248 CREEPING WILLOW: GLAUCOUS WILLOW 



Thereon follow two leaves standing right and left. 

 The next leaf is anterior and begins the spiral. 



Salix purpurea is exceptional in that the succeeding 

 leaves may be opposite, though here also it may pass to 

 a spiral arrangement.] 



Jf Twigs prostrate, rooting at the nodes, 

 slender, not nodulose; budsand shoots 

 silky pubescent ; older buds and twigs 

 red or red-brown, glabrous. 



Salix repens, L. Creeping Willow. Buds equal in 

 size, long-ovuid, erect, appressed, pubescent, on slightly 

 projecting leaf-bases, pith angular. Older branches smooth, 

 glistening purple-brown or yellow. 



This small shrub varies considerably, but neither the 

 varieties nor the following rarer creeping species can be 

 dealt with in detail here ^. lanata, S. Lapponum, S. 

 Myrsinites, 8. reticulata, and S. herbacea, all of which 

 except the last two have densely silky or tomentose shoots 

 or buds. Strongly growing shrubs of S. repens have 

 ascending twigs, not rooting. 



Jfjf Twigs erect, long, slender, and withy 

 as a rule, or much branched. 



-=- Twigs, especially about the third 

 year, purple with a waxy bloom; 

 cortex bright yellow inside; buds 

 thin, flat, narrow and appressed. 



S. daphnoides, Vill. Glaucous Willow. Twigs passing 

 from pale olive-green, or green touched with red, to deep 

 claret-purple, quite glabrous but pruinose : tips of young 

 shoots with caducous silky puberulence ; buds pale reddish 

 to deep purple, very thin and flat, with parallel edges 

 giving them a chisel-shape, closely appressed on ledge- 



