CATALOGUE OF CANADIAN PT.ANTS. 355 



(195Y.) U. holosericea, Nutt.; Macoun, Cat., III., 431. 



The specimens referred here in Part III., 431, belong to U. Lyallii. 

 GuicLon Creek, Nicola Valley, B.C. {Dawson.') In wet places at 

 Vernon at the head of Lake Okanagan, B.C. 1889. {Macoun.) 



548. MYRICA. 



(1970.) M. Gale, Linn.; Macoun, Cat., IIL, 434. 



This species is common along lake margins in northern British 

 Columbia ; along Burnaby Lake, near New Westminster, and very 

 common on Vancouver Island, {Macoun.) 



550. ALNUS. 



(1983.) A. rubra, Bongard ; Macoun, Cat, III., 437. 



Frances Lake, Lat. 61°, N.W.T. 1887. {Dawson.) Along the 

 Thompson Eiver at Spence's Bridge, B.C. ; shore of Home Lake, 

 Vancouver Island. {Macoun.) 



553. CORYLUS. 



(1989.) C. rostrata, Ait., var. Californica, A.DC., Bot. Calif, 

 II., 101. 



Very common at Sicamous and Salmon Arm, Shuswap Lake ; and 

 Agassiz, B.C.; common on Vancouver Island at Goldstream. 1887. 

 {Macoun.) 



554. QUERCUS. 



(1992.) Q. Carryana, Douglas ; Macoun, Cat. Ill,, 440. 



Since the publication of Part III., the question has been raised 

 whether E, Brown's Q. Jacohi is a good species or not. In August, 

 1887, I collected fine specimens of the oak on Sir James Douglas's lawn 

 in Victoria, Vancouver Island, upon which Mr. Brown founded his 

 species. Part of these specimens wei'e submitted to Professor Sargenti 

 and by him referred to Q. Garryana. I had collected specimens of the 

 oak on other parts of the island, and could see no difference between 

 them, so I fully agreed with Prof. Sargent that Mr. Brown's species 

 could not stand. 



In March last (1890), Eev. E. L. Gi-eene, Berkeley, Cal., asked me to 

 send him specimens of the Vancouver Island Oak. I did so ; and he 



