310 DIADELPHIA— DECANDRIA. Trifolium. 



tering the legume, which is small, elliptical, pointed at each end. 

 Seed solitary, kidney-shaped. 

 For the real T. agrarium of Linnaeus, see Ehrh. Herb. 29, Dick- 

 son's Dried Plants n. 80, and Barrel. Ic. t. 1024. This is al- 

 ways upright, much larger than the procwnbens, withlonger 

 Jlower- stalks, and very large heads ; being T. aureum of Pollich j 

 spadiceum of Villars, not of Linnaeus ; and T. n. 365 of Haller j 

 but this fine species is not a native of Britain. 



17. T. 7?iinus. Lesser Yellow Trefoil. 



Heads hemispherical. Flower-stalks straight, rigid. Stand- 

 ard nearly even. Stems prostrate. Common footstalk 

 very short. 



T. minus. Relh. 290. Fl. Br. 1403. Comp.ed. 4. 124. Engl. Bot. 



v.]8. t. 1256. Hook. Scot. 220. 

 T. filiforme. Ehrh. Herb. 49. 

 T. filiforme /3. FLBr.793. 



T. procumbens. Huds.32S. Curt. Land. fasc. b. i. 53. 

 T. dublum. Sibth. 23\. Abbot 163. 

 T. n. 364. Hall. Hist. v. \. ] 59. 

 T. lupulinum alterum minus. Rail Sijn. 330. i. 14./. 3. Hall. It. 



Helv. \. sect. 13. 

 T. luteum minimum. Ger. Em. 1 186./. Lob. Ic. v. 2. 29. f. 



In dry gravelly fields and pastures, with the last. 



Annual. June, July. 



Root small, its fibres often furnished with little knobs. Stems nu- 

 merous, procumbent, scarcely branched, round, a little hairy, 

 usually from 3 to 9 inches long ; but in the larger variety, Engl. 

 Bot.f. 1, extending to 2 feet, and stouter, more brittle and suc- 

 culent. Common footstalks generally very short, except those 

 near the root, while the partial-stalk of each central leaflet is 

 much more considerable than in the preceding or following spe- 

 cies. Leajiets inversely heart-shaped, striated, toothed, smooth 3 

 the lateral ones almost sessile. Stipulas half-ovate, veiny, acute. 

 Flower-stalks axillary, straight, firm and rigid, longer than the 

 leaves. Fl. from 12 to 15 in each little hemispherical head, al- 

 most perfectly sessile, yellow 5 at length becoming brown and 

 deflexed. Calyx-teeth very unequal, hairy towards the points. 

 Standard obscurely, if at all, furrowed, narrower than in T. pro- 

 cumbens. Legume obovate, as long as the faded corolla, which 

 it fills. -Seed 1, rarely 2. 



18. T.Jiliforme, Slender Yellow Trefoil. 



Clusters lax, of few flowers. Common-stalks capillary, 

 wavy. Standard even. Stems prostrate. Leaflets all 

 ^nearly sessile. 



