PIPER—FLORA OF THE STATE OF WASHINGTON. 81 
2. Polysticnum munitum (Kaulf.) Presl, Tent. Pterid. 83. 1836. 
Aspidium munitum Kaulf. Enum. Fil. 236. 1824. 
Type Locauity: ‘Habitat in California.’’ Collected by Chamisso. 
Rance: Alaska to Idaho and California. 
SPECIMENS EXAMINED: Clallam County, Elmer 2808; Montesano, [eller 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. 
Tyre Locauity: ‘In Plumas County” and “at Red Mountain, Mendocino County,” 
California. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Clallam County, E/mer 2815; Peshastin, Sandberg & Leiberg, July, 
1893; Lake Chelan, Whited 1382; Horseshoe Basin, Lake & Hull 662; Tumwater Canyon, 
Sandberg & Leiberg 517; without locality, Vasey in 1889; Lake Chelan, German 641. 
ZONAL DISTRIBUTION: Canadian or Hudsonian. 
8. Polystichum lemmoni Underw. Our Native Ferns. ed. 6. 116. 1900. 
Type Locauiry: ‘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. 
Tree Locauitry: “In the Upper Teton Cafion in Eastern Idaho.”’ 
Rance: 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, Fett. 
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. filir-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 Locauity: European. 
Rance: Alaska to Washington. Europe. Asia. 
SPECIMENS EXAMINED: Bridge Creek, Elmer 671. 
ZONAL DISTRIBUTION: Hudsonian. 
2. Dryopteris spinulosa dilatata (Hoffm.) Underw. Our Native Ferns ed. 4: 116. 
1893. Woop FERN. 
Polypodium dilatatum Hoffm. Deutsch. Fl. 2: 7. 1795. 
Aspidium spinulosum dilatatum Hook. Brit. Fl. 444. 1830. 
Tyre Loca.ity: Germany. 
Rance: 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 
