322 PLANT LIFE OF ALABAMA. 



Lycopodium porophilum Lloyd & Underw. Bull. Torr. Club, 27 : 150. 1900. 



"Intermediate between Lycopodium lucidulum and L. selago, having tlie leaves 

 spreading or somewhat reflexed with the alternation of long leaves and short 

 sporophylls. Leaves not hollowed, but flat as in L. lucidulum." Underwood. 



Carolinian and Alleghenian areas. Kentucky, Indiana, and Wisconsin. 



ALABAMA: Winston County, under projecting sandstone rocks near Sipsey River, 

 June 1, 1896 (L. M. Underwood}. 



Type locality : Points in Indiana, Wisconsin, Kentucky, and Alabama. 



Lycopodium cernuum L. Sp. PI. 2 : 1103. 1753. 



Chap. Fl. Suppl. 671. Griseb. Fl. Brit. W. Ind. 647. Underwood, Native Ferns, 137. 



COMMON IN ALL TROPICAL COUNTRIES; AZORES. 



Louisianian area. Florida. 



ALABAMA: Coast plain. Springy grassy banks. Mobile County, Springhill, in 

 a ravine near the college. Baldwin County, Montrose. September. Rare. 



Type locality: "Hab.iu Indiis." 



Herb. Mohr. 



SELAGINELLACEAE. Selaginella Family. 



SELAGINELLA Beauv. Prodr. Aetheog. 101. 1805. 



Two hundred species described, mostly of tropical and subtropical zones. North 

 America, 5 species. 



Selaginella nipestris (L.) Spring in Mart. FL Bras. 1, pt. 2 : 119. 1840. 



Lycopodium rupestre L. Sp. PI. 2 : 1101. 1753. 



Gray, Man. ed. 6, 698. Coulter, Contr. Nat. Herb. 2 : 558. Underwood, Nat. 

 Ferns, 140. 



EUROPE, AFRICA, ASIA. 



Alleghenian and Carolinian areas. New Brunswick, Ontario, British Columbia, 

 New England (Mount Desert Island), south to Florida (Chapman); Ohio Valley 

 west to Missouri, Arkansas, Texas, and through the Rocky Mountains to California 

 and Oregon. 



ALABAMA: Mountain region. Winston County, reported by T. M. Peters. Dekalb 

 County, Lookout Mountain, Mentpne, abundant on rocks; September. 



Type locality : "Hab. in Virginia, Canada, Sibiria." 



Selaginella apus (L.) Spring in Mart. Fl. Bras. 1, pt. 2 : 119. 1840. 



Lycopodium apodum L. Sp. PI. 2 : 1105. 1753. 



Gray, Man. ed. 6, 698. Chap. Fl. 601. Coulter, Contr. Nat. Herb. 2 : 558. 



Alleghenian to Louisianian area. Ontario, southern New England, Michigan, 

 Ohio Valley, south to Florida and Texas. 



ALABAMA : Coosa Valley to Coast plain. Low springy banks. Etowah County, 

 near Gadsden, in wet sandy piny woods. Mobile County. 



Type locality: "Hab. in Carolina, Virginia, Pensylvania." 



Herb. Geol. Surv. Herb. Mohr. 



Selaginella ludoviciana A. Br. Ann. Sci. Nat. ser. 4, 13 : 58. 18GO. 



Underwood, Native Ferns, 141. 



Louisianian area. Western Florida to Louisiana. 



ALABAMA: Coast plain. Damp exposed ground in the flat pine barrens. Mobile 

 County. Rare. 



Type locality: "Hab. in Louisiana." 



Herb, Geol, Surv. Herb. Mohr. 



ISOETACEAE. ftuillwort Family. 



ISOETES L. Sp. PI. 2 : 1100. 1753. 



The only genus of the family. It contains about 50 species, widely distributed 

 over the continents and islands of the world. North America, 21 species. 



Isoetes engelmanni valida Engelm. in Gray, Man. ed. 5, 677. 1867. 



Carolinian area. Delaware, eastern Pennsylvania. 



ALABAMA: Mountain region. Swampy places. Dekalb County, Lookout Moun- 

 tain above Valleyhead, May, 1899. 



Gray, Man. ed. 6, 700. Britt. & Brown, 111. Fl. 1 : 48. Underwood, Native Ferns, 146. 



Type locality: "Delaware ( W. M. Canby), and Pennsylvania (Prof. Porter)." 



Herb. Biltinore. 



