218 DIADELPH. DECAND. 



** Flowers more or less capitate. 

 t Legumes naked, many-seeded. 



2. Tr. ornitlwpodioides (Bird's-foot Trefoil), legumes naked 

 subternate with about 8 seeds twice as long as the cal., leaf- 

 lets obcordate toothed at the extremity, stems decumbent. 

 Lightf. p. 403. E. B. t. 1047. 



HAB. Dry sandy pastures, but rare. At Maitland Bridge, between 

 Edinb. and Musselburgh, Lightf. Fisherrow and Musselburgh 

 Links, Maugh. F/.June. . 



Stems spreading, 3 5 inches in length. Flowers sm&]\, rose coloured. 

 Legumes long, and not according with the genus j hence it has been 

 placed by Decandolle in the Fl. Gall., and by my myself in the 

 Fl. Lond., with the Trigonella , but the cor. does not correspond 

 with that genus. 



ft Legumes covered by the Cal., many -seeded. 



3. Tr. reptns (white Trefoil., or DtitchClover), heads umbellate, 

 legumes with four seeds, cal. teeth unequal, leaflets obcordate 

 serrulate, stem creeping. Lightf. p. 404. E. B. t. 1769. 



HAB. Meadows and pastures, common. Fl. summer months. 1L . 



Heads of flowers white ; each flower on a footstalk, which becomes re- 

 curved after flowering, and then all the legumes are drooping and 

 covered with the withered, brown cor. This is the Dutch clover of 

 the agriculturists, and in great repute for pastures. The leaflets 

 have a dark spot at the base, and a white line bordering it near the 

 middle. 



ftf Legumes covered by the Cal., I -seeded. 



*- Cal. (hairy), riot iirftated after flowering. Standard of the Cor, 



deciduous. 



4. Tr. pratense (common purple Clover), " heads dense ovate, 

 lower tooth of the cal. shorter than the tube of the monope- 

 talous unequal cor., leaflets oval nearly entire, stem ascend- 

 ing," IVilld. Lightf.p.m. E. B. t. 1770. 



HAB. Meadows and pastures, frequent. Fl. summer months. J^ . 

 Flowers reddish purple. This is the common clover, so much culti- 

 vated for hay. The leaflets have often a white lunulate spot. 



5. Tr. medium (Zigzag Trefoil), " heads lax somewhat globose 

 solitary, lower tooth of the cor. as long as the tube of the mo- 

 nopetalous nearly equal cor., leaflets elliptical minutely serrated 

 and striated with veins, stems branched zigzag," IVilLd. 

 Lightf. p. 406 (TV. alpestre). E. B. t. 190. 



HAB. Moist and shady places at the foot of the Highland mountains, 

 not unfrequent, Lightf. Sides of Glenhill Burn, near the church 

 of Kirkmichael, Dr. Burgess. 



Stem remarkably zigzag. Heads of flowers purple, larger than last, 

 and more lax. Leaflets spotless. 



6. Tr. arvense (Hare't-Joot Trefoil), heads very hairy subcylin- 



