The Flora of the Rocky Mountains. 173 



Dkaba nivalis Lilj. — Yellow Arctic Whitloio-grass — 

 Wolseley. June. 



Draba incana L. — Hoary Whitloiv-grass — Banff. June 



SOPHIA Adans. 



Sophia incisa (Engelm) Greene. — Western Tansy- 

 Mustard. — Canmore. June. 



Sophia Hartwegiana (Fourn.) Greene. — Hartivegs 

 Tansy -Mustard. — Canmore. June. 



ARABIS L. Sp. 



Arabis Virginica (L.) Trelease. — Virginia Hock-cress. 

 — Qu'Appelle Valley. June. 



Arabis humifusa (J.Vahl.) S.Wats. — Arctic Bock-cress. 

 — La^gan. June. 



Arabis patens Sulliv. — Spreading Bock-cress. — Winni- 

 peg. June. 



Arabis hirsuta (L.) Scop. — Hairy Bock-cress. — Calgary. 

 June. 



Arabis braghycarpa (T. & G.) Britton. — Ptirple Bock- 

 cress. — Qu'Appelle Valley. June. 



Arabis Holbcellii Hornem. — Holhcell's Bock-cress. — 

 Banff. June. 



ERYSIMUM L. Sp. 



Erysimum inconspicudm (S. Wats.) MacM. — Small 

 Erysimum. — Wolseley. June. 



Erysimum syrticolum Sheldon. — Sand Erysimum. — 

 Canmore. June. 



Erysimum asperum D.C. — Western Wallflower. — Cal- 

 gary. June. 



CAPPARIDACE.^ Lindl. 



CLEOME L. Sp. 



Cleome serrulata Pursh. — Pink Cleome. — Broadview. 

 June. 



