86 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



7. Equisetum fluviatile L. Sp. PI. 1: 1062. 1753. 

 Equiseium limositm L. loc. cit. 



Type ix)cality: "Habitat in Europa ad ripas lacuum, fluviorum." 



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



Specimens examined: Now London, Lamb 1203 and June 12, 1897 ; Lake Cushnmn, Piper, 

 August, 1895; Henderson 1190: SkamaniaCounty,iS?f^s</or/'2164and 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. littorale Ktthle. 



8. Equisetum palustre L. Sp. PI. 2: 1061. 1753. 

 Type locality: "Habitat in Europao aquosis." 



Range: Alaska to Xova Scotia, south to Washington and New York. Europe. 

 Specimens examined: West Klickitat County, SriksdorfAd. 



LYCOPODIACEAE. 



LYCOPODIUM. Clubmoss. 



Sporangia in the axils of ordinary leaves. 



Sporangia! leaves forming a terminal spike 1. L. inundatum. 



Sporangial leaves subtemiinal, the terminal leaves sterile. 



Stems rigid ; loaves all alike, ascending 2. L. selago. 



Stems not rigid ; loaves spreading, of two sorts, long and short. 3. L. lucidulum . 

 Spon.ngia in the axiLs of moditiod leaves crowded in spikes. 

 Stems leafy up to the spikes or nearly so. 



Leaves 6 to 8-ranked, spreading 4. L. annotiunm. 



Leaves 5-rankod, appres-sed 5. L. sitchense. 



Stems of the fruiting branches nearly naked. 



Leaves all alike ; stems cylindric 6. L. clmxitum. 



Leaves of two forms ; stems flattened 7 . L. complanatum . 



1. Lycopodium inundatum L. Sp.'Pl. 2: 1102. 1753. 

 Type locality: Europt>an. 



Range: Washington to Newfoundland, south in the Alloghanios to Georgia. Europe. 

 Asia. 



Specimens examined: Chambers Lake near 01ympia,Herufcr«on 2048; Spanaway Lake, 

 Flett. 



2. Lycopodiimx selago L. Sp. PI. 2: 1102. 1753. 

 Type locality: European. 



Range: 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; Stevep Pass, Sandberg <& Leiberg, August, 1893; Bridge Creek, Elmer 686. 



Zonal distribution: Arctic. 



3. Lycopodium lucidulum Michx. Fl. 2: 284. 1803. 



Type locality: "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 Yasa, Sandberg <& Leiberg 

 777; Mount Baldy, Conard 276. 



Zonal distribution: Canadian. 



