Shai KR : Vascular I-iora ok Aij.kghknv County. 96 



|] P. emersum (Michaux). Swauij) jiersicaria. 



Davis Island. Shore at head of island, August, 1898. 



* P. Virginianum Linncous. Virginia knotweed. 



^■' P. arifolium Linn.-eus. Halberd-leaved tear-thvuiib. 



Stowe Township, swamp near Turner Station, Sei)t. 15, 1899. 



* P. sagittatum I,inn;^us. Arrow-leaved tear-thumb. 



* P. convolvulus I,inn;\;us. Black bindweed. 



* P. scandens Linnaeus. Climbing false buckwheat. 



* P. cilinode Michaux. i'ringed black bindweed. 



FAGOPYRUM Ga^rtner. 



* F. Fagopyrum (Linnaeus). Buckwheat. 



ARISTOLOCHIACEiE Blume. 

 BIRTHWOKF FAMILY. IV-13. 



ASARUM Linnsus. 



* A. Canadense Linnaeus. Wild ginger. 



Moon Township, among rocks, Laschell's Hollow, .April 20, 

 1899. 



* A. reflexum Bicknell. Short-lobed wild ginger. 



Our commonest form, seems to belong here. 



ARISTOLOCHIA I.innccus. 



* A. Serpentaria Linna;us. X'irginia snakeroot. 



* A. macrophylla Lamarck. Dutchman's pij^e. 

 A. Si/>/i(j L'Heritier. 



