Fig. 14: 1 and 2, Adiantum Capillus-Veneris: 1, frond and rhizome, x %; 2, fertile 

 pinnule, x 3. 3-5, Adiantum tricholepis: 3, pinna, x %; 4, fertile segment, x 3; 5, erect- 

 ascending rhizome, x %. (From Correll in Lundell's Flora of Texas. Vol. 1, PI. 13.). 



