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-platamis : 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. MJLKWORT. 



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. europseus : 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. 



