Provincial Museum of Natural History. 33 



Arceuthobium — Continued. 



A. tsugensis Rosendahl. 



Locally distributed, Vancouver Island, west coast. 



ARISTOLOCHIACEiE (Birthwort Family). 

 ASABUM (Wild Ginger). 



A. caudatum Lindl. 



Vancouver Island — Comox ; Albernl; Salitlam. 



POLYGONACE^ (Buckwheat Family). 



OXYRIA. 



O. digyna (L.) Hill. (Mountain Sorrel.) 



Rare. Mount Arrowsmitb, V.I., W. R. Carter. 



Polygonum ( Knotweed ) . 



P. amphibium L. (Willow Weed.) 



(Jenerally distributed, Vancouver Island. 

 P. amphibium var. Hartwrightii (Gray) Bissell. 



Locally distributed, Vancouver Lsland — Colquitz River. 

 P. aviculare L. (Door Weed.) 



Common. Vancouver Island. , 



var. vegetum Ledeb. (Knot Grass.) 



Generally distributed, Vancouver Island. 

 P. buxiforme Small. 



Locally distributed, Victoria, V.I., Macoun. 

 P. Convolvulus L. (Bindweed.) 



Common. Vancouver Island. 

 P. Douglasii Greene. (Douglas' Knotweed.) 



Locally distributed', southern half of Vancouver Island — Comox ; Alberni ; 



Cameron Lake. 

 P. emersum (Michx.) Britt. 



Locally distributed, Vancouver Island — Comox. 

 P. Fowleri Robinson. (Fow'ler's Knotweed.) 



Locallj' distributed, Vancouver Island— ^Victoria. 

 P. Hydropiper L. (Smartweed.) 



Common. Vancouver Island. 

 P. hydropiperoides Michx. (Wild Water-pepper.) 



Vancouver Island^ — Beaver Lake. 

 P. lapathifolium L. (Pale Persicaria.) 



Locally distributed, Tasu Harbour, Queen Charlotte Islands. Vancouver 



Island — Comox; Cowichan River; Sidney. 

 P. minimum S. Wats. 



Rare. Mount Benson, V.I., Macoun. 

 P. Nuttallii Small. 



Rare. Mount Mark, V.I., Macoun; Cowichan Lake, V.I. 

 P. paronychia C. & S. 



Locally distributed, southern half of Vancouver Island — Comox ; Victoria. 

 P. Persicaria L. (Lady's Thumb.) 



Generally distributed, Vancouver Island. 

 P. rubescens Small. 



Locally di-stributed, Victoria, V.I., Macoun. 

 P. sachalineuse S. Schmitt. 



Locally distributed, Vancouver Island — Sidney; Mayne Island. 

 P. spergularifefoi'me Meisn. 



Common. Vancouver Island. 

 3 



