TRIFOLIUM.] LEGUMINOS^. 101 



globose, outer bracts lanceolate as long as the cah T x, calyx-tube downy 

 above striate vesicular, 2 upper teeth enlarged and deflexed in fruit. 

 Meadows and ditches, from Fife southd. ; local in Scotland and Ireland ; 

 Channel Islands; fl. July- Aug. Perennial. Stems 6-12 in., creeping 

 Heads |-f in. diam. Flowers 5 in., rose-purple. Pod ovoid, compressed, 

 reticulate, 1-2-seeded. DISTRIB. Europe, N. Africa, W. Asia, N.W. India. 

 Habit when flowering of T. repens, but the large bracts and fruit are 

 widely different. 



SECTION 5. -ZTeacfemany-fld., axillary, globose, long-peduncled ; pedicels 

 short or 0, bracteate. Flowers at length pendulous. Calyx not inflated ; 

 throat naked ; teeth equal or upper shorter. Corolla yellow ; standard 

 persistent, enlarged and bent down over the fruit. Pod stalked, 1- rarely 

 2-seeded. Leaves pinnately or palmately 3- rarely 5-foliolate. 



15. T. procum'bens, L. ; stems pubescent, leaves more or less pinnately 

 3-foliolate, leaflets obovate or obcordate, heads many and dense-fld., 

 standard broad slightly convex arching but not folded over the pods. T. 

 agra'rium, Huds. Hop Trefoil. 



Pastures, roadsides, &c., from Eoss southd. ; ascends to 1,200 ft. in Derby ; 

 Ireland; Channel Islands ; fl. June- Aug. Annual. Stems 6-18 in., central 

 erect, lateral decumbent. Leaflets J-j in., toothed ; petiole J-f in., slender ; 

 stipules |-ovate, tip triangular, acute. Heads $- in. diam. Flowers pale 

 yellow, upper pedicelled. Calyx campanulate, upper teeth triangular, very 

 short ; lower longer, lanceolate. Standard J in., brown, shining. Pod 

 obovoid ; style hooked. DISTRIB. Europe, N. Africa, N. and W. Asia ; 

 introd. in N. America. This is the T. procum'bens of Linn. Herb. (Syme). 



16. T. du'bium, Sibth. ; nearly glabrous, leaves pinnately -.3-foliolate, 

 leaflets narrow-obovate or obcordate, heads dense-flowered, pedicels very 

 short, standard narrow keeled folded over the pod. T. procum'bens, L. (in 

 part), Huds. T. minus, Sm. 



Pastures, roadsides, &c., from Caithness southd. ; ascends to 1,350 ft. in Derby ; 

 Ireland ; Channel Islands ; fl. June- Aug. Annual. Stems 10-20 in., 

 straggling, slender. Leajiets truncate or notched, finely toothed ; petiole 

 very short, slender; upper part of stipules ovate, acuminate. Heads 4-20- 

 fld., much smaller than in T. procumbens ; peduncle long, very slender. 



. Flowers yellow, small, turning dark brown. Calyx and pod much as in T. 

 procum'bens. DISTRIB. Europe, N. Africa ; introd. in N. America. This 

 is the T.filiforme of various authors. 



17. T. filifor'me, L. ; sparsely hairy, leaflets obcordate or obovate, 

 heads axillary, peduncles slender, flowers few subracemose, pedicels as 

 long as the calyx-tube spreading or reflexed, standard keeled folded 

 over the pod. 



Dry pastures often near the sea, rare, from Eoxburgh southd. ; doubtfully N. of 

 it; Ireland; Channel Islands ; fl. June-July. Annual. Stems 4-8 in., very 

 slender, prostrate. Leaves pinnately or . digitately 3-foliolate ; upper part 

 of stipules ovate, acute. Leaflets -| in., toothed at the tip. Heads very 

 small, 2-6-fld. ; peduncle capillary. Flowers yellow. Calyx and pod much 

 as in the two last species. DISTRIB. Europe to the Caucasus. 



