208 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
SPECIMENS EXAMINED: Big Creek Prairie, Lamb 1402; near Mount Rainier, Smith, 
August, 1890; Lake Wenache, Sandberg & Leiberg 641; Blue Mountains, Piper 2426; 
Davis ranch, Kreager 301. 
ZONAL DISTRIBUTION: Canadian. 
LEPTORCHIS. 
1. Leptorchis loeselii (L.) MacM. Met. Minn. 173. 1893. _ 
Ophrys loeselii L. Sp. Pl. 2: 947. 1753. 
Liparis loeselii Richard, Mem. Mus. Par. 4: 60. 1818. 
Tyre cocatity: “Habitat in Sueciae, Borussiae paludibus.”’ 
Range: Washington to Nova Scotia, south to Missouri and Pennsylvania. 
SPECIMENS EXAMINED: Falcon Valley, Suksdorf, June 25, August, 1881. 
PERAMIUM. 
1. Peramium decipiens (Hook.). RATTLESNAKE PLANTAIN. 
Spiranthes decipiens Hook. Fl. Bor. Am. 2: 203. 1839. 
Goodyera menziesii Lindl. Gen. & Sp. Orch. 492. 1840. 
Peramium menziesii Morong, Mem. Torr. Club 5: 124. 1894. 
Tyre Locatity: Lake Huron. 
Rance: British Columbia to Quebec, south to California and New York. 
SPECIMENS EXAMINED: Clallam County, Elmer 2547; Seattle, Piper in 1885; Cascade 
Mountains, latitude 49°, Lyall in 1859-60; Railroad Creek, Elmer 860; Nisqually Valley, 
Allen 32; Skagit Pass, Lake & Hull 786; without locality, Vasey in 1889; Davis ranch, 
Kreager 209; Lake Kalispel, Kreager 340. 
ZONAL DISTRIBUTION: Transition, 
LYSIAS. 
1. Lysias orbiculata (Pursh) Rydberg in Britton, Man. 294. 1901. 
Orchis orliculata Pursh, Fl. 2: 588. 1814. 
Habenaria orbiculata Hook. Exot. Fl. 2: ¢. 145. 1825. 
Platanthera menziesii Lindl. Gen. & Sp. Orch. 286. 1835. 
Type Locatity: “‘On the mountains of Pennsylvania and Virginia.”’ 
RanGeE: British Columbia to Newfoundland, south to Washington and North Carolina. 
SPECIMENS EXAMINED: Mount Baker, Flett 867; Monte Cristo Lake, Misses Coffin & 
Goodspeed, August, 1895; Cascade Mountains, latitude 49°, Lyall in 1859; Green River Hot 
Springs, Piper in 1887; without locality, Vasey in 1889; Kalispel Lake, Kreager 342. 
ZONAL DISTRIBUTION: Canadian. , 
PIPERIA. 
Spur short, slightly exceeding the lip .-............-......-.------ 1. P. unalaschensis. 
Spur slender, 2 to 3 times as long as the lip. 
Lip linear to lanceolate. 
Spike loose; lip 4 to 5 mm. long; spur 8 te 10 mm. long.... 2. P. leptopetala. 
Spike dense; lip 6 mm. long; spur 15 to 18 mm. Jon..___.. 3. P. multiflora. 
Lip ovate to ovate-lanceolate. 
Spike usually loose; stems 40 to 70 cm. high-.............- 4. P. elegans. 
Spike very dense; stems stout, 20 to 30 em. high...._...-- 5. P. michaeli. 
1. Piperia unalaschensis (Spreng.) Rydberg, Bull. Torr. Club 28: 270. 1901. 
‘Spiranthes unalaschensis Spreng. Syst. 3: 708. 1826. 
Habenaria schischmarefiiana Cham. Linnaea 3: 29. 1828. 
Habenaria foetida Wats. Bot. King Explor. 341. 1871. 
Type Locauity: ‘Ins. Aleut.”’ 
