PIPER FLORA OF THE STATE OF WASHINGTON. 397 



Specimens examined: Kennewick, Piper; Morgans Ferry, Suksdorf 314; Walla Walla to 

 Fort Colville, Lyall in 1860; Almota, Piper. 

 Zonal distribution: Upper Sonoran. 



la. Opuntia polyacantha b.orealis Coulter, Contp. Nat. Herb. 3: 436. 1896. 

 Opuntia missouriensis microsperma Engelm. & Bigel. Pac. R. Rep. 4: 46. 1856, not 



0. mesacantha microsperma Engelm. 



Type locality: "On the Missouri about Fort Pierre." 



Range: British Columbia to Oregon and South Dakota. 



Specimens examined: Whidby Island, Gardner, July, 1897; Sucia Island, Randolph. 



Zonal distribution: Humid Transition. 



2. Opuntia fragilis (Nutt.) Haw. Suppl. PI. Succ. 82. 1819. 



Cactus fragilis Nutt. Gen. 1: 296. 1818. 



Type locality: "From the Mandans to the mountains, in sterile but moist situations," 

 probably in North Dakota. 



Range: South Dakota to British Columbia and Colorado. 



Specimens examined: Rock Island, Chelan County, Sandberg & Leiberg 444, July 13, 

 1893. 



Zonal distribution: Probably Upper Sonoran. 



CACTUS. 



1. Cactus sp. indet. 



Specimens examined: Sentinel Bluffs, Cotton, July 14, 1903; Wenache Mountains, Cot- 

 ton 1570; Near Egbert Springs, according to Leiberg. 

 Zonal distribution: Upper Sonoran. 

 This species is quite certainly new, but can not be satisfactorily described at present. 



ELEAGNACEAE. Oleaster Family. 

 LEPARGYREA. 



1. Lepargyrea canadensis (L.) Greene, Pittonia 2: 122. 1890. Buffalo berry. 



Hippophae canadensis L. Sp. PI. 2: 1024. 1753. 



Shepherdia canadensis Nutt. Gen. 2: 240. 1818. 



Type locality: "Habitat in Canada." 



Range: Alaska to Newfoundland, southward to Oregon, Utah, and New York. 



Specimens examined: Fairhaven, Henderson, July 2, 1892; Piper 2806, September, 

 1892; Whidby Island, Gardner 264; Easton, Henderson, June 11, 1892; Semiamoo Bay, 

 Lyall in 1858-59; without locality, Vasey in 1889; Fidalgo Island, Flett 2117; Conconully, 

 Whited 1326; Griffiths <& Cotton 316; Box Canyon, Kreager 400. 



Zonal distribution: Transition and Canadian. 



In Gorman's paper on the Washington Forest Reserve appears the name Lepargyrea 

 argentea. Mr. Gorman informs me, however, that the plant is really L. canadensis. 



LYTHRACEAE. Loosestrife Family. 



Calyx tube cylindric, striate Lytiirum. 



Calyx tube campanulate. 



Capsule bursting irregularly Ammannia. 



Capsule septicidally dehiscent Rotala. 



LYTHRUM. 



1. Lythrum hyssopifolia L. Sp. PI. 1: 447. 1753. 

 Type locality: "Habitat in Germaniae, Helvetiae, Angliac, Gallia inundatus." 

 Range: Maine to New Jersey. Washington to California. Introduced from Europe. 



