502 PROCEEDINGS OF THE ACADEMY OF [Juiie, 



Local Distribution. — Restricted to the Appalachian and High- 

 lands Districts. 



Ecological Distribution. — A distinctively saxicolous species, 

 occurring, according to Morse, on bare rock surfaces, ledges and 

 thinl}^ grassed rocky soil. 



Locality Records. — 



Appalachian Region. — Lehigh Gap (Rehn). 



Highlands. — Newfoundland (Davis, N. J. St. Mus. Rep.). 



S. bolli Scadd. 



General Distribution. — Temperate North America, west to 

 Colorado and Manitoba. 



Local Distribution. — Occurs in the Appalachian District; very 

 local and only rarely frequent in the Piedmont Region ; more frequent 

 but local in the Middle and Coastal Districts; especially common 

 throughout the Pine Barrens. Not known to occur on the beaches. 



Ecological Distribution. — A typical sylvan species, frequenting 

 the grassy and scrubby undergrowth of dry woodlands. 



Locality Records.^ — 



Appalachian Region. — Enola, Rockville (Pa. 8t. Dept. Zool.) ; 

 Bella Sylva (Brown); S. Sterling (Long); Pike Co. (Long). 



Piedmont Plateau. — Valley Forge (Fox) ; Mt. Airy, frequent in 

 dry grasses and open scrub in deciduous woodland (Fox) ; Fern Hi.l 

 (Rehn and Hebard); Fairview (Rehn). 



Middle District. — Almonesson, scarce (Fox) ; Laurel Springs, 

 frequent (Fox); Jericho, common in sandy barrens (Fox); Canton, 

 in woods (Fox). 



Piiic Barrens. — Clementon, frequent (Fox) ; Penbryn (Fox) ; 

 Winslow, common in blueberr}^ scrub (Fox) ; Parkdale, common 

 (Rehn and .Heliard); Atsion (Hebard); between Cedar Grove and 

 Chatsworth (Rehn) ; Staffords Forge (Rehn, Rehn and Hebard) in 

 "pine woods undergrowth"; Manumuskin, in l)lueberry scruli of 

 open pine and oak woods (Fox); Belleplain, common in dry blue- 

 berry scrub (Fox) ; head of Tuckahoe River (Fox) ; Mt. Pleasant, 

 common in oak and pine woods; Formosa Bogs (Fox); Dennisville, 

 in dry, sandy woods (Fox). 



Cape May Interior. — Sea Isle Junction (Fox) ; Ocean View Ceme- 

 tery (Fox); S. Seaville, in wooded districts, common (Fox); South 

 Dennisville (Fox); Greenfield (Fox); Clermont (Fox); Swain 

 (Fox); Rio Grande (Fox); Bennett, not common, very local (Fox). 



S. coUare wyomingianum Thos. 



General Range. — Locally throughout the greater part of the 



