152 



FIELD AND WOODLAND PLANTS 



The Wild Clematis. 



'iiU' Btuc.K Mustard. 



of the twisted leaf- 

 stalks. The leaves are 

 opposite, pinnate, with 

 three or five stalked, 

 ovate or cordate leaflets ; 

 and the flowers are in 

 loose, axillary or ter- 

 minal panicles. The 

 latter have four green- 

 ish - white sepals ; no 

 petals ; numerous sta- 

 mens ; and many one- 

 seeded carpels, each of 

 which, when ripe, is 

 tipped by the persistent 

 style that has become 

 very long and feathered. 

 The Common Hedge 

 Mustard [Sisymbrium 

 officinale — order Cruciferce) 

 is a very common roadside 

 plant, with stems and leaves 

 so closely set with hairs that 

 they effectually hold the 

 dust. It bears small, yellow 

 flowers, which appear during 

 June and July ; and it may 

 be easily distinguished from 

 alUed plants by its long and 

 narrow, downy, tapering 

 pods, which He close against 

 the stem. Its stem grows 

 from one to two feet high, 

 and is freely branched. 



The Felix Weed [S. 

 Sophia) of the same genus is 

 moderately common, grows 

 to about the same height, 

 and bears small, greenish- 

 yellow flowers from June to 

 August. The stem of this 



