108 OBJECT LESSONS IN BOTANY. 



fig. 343. Tne White Wintergreen ( Ciiiogenes) ; it lias a procumbent stem 



above the ground at all, but only sending up leaves and 

 flowers with their stalks, as the Tulip. 



226. It is the nature of the stern to produce buds, as it is of 

 the root to produce none. At first the stem is itself a bud, 

 and as it grows it bears this bud always at the summit and 

 produces a new bud in the axil of every new leaf. 



Fig, 344. Poor-man's-weather-glass (Anagailis) ; it lias a decumbent stem. 



227. The stem has nodes and internodes. The joints where 

 the leaves severally come out are the nodes, and the portion 

 of stem between, the internodes. In the bud the internodes 

 are quite undeveloped, and the nodes close together ; but as 

 it develops into a regular leaf-stem, the internodes grow, and 

 the nodes with their respective leaves are separated. 

 f 228. But in some plants, the nodes only a^e developed, and 

 the axis never extends itself above ground, and covers itself 



225. What of the stem of Tulip ? 



226. What the nature of the stem with respect to buds? 

 327. Please tell us what are nodes and internodew 



