42 Flora of Vancouver and Queen Charlotte Islands. 



Die EXTRA. 



D. formosa (Audr.) DC. (Bleeding Heart.) 

 Common. Vancouver Island. 



CRUCIFER.® (Mustard Family). 



Arabis (Kock Cress). 



A. Brewer! Wats. 



Locally distributed, Tzouhalem. V.I. ; Strathcona Park, V.I. 

 A. Drummondii Gray. (Drummond's Rock Gress.) 



Locally distributed nortb of Cowicban Lake, V.I. 

 A. glabra (L.) Bernb. (Tower Mustard.) 



Generally distributed, Vancouver Island. 

 A. hirsuta (L.) Scop. (Hairy Rock Cress.) 



Generally distributed, Vancouver Island; Queen Cbarlotte Islands. 

 A. holbcellii Horuem. (Holboell's Rock Cress.) 



Victoria, V.I., Macoim. 

 A. Hookeri Lange. 



Rare. Cowicban Lake, V.I. 

 A. lyrata L. var. occideutalis Wats. (Lyre-leaved Rock Cress.) 



Locally distributed, Vancouver Island — Cowicban Lake. 



Atpiysanus. 



A. pusillus (Hook.) Greene. 



Locally distributed, soutbern end of Vancouver Island' — Mount Finlayson ; 

 Observatory Hill. 



Barbakea (Winter Cress). 



B. americana Rydb. 



Locally distributed, Cowicban River, V.I. 



B. ortboceras dolicbocarpa Fernald. (Bitter Cress.) 



Generally distributed, Queen Charlotte Islands; Vancouver Island. 



B. vulgaris R. Br. (Yellow Rocket.) 



Generally distributed, Queen Cbarlotte Islands; Vancouver Island; Tri- 

 angle Island. 



Brassica (Mustard; Turnip). 



B. alha Gray. (White Mustard.) 



Common. Vancouver Island. 

 B. arvensis (L.) Ktze. (Charlock.) 



Common. Vancouver Island. 

 B. campestris L. (Turnip.) 



Common. Vancouver Island. 

 B. nigra (L.) Koch. (Black Mustard.) 



Common. Vancouver Island. 

 B. Rapa L. (Turnip.) 



Common. Escaped from cultivation, Sidney, V.I. 

 B. sinapistrum Boiss. (Wild Mustard.) 



Locally distributed, Victoria, V.I. 



Cakile. 



C. edentula (Bigel.) Hook. (Sea Rocket.) 



Locally distributed, coast of Vancouver Island— Victoria; Long Beach; 

 Ucluelet; Ahousat. 



