50 SPRING FLOWERS. 



O. corniculata : annual^ procumbent, branched ; peduncles 

 axillary, supporting an umbel of yellow flowers. — Waste 

 ground. Fl. May to October. 



(29) Acer. Maple. 



A. campestre : tree ; leaves 5-lobed_, with obtuse, entire or 

 sinuate lobes; flowers in loose erect corymbs; wings of the 

 carpels diverging horizontally. — Hedges and thickets. Fl. 

 May, June. 



A. Pseudo-platanus : tree ; leaves larger, 5-lobed, the lobes 

 toothed ; flowers in pendent racemes ; wings of the carpels 

 ^parallel or but slightly divergent. — Sycamore. — Hedges and 

 plantations. Fl. May. 



(30) Polygala. Milkwort. 



P. vulgaris : stems diffuse or ascending ; leaves obovate 

 below, oblong-lanceolate above ; flowers racemed, blue, pink, 

 or white. — Gravelly and heathy pastures. Fl. May to Sep- 

 tember. 



(31) Ulex. Furze. 



U. eiiropseus : shrub ; branches erect, the numerous short 

 branchlets all ending in a thorn, the leaves generally reduced 

 to thorns ; flowers large, yellow, in showy racemes, intermixed 

 with thorns, the calyx very hairy. — Whin or Gorse. — Sandy 

 heaths and commons. Fl. March to July. 



(32) Genista. Green Weed. 

 G. pilosa : shrub, without thorns ; leaves obovate or lan- 

 ceolate, hairy; flowers yellow, succeeded by narrow flattened 

 hairy pods. — Sandy and gravelly heaths. Fl. May and Sep- 

 tember. 



