THE FERX BULLETIN 



23 



250. Lycopodium obscurum L. Tree Club-Moss. 



Common ; in dryish shades. North Carolina. 

 Tennessee and Montana to Newfoundland, 

 and Alaska : also in Siberia and Japan. — L. 

 dendroid eum Michx. 



251. Lycopodium sabinaefolium Willd. Xot un- 



common : in open grassy places. Northern New 

 England and Ontario northward. 



252. Lycopodium Selago L. Fir Club-Moss. 



Rare ; in exposed elevated regions. Xorth 

 Carolina. Michigan and Washington to Alaska 

 and Greenland; also in Northern Europe and 

 Asia and in Australia and New Zealand. 



253. Lycopodium Sitchense Rupr. Rare; in ex- 



posed places. Elevated regions of Maine, New 

 York. Idaho and Washington to Labrador and 

 Alaska. 



PSILOTACEAE. 



254. Psilotum triqeutrum Sw. Rare ; on the 



trunks of trees. Florida ; also widely spread in 

 the tropics and reaching Japan and New Zea- 

 land. — P. nudum (L.) 



