Flora of the Allegany State Park Region 119 



tered elsewhere on the wooded slopes and open places 

 of the park area and frequent on the bluffs and 

 benches of the Allegheny valley. 

 Nyssa sylvatica Marsh. Black Gum, Sour Gum, Pep- 

 peridge 

 In low moist or wet woods of the Allegheny valley 

 and infrequent along the drier slopes of the park 

 area. 



Gamopetalae 

 ERICACEAE (Heath Family) ' 

 Montorpa uniflora L. (figure 19). Indian Pipe, 

 Corpse Plant 

 Saprophytic on deep humus. Common in most 

 sections of the park area, but naturally absent on the 

 sandy and gravelly benches of the lower valleys and 

 from the conglomerate soils of the higher ridges. 

 Monotropa Hypopitys L. (figure 20). Pine-sap 



Saprophytic on sterile or acid humus of open 

 woods and thickets. Infrequent. Willis run, Butler 

 run etc. (M. lanuginosa Michx.) 

 Chimaphila umbellata (L.) Nutt. Prince's Pine, Pip- 

 sissewa 

 In sandy or gravelly acid soil of open woods and 

 thickets, chiefly on the conglomerate formation of the 

 higher ridges and summits, occasionally elsewhere. 

 Parker hill, Elko mountain. Blacksnake mountain etc. 

 Pyrola secunda L. Secund Shinleaf 



In moist or dry acid litter on gravelly soils along 

 or near the conglomerate formation on the higher 

 ridges, occasionally elsewhere. Frequent. 

 Pyrola elliptica Nutt. Elliptic-leaved Shinleaf 



In moist or dry woods, open places, thickets and 

 swamps. Common, and apparently in both sterile 

 and fertile soils and humus. 



