Contributions la Canadian Bolant/. 85 



New variety first collected in 1878 near Lake Athabasca 

 by Prof, ^facoun, for whom it is named, and again by him 

 at the head of Lake Louise, i\oc'ky Mts., in 1891. 



(20.) E. HoRNEJ[ANNi, Eeichenb. 



Nearly all the refei'ences under E. origanifoUum, Lam., 

 Maconn'a Catalogue of Canadian Plants, p. 1G9, belong here. 



In one or other of its forms from Labrador to Vancouver 

 Island. 



(21.) E. ALPINUM, L. 



From Kicking Horse Lake to Vancouver Island. Gener- 

 ally found with the preceding species which it greatly 

 resembles. E. Hornemanni is " somewhat crisp-hairy in the 

 inflorescence and along the decui-i-eiit lines or slightly glan- 

 dular at top, otherwise glabrate " ; in E. alpinum the inflor- 

 escence and deciirrent lines are more nearly glabrous. In 

 the former species the seeds ai-e " rather abruptly short- 

 appendaged, from nearly'- smooth to very lOugh ;" in the 

 latter they are " smooth gradually alternated at apex with 

 very evident beak." 



(22.) E. Oreqonense, Hausskn. 



Borders of rivulets, .Swamp Eiver, B.C. (Macoun.) Only 

 Canadian station. 



(23.) E. ANAGALLiDiFOLiUM, Lam. 



Specimens in our herbarium are from Cape Chudleigh, 

 Hudson Strait. (Dr. Bell.) Rock}^ Mts. {Drummond.) Kick- 

 ing Horse Lake, Rocky Mts., and Mt. Benson, Vancouver 

 Island. (Macoun.) 



(24.) E. CLAVATUM, Trelease. 



A span high, mostly densely Civspitose, the slender stems 

 ascending, glabrate to sparingly glandular throughout ; 

 leaves 15 to 20 mm. long, divergent, broadly ovate, very 

 obtuse, subentire to remotely serrulate, mostly rounded to 

 evident petioles, firm, diying brownish ; flowers rather few, 

 suberect, petals rose-colored, about 5 mm. long; capsules 25 

 mm., subclavate arcuately divergent, the lowest often not 



