78 LEGUMINOSjE. [Trifulium. 



4. T. medium, Linn. Zigzag Trefoil. Spikes lax; stems 

 zigzag and branching ; petals nearly equal ; stipules tapering, 

 converging ; two upper calyx teeth rather the shortest. Br. Fl. 

 1. p. 329. E. Fl. v. iii. p. 302. E. Bot. t. 190. 



In dry elevated pastures and ditch banks, in a gravelly soil with a 

 clay bottom. Frequent in Antrim ; Mr. Templeton. On elevated 

 ground between Lame and Glenarm. Between Dunmanway and 

 Bandon ; Mr. J. Brummund. The plant that has been mistaken for 

 this growing near Dundrum, appears to be only a variety of T. pra- 

 tense. Fl. July. %.—Stem remarkably zigzag. Heads of flowers 

 larger than the last, deeper purple. Leaves spotless. Inferior in 

 point of quality to T. pratense, but better fitted to pasture on light 

 soils. 



5. T. maritimum, Huds. Teasel-headed Trefoil. Spikes 

 ovate, somewhat hairy ; stipules lanceolate, erect ; calyx teeth 

 after flowering dilated, leafy, and spreading ; leaflets obovato- 

 oblong. Br.Fl. 1. p. 329. E. Fl. v. iii. p. 303. E. Bot.t. 

 220. 



Dry sandy fields and ditch banks on the coast near Kilbarrick 

 Church, between Dublin and Howth, rather sparingly, it is also said 

 to have been found in salt marshes on the island of Lambay. Fl. June, 

 July. ©. — Three to six inches high. Stems spreading or decum- 

 bent, branched. Leaflets dark green, rather narrow. Floivers pale 

 purple. 



6. T. arvense, Linn. Hare's-foot Trefoil. Spikes cylindri- 

 cal, very hairy ; stipules lanceolate, bristle pointed ; calyx teeth 

 longer than the corolla, permanently bristle-shaped ; leaflets 

 linear-obovate. Br. Fl. 1. p. 329. E. Fl. v. iii. p. 305. E. 

 Bot. t. 944. 



Sandy fields, generally near the sea ; abundant near Baldoyle and 

 Portmarnock, near Cork, and .also ou the northern coast. Fl. July, 

 Aug. Q.— Plant pale green. Stem erect, branched, very hairy. Pe- 

 tioles shorter than the leaves. Flowers pale pink or white, almost 

 concealed by the very hairy culyx. 



7. T. scabrum, Linn. Rough rigid Trefoil. Heads sessile, 

 axillary, ovate; calyx teeth unequal, lanceolate, rigid; finally 

 recurved; stems procumbent. Br. Fl. 1. p. 330. E. Fl. v. iii. 

 p. 396. E. Bot. t. 903. 



Gravelly or dry sandy fields. Field near Sandymount and at Kil- 

 barrick Church. Fl. May, June. 0. — A small spreading plant, with 

 many terminal and axillary, sessile, ovate heads, very rigid in fruit. 

 Flowers white, very small. 



8. T. striatum, Linn. Soft-knotted Trefoil. Heads sessile, 

 axillary and terminal, ovate ; calyx elliptical, furrowed, hairy ; 

 with straight bristle-shaped teeth ; stems procumbent. Br. Fl. 

 1. p. 330. E. Fl. v. iii. p. 307. E. Bot. t. 1843. 



Dry fields. Gravelly bank at the Ram bog on the shore about a 

 a quarter of a mile above Carrickfergus ; Mr. Templeton, in June, 

 1-611. Fl. June. ©. — From four to ten inches long, more or less pro- 



