251 
Alnus serrulata (Ait.) Willd. Sp. Pl. iv, 336 (1805); Betula serrulata Ait. Hort. Kew. 
ili, 338 (1789). 
Common on sand flats, Lapwai Agency, Nez Perces County ; May 5 (No. 133). 
SALICACEA,' 
Salix cordata Muhl. Neue Schrift. Gesell. Naturf. Freunde Berlin, 1v, 236 (1803). 
Common along streams, valley of Hatwai Creek, Nez Perces County; April 
24 (No. 39); April 28 (No. 70). Bottom lands, valley of Clearwater River, Nez 
Perces County; May 2 (No. 96), On Peter Creek, Nez Perees County; May 4, 
(No. 117). Canyons, valley of Lake Waha, Nez Perces County; May 21 (No. 
215), 
Salix flavescens scouleriana (Barratt) Bebb, nom. nov.; S, scouleriana Barratt; 
Hook. Fl. Bor, Amer. ii, 145 (18388), 
Woods, valley of Lake Waha, Nez Perces County; May 27 (No. 237). 
Salix lasiandra Benth. Pl. Hartw. 335 (1857). 
Banks of Hatwai Creek, Nez Perces County; April 28 (No. 69). River banks, 
Lapwai Agency, Nez Perces County; May 5 (No. 129). 
Salix lasiandra lancifolia (Andersson) Bebb, in Bot. Cal. ii, 84 (1880); Salix lanci- 
folia Andersson, Monogr. Sal. 34 (1863). 
River banks at Thompson Falls, Montana; August 28 (No. 1045). 
Salix lasiolepis Benth. Pl. Hartw. 335 (1857). 
Common on banks of streams, valley of Hatwai Creek, Nez Perces County ; 
April 28 (No. 71). 
Salix longifolia Muhl. Neue Schrift. Gesell. Naturf. Freunde Berlin, iv, 238 (1803), 
Common on banks of Hatwai Creek, Nez Perces County; April 30 (No. 80). 
Copses, Thompson Falls, Montana; August 27 (No. 978). 
Salix rostrata Richards. Bot. App. 753 (1823). 
Frequent on banks of Peter Creek, Nez Perces County; May 4 (No. 118). 
Populus trichocarpa Torr. & Gr.; Hook. Ie. Pl. ix, 878 (1852), 
Common along streams, valley of Clearwater River, Nez Perces County; April 
28 (No. 56). 
J 
ORCHIDACES. 
Calypso bulbosa (L.) Oakes, Cat. Verm. P1.28 (1842); Cypripedium bulbosum L. Sp. 
PI. ii, 951 (1753); Calypso borealis Salish. Parad. Lond. t. 89 (1807). 
The beard on the lip of the eastern form is yellow, but it is white on this. 
western plant. The latter may therefore be designated as forma oceidentalis, 
Deep canyons, Craig Mountains at Lake Waha, Nez Perces County; May 21 
(No, 211). Also valley of Clearwater River, Nez Perces County, and near south 
end of Lake Pend d’Oreille. . 
Corallorhiza corallorhiza (L.) Karst. Deutsch. F1. 448 (1880-83); Ophrys corallorhiza 
L. Sp. PL. ii, 945 (1753); Corallorhiza innata R. Br.; Ait. Hort. Kew. ed. 2, v, 209 
* (18138). 
In deep woods, scarce, Viola, Latah County; June 23 (No. 485). 
Corallorhiza multiflora Nutt. Journ. Aead. Phila. iii, 188, t.7 (1823). 
In deep canyons, Farmington Landing, Lake Ceeur d’Alene; July 5 (No. 552). 
Corallorhiza striata Lind]. Gen. & Sp. Orchid. 534 (1840). 
Frequent in canyons, Bald Knob, Cedar Mountain, Latah County; June 20 
(No. 460). 
' The Willows were determined by Mr. M. 8. Bebb, Rockford, Hl. 
17 
