D.) 



Petals permanent, ovate-oblong, nearly entire, unequally tuber- 

 culated. Leaves lanceolate ; acute at each end. Whorls rather 

 crowded, almost entirely leafless. 

 Ditches& riv. 1£. 7,8. About5f L. slightly glauc. lower ones 1 — 2/! 



** Flowers separated. 



9. R. Acetosa, 2. 127. (Common Sorrel.) Flowers dioecious. Leaves 



oblong, arrow-shaped. Permanent petals tuberculated. 

 Mead, and past. 1£. 6. Stem 1—2/ erect. Pan. branched, reddish. 



10. R. Acetosella, 24. 1674. (Sheep's S.) Flowers dioecious. Leaves 



lanceolate, hastate. Permanent petals without tubercles. 

 Dry gravelly fields. If. . 6, 7. Not half the size of the last, slender. 



205. TOFlELDIA. Scottish Asphodel. 



I. T. palustris, 8.536. (Marsh Scottish A.) Flowers in an ovate 

 head. Stem smooth, thread-shaped, leafless. Petals obovate, 

 obtuse. Germens roundish. 

 Mountain rills. !(■ • 8. Stem solit. 4 — 5 in. L. sword-sh. Fl. small. 



206. SCHEUCHZERIA. Scheuchzeria. 



1. S. palustris, 26. 1801. (Marsh Scheuchzeria.) 



Spongy bogs, very rare. 2£.6. Root creeping. Stem a span high . 



207. TRlGLOCHIN. Arrow-grass. 



1. T. palustre, 6. 366. (Marsh A.) Capsule nearly linear, of three 



cells ; tapering at the base. Root fibrous. 

 Watery pi. ^. 7. L. linear, channelled. Stalk \f simple, naked. 



2. T. marttimum, 4. 255. (Sea A.) Capsule ovate, of six cells. 

 Muddy salt-marshes. 2£. 5 — 8. Leaves broader and more fleshy . 



208. CoLCHICUM. Meadow-saffron. 



1. C. autumnalc, 2. 133. (Common M.) Leaves flat, lanceolate, erect. 

 Segments of the corolla oblong. 



