LACKAWANNA AND WYOMING FLORA. 59 



659. S. lucida, Muhl. SHINING WILLOW. Near the Susquehanna 

 above Falling Spring, and near Duryea. Dudley. 



660. S. FRAGILIS, L. A willow with light olive green smooth bark, 

 introduced and planted for the protection of the banks of streams. 

 Near the Susquehanna below Tunkhannock; by the R. R. below 

 Wilkes-Barre ; near Mocanaqua. Dudley. 



66 1. S. ALBA, L. Var. VITELLINA, Koch. Frequent in Wyoming Val- 

 ley; planted in private grounds, also found along streams. 



662. S. alba x. lucida (hybrid, the No. 844 of the Cayuga Flora) 9 

 Duryea, and along the Susquehanna. Dudley. 



663. S. BAfiYLONicA, Tourn. WEEPING WILLOW. Planted in Kings- 

 ton, etc. 



664. S. longifolia, Muhl. Near Kingston. Thurston. Sand bars 

 of the Susquehanna above Pittston. Dudley. 



665. S. rostrata, Richardson. Abundant on the Pocono Mts., Penob- 

 scot Knob, Mountain Inn road, etc. Dudley. 



666. S. discolor, Muhl. PUSSY WILLOW. Mountains in wet places, 

 and near the rivers, frequent. Dudley. 



667. S. humilis, Marsh. Frequent on the mountains, and the wooded 

 banks of streams in the valleys. One of the earliest willows. Dudley 



668. S. tristis, Ait. DWARF WILLOW. A small gray willow. E. of 

 Penobscot Knob ; opposite Duryea. Dudley. 



669. S. sericea, Marsh. SILKY WILLOW. Frequent in the Lack- 

 awanna Valley ; Pocono Mts.; lake E. of Glen Summit ; Penobscot 

 Knob; Atherton's Pond, etc. Dudley. 



670. S. petiolar,is, Smith. Banks of Moosic Lake abundant, and 

 probably elsewhere. Dudley. 



671. S. cordata, Muhl. HEART LEAVED WILLOW. Lackawanna 

 Valley; Wyoming Valley; lake east of Glen Summit, etc. Dudley. 



672. S. cordata x S. sericea. In the old bed of Toby's Creek above 

 Kingston. Thurston. 



673. S. myrtilloides, L. On the islands in L. Henry. 



POPULUS, TOURN. 



674. P. tremuloides, Michx. QUAKING ASPEN. Common. 

 675- P. grandidentata, Michx. Frequent. 



