SPECIES AND VARIETIES. 51 



G. anglica: shrub, thorny; leaves ovate or lanceolate; 

 flowers yellow, succeeded by short inflated pods. — Petty Whin. 

 — Moist boggy heaths. Fl. May, June. 



(33) Sarothamnus. Broom. 

 S. scoparius : shrub ; branches erect, strait, wiry, angled ; 

 leaves ternate, the upper ones simple; flowers large, bright 

 yellow, axillaiT. — Dry gravelly thickets. Fl. May, June, 



(34) Trifolmm. Clover. 



T. subterraneum : annual ; stem short, decumbent ; leaflets 

 obovate; heads lateral, stalked, few-flowered, the peduncles 

 becoming lengthened after flowering, and the heads buried 

 in the earth; flowers long and slender, almost white. — Dry 

 pastures and heaths. Fl. May. 



T. sufibcatum: annual; stems short, decumbent; leaflets 

 obovate; heads dense, lateral, sessile; flowers minute, closely 

 sessile, inconspicuous. — Sandy sea-coasts. Fl. May to July. 



(35) Vicia. Vetch. 



V. sativa : annual or biennial ; leaves pinnate, tendrilled ; 

 flowers axillary, sessile, solitary or in pairs, large reddish - 

 purple ; calyx gibbous at the base on one side ; seeds smooth. 

 — There are several forms. — Cornfields and cultivated ground. 

 Fl. May, June. 



V. lathyroides : annual or biennial ; leaves pinnate, ten- 

 drilled; flowers axillary, sessile, solitary, smaller than in V. 

 sativa, purple ; calyx equal at the base ; seeds granulated. — 

 Dry pastures and roadsides. Fl. April, May. 



(36) Arthrolobium. 



A. ebracteatum : annual ; stems slender, with axillary pe- 



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