PIPER FLORA OF THE STATE OF WASHINGTON". 81 



2. Polysucnum munitum (Kaulf.) Presl, Tent. Pterid. 83. 1836. 

 Aspidium munitum Kaulf. Enurn. Fil. 236. 1824. 



Type locality: "Habitat in California." Collected by Chamisso. 

 Range: Alaska to Idaho and California. 



Specimens examined: Clallam County, Elmer 2808; Montesano, Heller 4035; Seattle, 

 Piper, December, 1893; head of Twisp River, Whited 38; Blue Mountains, Piper, July, 1896. 

 Zonal distribution: Humid Transition. 



2a. Polystichum munitum imbricans (D. C. Eaton) Maxon, Fern Bull. 8: 30. 1900. 



Aspidium munitum imbricans D. C. Eaton, Ferns N. Am. 1: 188. 1879. 



Type locality: "In Plumas County" and "at Red Mountain, Mendocino County," 

 California. 



Range: Washington to California. 



Specimens examined: Clallam County, Elmer 2815; Peshastin, Sandberg cfe Leibey-g, July, 

 1893; Lake Chelan, Whited 1382; Horseshoe B&sm, LaJce <& Hull 662 ; Tumwater Canyon, 

 Sandberg cfe Leiberg 517; without locality, Vasey in 1889; Lake Chelan, Gorman 641. 



Zonal distribution: Canadian or Hudsonian. 



3. Polystichum lemjnoni Underw. Our Native Ferns, ed. 6. 116. 1900. 

 Type locality: "Near Mt. Shasta, California." 



Range: Alaska to California. 



Specimens examined: Mount Stuart, Elmer 1114; Sandberg <& Leiberg 812; Brandegee 

 1219. 

 Zonal distribution: Arctic. 



4. Polystichum scopulinum (D. C. Eaton) Maxon, Fern Bull. 8: 29. 1900. 

 Aspidium aculeatum scopulinum D. C. Eaton, Ferns N. A. 2: 125. 1880. 

 Type locality: "In the Upper Teton Canon in Eastern Idaho." 

 Range: Washington and Idaho to California. 



Specimens examined: Mount Stuart, Elmer 1113; Mount Adams, Henderson in 1883; 

 Horseshoe Basin, Elmer 707; west Klickitat County, Suksdorf 2084; Eatonville, Flett. 



Zonal distribution: Canadian to Hudsonian. 



Flett's Eatonville specimens were referred to P. californicum (D. C. Eaton) Underw., 

 but that species is not known to occur in Washington. 



DRYOPTERIS. 



Veins simple or once forked; leaves glandular 1. D. oreopteris. 



Veins freely forking. 



Indusia with marginal glands 2. D. spinulosa dilatata. 



Indusia without marginal glands 3. D. Jilix-mas. 



1. Dryopteris oreopteris (Sw.) Maxon, Proc. U. S. Nat. Mus. 23: 638. 1901. 

 Aspidium oreopteris Sw. Schrad. Journ. Bot. 1800-: 35. 1800. 

 Polypodium montanum Vogler, Dissert. Polyp. Mont. 1781, not Lam. 1778. 

 Type locality: European. 



Range: Alaska to Washington. Europe. Asia. 

 Specimens examined: Bridge Creek, j^Zmer 671. 

 Zonal distribution: Hudsonian. 



2. Dryopteris spinulosa dilatata (Hoffm.) Underw. Our Native Ferns ed. 4: 116. 



1893. Wood fern. 



Polypodium dilataium Hoffm. Deutsch. Fl. 2: 7. 1795. 

 Aspidium spinulosum dilatatum Hook. Brit. Fl. 444. 1830. 

 Type locality: Germany. 



Range: Alaska to Labrador, south to California, Montana, and Virginia. Europe. Asia. 

 Specimens examined: Clallam County, Elmer 2804; Montesano, Heller 3919; Samish 

 29418—06 M 6 



