208 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Specimens examined: Big Creek Prairie, Lamb 1402; near Mount Rainier, Smith, 

 August, 1890; Lake Wenache, Sandberg dc Leibery 641; Blue Mountains, Piper 2426; 

 Davis ranch, Kreager 301. 



Zonal distribution: Canadian. 



LEPTORCHIS. 



1. Leptorchis loeselii (L.) MacM. Met. Minn. 173. 1893. 

 Ophn/s loeselii L. Sp. PI. 2: 947. 1753. 

 Liparis loeselii Richard, Mem. Mus. Par. 4: 60. 1818. 

 Tii'E i-ocALin-; ''Habitat in Sueciae, Borussiae paludibus." 

 Range: Washington to Nova Scotia, south to Missouri and Pennsylvania. 

 Specimens examined: Falcon Valley, Suksdorf, Juno 25, August, 1881. 



PERAMIUM. 



1. Peramiuni decipiens (Hook.). Ratilesnake plantain. 



Spiranthe-s decipiem Ikwk. Fl. Bor. Am. 2: 203. 1839. 



Goodyera menzie/di Lindl. Gen. & Sp. Orch. 492. 1840. 



Peramium meTtzifitii Morong, Mem. Torr. Club 6: 124. 1894. 



Type ixk'aliti-: Lake Huron. 



Ranue: British Columbia tt) Queln-cj south to California and New York. 



SPEtu.MENH examined: Clallaiu County, Elmer 2547; St^attle, /**/>«• in 1885; Cascade 

 Mountains, latitude 49°, L^dl in 1859 60; Kaihoad (^reek, Elmer 860; Nis<iually Valley, 

 Allen 32; Skagit Pass, Ijike cfc Hull 78(j; without locality, Vasey in 1889; Davis ranch, 

 Kreager 209; I^jike KalisjX'l, Kreager 340. 



2^NAL distuibution: Transition. 



LYSIAS. 



1. Lysias orbiculata (I'ur-sli) Rydberg in liritton, Man. 294. 1901. 



Orchis orbictdata Pui-sh, Fl. 2: .588. 1814. 



Ilabenaria orbiculata Hook. Exot. Fl. 2: i. 1^5. 1825. 



PlatantJiera inemieKii Lindl. Gen. & Sp. Orch. 286. 1835. 



Type ukamty: "On the mountains of Pennsylvania and Virginia." 



Range: British Columbia to Newfoundland, south to Washington and North Carolina. 



Speclmens examined: Mount Baker, Flett 867; Monte Cristo Lake, Misses Coffin & 

 Goodspeed, August, 1895; Ca-scade Mountains, latitude 49°, Lyall in 1859; Green River Hot 

 Splings, 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 nun. long; spur 8 to 10 mm. long 2. P. leptopetala. 



Spike dense; lip 6 mm. long; spur 15 to 18 mm. Ion 3. P. mvliijlora. 



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 cm. high 5. P. michaeli. 



1. Piperia unalaschensis (Spreng.) Rydberg, Bull. Torr. Club 28: 270. 1901. 

 Spiranthes unalaschensis Spreng. Syst. 3: 708. 1826. 

 Habenaria schischmareffiana Cham. Linnaea 3: 29. 1828. 

 Habenaria Joetida Wats. Bot. King Explor. 341. 1871. 

 Type locality: "Ins. Aleut," 



