SUPPLEMENT TO THE FLORA OF MONTANA. 95 



Belton, Aug. 21, 1903, L. M. Umbach, 723; Big Fork, Aug. 11, 

 1901, L. M. Umbach, 143; Summit, Sept. 12, 1902. 



Pyrola secunda pumila, Paine. Smaller than the type; the lat- 

 ter found mainly west of the Divide ; frequent. 



Lower Basin of the Gallatin, 6000 ft., July 7, 1898; Spanish Basin, 

 Aug. 25, 1899; Middle Cr. Canyon, 6506 ft., July 31, 1902; Gould, 

 Oct., 1902, Owen Byrnes, 71; Indian Cr., July 21, 1897, 8000 ft., 

 Rydberg & Bessey, 4646; Jack Cr. Canyon, July 15, 1897, 7000 ft., 

 Rydberg & Bessey, 4644. 



Vaccinium caespitosum arbuscula, Gray ; V . arbuscula, Howell, 

 Fl. N. W. Am. 411. Our form has narrow, oblanceolate, acute leaves, 

 but appears to belong here. Forms appear to pass into V. myrtil- 

 Icridcs, Hook., with which Rydberg seems to have placed it. 



Evaro, June 8, 1902 ; Gallatin Co., Mrs. M. L. Alderson ; Belt Park, 

 Aug. 16, 1886, R. S. Williams, 538. 



Vaccinium Canadense, Kalm. In open woodlands. 

 Belton, Aug. 19, 1903, L. M. Umbach ; Aug. 19, 1902. 



Vaccinium crythrococcum, Rydberg, Flora, 301 ; V. Myrtillus micro- 

 phyllitm, Hook. Must give place to V. scoparium, Leiberg, below. 



Vaccinium Myrtillus, L. Frequent in the mountains, but at 

 <i somewhat lower altitude (5-8000 ft.) than V. scoparium, Lieberg, 

 with which it intergrades. 



Porcupine Cr., Crazy Mts., 8000 ft., July 18, 1902; Tobacco Root 

 Range, 8000 ft., Aug. 9, 1902 ; Columbia Falls, Aug. 30, 1895, R. S. 

 Williams, 492; Belt Park, Aug. 13, 1886, R. S. Williams, 492. 



Vaccinium scoparium, Leiberg, Cont. Nat. Herb. 5: 103; V. 

 cr \thrococcum, Rydberg. Common on shady mountain slopes. 



PRIMULACEyE. 



Primula Americana, Rydberg, Bull. Torr. Bot. Club, 28:500. 

 Separated from the European P. farinosa, L. 



Erythraea Douglasii, Gray. Big Horn River near Custer Sta- 

 tion, Aug. 24, 1890. 



Frasera speciosa angustifolia, Rydberg, Bull. Torr. Bot. Club, 

 31 : 632. "Lima, 1895, Shear, 3369." 



