792 MINNESOTA BOTANICAL STUDIES. 



LYCOPODIALES. 



LYCOPODIACEAE. 

 LYCOPOMUM L. Sp. PL 1100. 1753. 

 Lycopodium cernuum L. Sp. PI. 1103. 1753. 



Very common in open places on the outskirts of the forest, 

 and also at considerable elevations on some of the ridges. 

 Called "rat's foot" by the natives. Specimens were collected 

 near the Wahiawa river, Kauai, at about 2000 feet elevation. 

 July 22 (2596); original locality, "in Indiis." 



Lycopodium phyllanthum H. & A. Bot. Beechey. 103. 1832. 



A species found only on the Hawaiian Islands, occurring at 

 intervals at medium elevations in the forests. Pendant from 

 moss grown trees, at 2500 feet and more, on both Kauai and 

 Oahu. 



April to October (2192). 



Lycopodium serratum Thunb. PI. Jap. 341, pi. 38. 1784. 



On the ridge west of the Hanapepe river, Kauai, at an eleva- 

 tion of about 3000 feet, this species grew abundantly, at one 

 place, on the ground beneath trees (2687). In wet woods near 

 the Wahiawa bog, occasional plants were picked up. On Oahu, 

 it was found growing on the ground under bushes (2904), at an 

 elevation of about 2700 feet, on Konahuanui. 



Lycopodium verticillatum L. f. Suppl. 448. 1781. 



Only two or three plants of this species were found, at 2500 

 feet elevation, on Konahuanui, Oahu, growing on mossy trees. 

 It is apparently rare. 



PSILOTUM Swartz, Syn. Fil. 187. 1806. 

 Psilotum complanatum Swartz, Syn. Fil. 414. 1806. 



Not nearly so common as P. nudum, and found only on trees. 

 It was collected on both Oahu and Kauai. 



April to November (2216). 



Psilotum nudum (L.) Griesb. 



Lycopodium nudum L. Sp. PI. 1100. 1753. 

 Psilotum triquetrum Swartz, Syn. Fil. 414. 1806. 



A very common plant, growing on slopes below the forest, 

 and at higher elevations on trees. Collected on both Oahu and 

 Kauai. 



March to September (1989); original locality, "in Indiis." 



