374 



FOXINDATIONS OF BOTAlfY 



reproduce the plant. EitKer roots or rootstocks may travel 

 considerable distances horizontally in the course of their 

 growth and then shoot up and produce a new plant, which 

 later becomes independent of the parent. The sedges (Fig. 

 43) are excellent illustrations of this process, and trees 



of lawns 



Kg. 263. — Plant ol a Black A A 1^ 



Raspberry, showing One and. gardens by 



Branch (Stolon) with Several ggnding Up SprOUtS 

 Tips rooting. o x i. 



in many places. When growing 

 wild, such trees as these depend largely upon spreading 

 by the roots to keep up their numbers.^ 



443. Dispersal of Seed-Plants by Branches. — There is a 

 shrub of the Honeysuckle Family,^ common in the northern 

 woods, which is quite generally known as hobble-bush, or 

 witch-hobble, and sometimes as trip-toe. This is because 

 the branches take root at the end and so form loops which 

 catch the foot of the passer-by. The same habit of growth 

 is found in the raspberry-bush (Fig. 263), in one species of 

 strawberry-bush (lEuonymus), and some other shrubs. Many 

 herbs like the strawberry-plant and the cinquefoil send 



^ See Beal's Seed Dispersal, Chapters II and in. 

 2 Viburnum lantanoides. 



