704 REPORT OF STATE GEOLOGIST. 



S. humilis Marsh. Prairie Willow. 



Found in dry soil in open places, somewhat abundantly. A 

 shrub ranging from two to eight feet in height. 



Flowers in April and May. 



Laporte (Barnes); Putnam (MacDougal) ; Vigo (Blatchley) ; 

 Tippecanoe (Coulter) ; Hamilton (Wilson) ; Steuben (Bradner). 



S. tristis Ait. Dwarf Gray Willow. Sage Willow. 

 In dry soil throughout the State. 

 Flowers in March and April. 



S. discolor Muhl. Pussy Willow. Glaucous Willow. 



Generally distributed throughout the State, along streams and 

 borders of swamps in low, wet soil. Rarely exceeding 20 feet in 

 height and mor,e frequently a shrub of from 10 to 15 feet. Wood 

 soft and weak ; of no economic value. 



Flowers in March and April. 



Tippecanoe (Cunningham) ; Jefferson (Barnes) ; Vigo (Blatch- 

 ley) ; Kosciusko (Coulter) ; Clark (Baird and Taylor) ; Gibson and 

 Posey (Schneck) ; Knox (Spillman) ; Hamilton (Wilson) ; Steuben 

 (Bradner). 



S. sericea Marsh. Silky Willow. 



In marshes and along streams in the central part of the State. 

 Not common where it occurs. 

 Flowers in May and June. 



Decatur (Ballard); Hamilton (Wilson); Steuben (Bradner); 

 Floyd (Clapp). 



S. petiolaris J. E. Smith. Slender Willow. 



On low, moist, sandy banks in the southern part of the State. 

 Added to the list by Mr. Blatchley. Only occasionally found. 

 Flowers in April and May. 

 Vigo (Blatchley). 



S. Candida Fluegge. Hoary Willow. 



In the extreme northern part of the State in bogs and wet lands. 

 Found rather abundantly in its stations. 

 Flowering in May. 

 Xoble (Barnes) ; Lake (Hill) ; Steuben (Bradner). 



S. cordata Muhl. Heart-leaved Willow. 



In a few counties in rather sparing numbers, growing in low, 

 moist soils. More abundant southward. 

 Flowers in April and May. 

 Putnam (MacDougal) ; Vigo (Blatchley) ; Tippecanoe (Coulter). 



