86 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
7. Equisetum fluviatile L. Sp. Pl. 1: 1062. 1753. 
Equisetum limosum L. loc. cit. 
Type Locauity: “Habitat in Europa ad ripas lacuum, fluviorum.” 
Rance: Alaska to Labrador, south to Washington and Virginia. Europe. Asia. 
SPECIMENS EXAMINED: New London, Lamb 1203 and June 12, 1897; Lake Cushman, Piper, 
August, 1895; Henderson 1190; Skamania County, Suksdorf 2164 and August 17, 1892; Seat- 
tle, Piper, July 10, 1895. 
ZONAL DISTRIBUTION: Humid Transition to Hudsonian. 
One of Suksdorf’s specimens was distributed and included in his list as E. dittorale Kihle. 
8. Equisetum palustre L. Sp. Pl. 2: 1061. 1753. 
Type Locauity: “Habitat in Europae aquosis.”’ 
Rance: Alaska to Nova Scotia, south to Washington and New York. Europe. 
SPECIMENS EXAMINED: West Klickitat County, Suksdorf 46. 
LYCOPODIACEAE. 
LYCOPODIUM. CLuBMoss. 
Sporangia in the axils of ordinary leaves. 
Sporangial leaves forming a terminal spike. .........--.------- 1. L. inundatum. 
Sporangial leaves subterminal, the terminal leaves sterile. 
Stems rigid; leaves all alike, ascending.........-..--.---.. 2. L. selago. 
Stems not rigid; leaves spreading, of two sorts, long and short. 3. LZ. lucidulum. 
Sporengia in the axils of modified leaves crowded in spikes. 
Stems leafy up to the spikes or nearly so. 
Leaves 6 to 8-ranked, spreading... . -. cece eee eee eee eee 4. L. annotiunm. 
Leaves 5-ranked, appressed... ......-.-.----------------- 5. L. sitchense. 
Stems of the fruiting branches nearly naked. 
Leaves all alike; stems cylindric. .............--.-------- 6. L. eavatum. 
Leaves of two forms; stems flattened. .........-.--------- 7. L. complanatum. 
1. Lycopodium inundatum L. Sp. Pl. 2: 1102. 1753. 
TYPE LocaLitTy: Kuropean. 
Rance: Washington to Newfoundland, south in the Alleghanies to Georgia. Europe. 
Asia. 
SPECIMENS EXAMINED: Chambers Lake near Olympia, Henderson 2048; Spanaway Lake, 
Flett. 
2. Lycopodium selago L. Sp. Pl. 2: 1102. 1753. ° 
Type LocaLity: European. 
Rance: Alaska to Labrador, south to Washington, Michigan, and Carolina. Europe. 
Asia. 
SPECIMENS EXAMINED: Olympic Mountains, Piper 2232; Baldy Peak, Lamb 1390; 
Mount Baker, Flett 162; Snoqualmie Falls, Parker, August, 1892; Snoqualmie Pass, Piper, 
August, 1892; Stevens Pass, Sandberg & Leiberg, August, 1893; Bridge Creek, Elmer 686. 
ZONAL DISTRIBUTION: Arctic. 
3. Lycopodium lucidulum Michx. Fl. 2: 284. 1803. 
Type Locauity: ‘Hab. a Canada ad Carolinam Montosam.” 
Range: British Columbia to New Brunswick, south to Washington, Iowa, and North 
Carolina. 
SPECIMENS EXAMINED: Skykomish River, Wittenmyer; Stevens Pass, Sandberg d& Leiberg 
777; Mount Baldy, Conard 276. 
ZONAL DISTRIBUTION: Canadian. 
