310 DIADELPHIA— DECANDRIA. Trifolium. 



teving 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 procuinhens, withlonger 

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

 spadiceum of Villars, not of Linna;us ; and T. n. 365 of Haller ; 

 but this fine jspecies is not a native of Britain. 



17. T. mmiis. Lesser Yellow Trefoil. 



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

 ard nearly even. Stems prostrate. Connnon footstalk 

 very short. 



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



V. 18. t. 1256. Hook. Scot. 220. 

 T.filiforme, Ehrh. Herb. 49. 

 T. filiforme /3. Fl. Br. 793. 



T. procumbens. Huds.32S. Curt. Lond.fasc.b. t.b3. 

 T. dubium. Sibth. 23\. Jbbot \63. 

 T. n. 364. Hall. Hist. v. 1. 159. 

 T. lupulinum alterura minus. Bail St/n. 330. /. 14./. 3. Hall. It. 



Helv. 1. sect. 13. 

 T. luteum minimum. Ger. Em. 1 18^■./. Lob. Ic. v. 2. 29./. 



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. Leaflets inversely heart-shaped, striated, toothed, smooth j 

 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 ; at length becoming brown and 

 deflexed. CaZ(/a:- ^ee^A 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. I.Jiliforme. Slender Yellow Trefoil. 



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

 wavy. Standard evei^. Stems prostrate. Leaflets all 

 nearly sessile. 



