4-i Anxai.s oi' THK Carnegik Museum. 



* S. Virginiana Britton. Virginia spir^a. 



O'Hara Township, head of Darlington's Hollow, July 7, 1900; 

 W. X. Miller. 



ARUNCUS Adanson. 



■>" A. Aruncus (Linnxus). Goat's-beard. 

 Spirira A run cits Linnaeus. 



ULMARIA Hill. 



t U. rubra Hill, (^ueea of the prairie. 

 Spircea lobata (rronovius. 



OPULASTER Medicus. 

 PHYSOCARPUS Maximowicz. 



* 0. opulifolius , I.inn?eus). Xinebark. 

 P. opulifolius Maximowicz. 



PORTERANTHUS Britton. 



GILL EN I A Moench. 



'^ P. trifoliatus (Linnieus). Indian physic. 

 G. Irifoliata Mcench. 



'■- P. stipulatus (Muhlenberg). American ipecac. 

 G. stipulacea Moench. 



Moon Township, woods, McKee property, June, 1898. 



RUBUS Linnaeus. 

 -■'= R. odoratus Linnc-eus. Thimble-berry. 



'■> R. strigosus Michaux. Wild red raspberry. 

 Tarentum, foot of island, July, 1900. 



-•= R. occidentalis Linnaeus. Black raspberry. 



A yellow-fruited variety occurs in Moon Township, near Carnot. 



