Hitchcock — Opening of Buds of Some Woody Plants. 139 



leaves are successively larger and the stipules narrower. Ver- 

 nation straight but the leaves are considerably corrugated. 

 The five-ranked stipules correspond to the f phyllotoxv. 

 Young leaves very silky, purplish or pinkish. May 3d. 



Salix amygdaloides, Anders. Scales two, usually splitting 

 at the apex, the inner thin and membranous. Stipules hairy, 

 vernation straight. Apr. 21st. 



Salix cordata, Muhl. Bud is covered by one outer scale, 

 on the inner side of which is attached the two stipular mem- 

 branes which encircle the opening leaves at their base. Ver- 

 nation convolute. Apr. 21st. 



Populus monilifera, Ait. Scales mostly four, shining and 

 usually gummy, outer short and rounded, inner becoming 

 longer and more acute. First leaf normal, with two narrow 

 stipules, purplish tinged. Vernation involute. Apr. 25th. 



Smilax hispida, Muhl. Scales two, both next to the stem, 

 that is, in the axil of the young branch and probably homol- 

 ogous with the sheathing stipules. Leaves involute, the first 

 leaf bearing stipular tendrils. May 5th. 



