36 FLORA OF WORCESTER COUNTY. 



Liparis Richard. Twayblade. 



liliifolia (L.) Richard. In rich woods, not common. 



Loeselii (L.) Richard. 



Spencer. Miss A. E. Tucker. 



SALICACEjE (WILLOW FAMILY). 



Salix (Tourn.) L. Willow. 



nigra Marsh. Black Willow. 



Along streams and ponds. 

 lucida Muhl. Shining Willow. 



Along roadsides in wet places. 

 fragilis L. Crack Willow. 



Worcester. Mr. T. E. N. Eaton. 



alba L. White Willow. In moist soil, scarce. 



alba, var. vitellina (L.) Koch. 



Southbridge. Mr. L. E. Ammidown. 

 cordata Muhl. 



Worcester. Mr. T. E. N. Eaton. 

 pedicellaris Pursh. 



Leicester. 



discolor Muhl. Glaucous Willow. * Common. 



humilis Marsh. Prairie Willow. Not common, 



tristis Ait. Dwarf Gray Willow. 



Uxbridge. Dr. Thomas Morong. 



sericea Marsh. Silky Willow. Common. 



rostrata Richards. 



Princeton. W. W. B. and J. F. C. 



Populus (Tourn.) L. Poplar. Aspen, 

 tremuloides Michx. American Aspen. 



In rich woods, common. 



