367 
P. Torreyi, S. Watson, Am. Naturalist, vii. 664 (1873). 
Utah, near River Canon, 10,500 feet (Watson, 1058), Wah- 
satch Mountains, 8,000 feet (Jones, (1221); Idaho (Kootani Co. 
(Heller), Washington, Yakina region (Tweedy). 
59. POLYGONUM KELLOGGH, Greene, Fl. Fran. 134 (1891). 
California: Mountains near Donner Lake (according to 
Greene). 
60. POLYGONUM INTERMEDIUM, Nutt. in S. Watson, Proc. Am. 
Acad. xvii. 378 (1882). 
Oregon; Bridal Veil, Multnomah Co. (Suksdort); Bluffs of 
the Columbia River (Pringle); Cape Horne (Howell); Vancouver 
Island (Macoun). 
61. POLYGONUM IMBRICATUM, Nutt. in S. Watson, Am. Nat. 
vii. 665 (1873). 
California: Donner Lake (Torrey, 426 a), Green Horn mount- 
ains, Kern Co. (Palmer, 64); Washington: Falcon Valley and 
Skamania Co. (Suksdorf), Yellowstone Park, Mt. Evarts, 8,000 
feet (Tweedy); Utah: Alta Wahsatch Mountains, 10,000 feet 
(Jones, 1 105), Parley’s Park, 6,500 feet (Watson, 1062 and 1063) ; 
Nevada: East Humboldt mountains, 9,500 feet (Watson, 1062 
and 1063). 
62. POLYGONUM POLYGALOIDES, Meisn. in D.C., Prodr. xiv. 
IOI (1856). 
Oregon and Washington (U. S. S. Pac. Ex. Expedition, 533 
bis), also on the Koorkoorhea river: Spokane Co. (Susksdorf) ; 
Montana; Beaver Head Co. (Tweedy, 104). 
63. PoLyGoNuM BOLANDERI, Brewer, in A. Gray, Proc. Am. 
Acad. viii. 400 (1872). : 
California: Napa Valley (Bolander, 18 ; Brewer, 854, Pringle), 
and in the Valley of the Sacramento. 
SECTION VI. DURAVIA. 
64. POLYGONUM CALIFORNICUM, Meisn. in D.C. Prodr. xiv. 100 
1856). 
lt RS (Hartweg, 1944), Sacramento river (Nevius), Don- 
ner Lake, 7,500 feet (Greene 439), Milton (Parry 247), Napa 
(Bolander, 2643); Oregon: Grant's Pass (Howell). : 
65. PoLYGoNUM GREENEI, S. Watson, Proc. Am. Acad. xvi. 
295 (1879). 
