90 THE CAYUGA FLORA. 



number of cases, that the twigs do not disarticulate at the base, i.e., 

 they are "tough," while the twigs of .S". sericea have long been 

 known to be "brittle," (See Marshall, Arbustum Anter. 1785, p. 

 140; and Pursh, Flora Amer. Sept. 1X14, II, p. 616.) 



S51. S. sericea, Marshall. Silky Willow. (H. and C.i 



Low grounds ; common. Apr. 20-May 10. 



Case. Cr. below Eddy Pond. Fall Cr. and the borders of the lake- 

 marshes. Abund. at Preeville, Round Marshes, Beaver Cr. and else- 

 where. Dwarf forms with beautifully silky leaves at Summit 

 Marsh. The fusiform galls on the twigs very abundant anel broader 

 than in 5". longifolia. 

 852. S. humilis, Marshall, Low Willow. (H. and C.) 



Woods along the glens, anel frequent on the tops of the highest 

 hills. Apr. 15-30. 



Case. Woods. Fall Cr. Coy Glen. South Hill. High hills of 

 Dryden, Caroline, Dauby and Newfield. The delicate pink of the 

 young anthers is very characteristic. 



S53. S. cordata, Muhl. HkarT-LEAved Willow. (H.andC.) 



Low grounds and shores ; common. Apr. 20-May 10. 

 Variable in the appearance of pistillate catkin anel scales, and in 

 leaf ; also hybridizing freely. This species, .S". humilis and .S". dis- 

 color often produce galls in the form of cones at the enels of the 

 branches. 



854. S. cordata, Muhl. X S. sericea, Marsh. (S. myricoides, Muhl; — 

 Salix cordata, var. myricoides, of Gray's Man., p. 464, probably.) 

 Fall Cr. 011 the Circus Common. Near the heael of the lake. By 

 the R. R. south of Ithaca, anel elsewhere ; frequent. 



855. S. cordata, Muhl. X S. petiolaris, Marsh. 



West Danby valley. Certain forms from the Fall Creek Common 

 also seem to belong here. 



856. S. Candida, Willd. Hoary Wiuow. (H.andC.) 

 Sphagnum marshes or cold swamps ; rare. Apr. 25-May 10. 

 Fleming Meadow. Locke Ponel. Junius, [Sartwell H. and C. ) ! 



near Newton's and Lowery's Ponds. Larch Swamp, S. W. of Sa- 

 vannah, N. Y. 



857. S. incana, Schrank. X S. cordata, Muhl. ? nov. hyb. 



One cluster, spontaneous, on East hill, opposite residence of B. 

 G. Jayue. April 25-May 10. 



Detected, 1884 ; flowers collected May 2, 1SS5. 



Stem, shrubby, dark, reddish-brown, branchlets somewhat wool- 

 ly-canescent, not disarticulating at the base. Buds oblong, brown 

 or reddish brown, outer scales of the flowering buds separating into 

 parallel plates as in S. cordata, Muhl, and 5. Candida, Willd. 

 Leaves linear-lanceolate, numerous, 3-8 cm. long, 4-6 mm. broad 

 in the middle, tapering to a rather acuminate apex, and below into 

 short petiole, margin sharply and regularly glandular-serrulate, at 

 first white tonientose all over, soon nearly smooth anel rather 

 dark green above, glaucous anel more or less tonientose below. The 



