TENDRIL - CLIMBERS 111 



two normal leaflets, and two or three pairs of leaflet- 

 tendrils and a terminal leaflet -tendril. The cobea, a 

 common garden elimber, has a similar arrangement. In 

 some cases tendrils are stipules, as probably in the green- 

 briars (smilax). 



229. The petiole or midrib may act as a tendril, as in 

 various kinds of clematis. In Fig. 166, two opposite leaves 



165. lu the sweet pea (and garden pea) the leaflets are tendrils. 



are attached at a. Each leaf is pinnately compound and 

 has two pairs of leaflets and a terminal leaflet. At b and 

 c the midrib or rachis has wound about a support. The 

 petiole and the petiolules may behave similarly. Examine 

 the tall -growing nasturtiums in the garden. 



230. TWINERS. The entire plant or shoot may wind 

 about a support. Such a plant is a twiner. Examples 

 are bean, hop, morning-glory, moon -flower, false bitter- 



