JOHNSON: A REVISION OF THE' SECTION BORAPHILA 13 



(USNH 768658) ; Rocky Mountain alpine flora, lat. 2>T-AV, 1862, Hall and Harbour 

 Park County, alt. 2,860-3,400 m., September 14, 1915, W, W. Eggleston No. 11968 

 No. 207 (MBG 8424). 



New Mexico : Santa Fe Mountains, F. H. Snow (USNH 216133) ; along brook 

 in aspen grove, vicinity of Ute Park, Colfax County, alt. 2,900 m., August 31, 1916, 

 Paul C. Standley No. 14134 (USNH 896966) ; Mogollon Mountains, on or near the 

 west fork of the Gila River, Socorro County, alt. 10,000 ft, O. B. Metcalfe No. 515 

 (USNH 495522, UMH, MBG 8450) ; Ponchuila Creek, Pecos River National Forest, 

 alt. 8,600 ft, July 4, 1908, Paul C. Standley No. 4187 (USNH 498560) ; Pecos River, 

 August 8, 1898, G. E. Coghill No. 157 (MBG 84505) ; Hermit Peak, August, 1883, 

 F. H. Snow (MBG 776662) ; Rocky Mountains, 1864, C. C. Parry (MBG 84016). 



Saxifraga davurica Willd., Sp. PI. 2:645. 1799. 

 Saxifraga punctata Pallas, Reise 3 :731. 1776. 

 Rohertsonia davurica Haw., Saxifr. Enum. 56. 1821. 

 Micranthes davurica (Willd.) Small, N. Am. Fl. 22:2:143. 1905. 

 (Plate IV.) 



Distribution. — Alaska, from Point Barrow or beyond to Kotzebue Sound and 

 Bering Strait; in Siberia westward to Lake Baikal and Dauria. 



Specimens examined : 



Alaska: Camp 3, ten miles east of Cape Sabine, July 30, 1904, Chester Wash- 

 burne (USNH 421207, without name, USNH 421208, USNH 421209— all under same 

 date). 



"Habitat in summis alpibus Davuriae sub nive," Willd. I.e. 



"Crescit in montibiis Sibiriae summis, nivalibus et in angulo maxime orientali 

 Asiae," Pallas 20:47. The specimens enumerated above do not have the long petioles 

 figured in Pallas' drawing (Tom. 3, Table P, p. 47, Fig. 2) although the petioles of 

 specimen USNH 421207 are somewhat longer than those of the other two. No mature 

 fruit is figured in Pallas' plate. 



Saxifraga Lyallii Engler, Verb. Zool.-Bot. Ver., Wien. 19 :542. 1869. 

 Saxifraga dahurica Lyall, in Herb, of the Royal Gardens, Kew. (Un- 

 verified. See Engler, Monogr. Saxifr. 141, 1872). 



Saxifraga LyaUii Var. laxa Engler, Monogr. Saxifr. 142. 1872. 

 Micranthes Lyallii (Engler) Small, N. Am. Fl. 22:2:143. 1905. 



A taller, more slender species than the other members of the CuneifoU- 

 atae. The leaves are more rounded and flabellate, having broader teeth, 

 and longer, narrower petioles. Five-carpelled flowers are not uncommon 

 (Plate IV). 



Distribution. — From the Malaspina Glacier and Yakutat Bay, Alaska, to Montana 

 and Idaho. 



The southern limits of the range of this species are rather indefinite. 

 Small (27) gives the distribution as "Alaska and the Bering Sea region to 

 Alberta, British Columbia, and Montana." Engler's (5) distribution reads: 

 *'Auf den rocky mountains unter 49° n.B. um 2,000 m. Fort Colville 



