60 



Juglans 'laurifolia, Knowlton. 



The 1898 collection from the Red Deer river containa a single specimen referable to 

 this species. 



Juglans nigella, Hear, 

 Bib : Geol. Surv. Can., 1875-76 : Tert. Fl., 235 : Fl. Foss. Alask., 38. 



The earliest Canadian knowledge of Juglans nigella was derived from collections from 

 Quilchena in 1875, and at that time Sir William Dawson regarded the leaves as allied to J. 

 bilinica. 



This species has been recognized by Lesquereux in the Fort Union group of Montana 

 and the Bad Lands of Dakota ; also by Heer in the Tertiary of Port Graham, Alaska. 



Juglans oceidentalis, Newb. 



Bib: Trans. R.S. C, VIII, 1902, iv. 46 : Lat. Ex. Fl., XXXV, 84, pi, LXV, f. 1 ; LXVI, 

 f. 1-4 : Proc. IJ. S. Nat. Mus., V, 507. 



Three specimens of Jw^Zans oceidentalis were obtained from the Horsefly river in 1906 

 and similar specimens had also been secured from the Red Deer river in 1898. Newberry 

 also records it (rom the Eocene of Green river, "Wyoming. 



Juglans rhamnoides, Lesq. 



Bib : Trans. R. S. C, IV, 1886, iv, 34 : Tert, Fl, VII, 264 ; Cret. and Tert. Fl., VIII, 235. 



The only recent record of this plant is from the Tranquille river in 1906, but Sir 

 William Dawson noted it as occurring in the Lignite Tertiary of Porcupine creek and Great 

 valley in 1-86. It is also found at Point of Rocks, Wyoming ; Spring canyon, Montana and 

 Black buttes, Wyoming, formations which have been regarded by Lesquereux as Upper 

 Laramie or Lignite Tertiary. It is also a constituent of the Miocene flora of the Bad Lands. 



Juglans rugosa, Lesq. 



Bib : Trans. R. S. C, IV, 1886, iv, 19-34 : Tert. Fl., 286. 



Juglans rugosa has been obtained from the Lignite Tertiary of Porcupine creek and 

 Great valley, in Canada. It also occurs somewhat widely distributed throughout the western 

 United States at Cherry creek, Oregon; Lassen county, California; Wickliffe, Kentucky; 

 Evanston and Black buttes, Wyoming, and in the Denver group of the Bozeman coal-fields, 

 Montana, and Golden, Colorado. 



Juglans schimperi, Lesq. 



Bib : Trans. R. S. C, IV., 1886, iv, 19-34 : Tert., Fl., 287. 



The occurrence of this species in the Lignite Tertiary of Porcupine creek is the only 

 Canadian record, but it is found in the Green River group at Green river, Wyoming, and in 

 the Denver group of Golden, Colorado. 



Larix johnseni, Schroter. 



Bib : Flor. Foss. Arct, VL, 1880, 15. 



The only reference to this wood is contained in the account by- Schroter of the woods 

 collected by Sir John Richardson from Great Bear river, Mackenzie basin and among the 



