65 



4. Adiantum trapeziforme L. 

 Rhizome short, creeping. Stipe scaly at the 

 very base, otherwise black, polished, naked- 



FIG. 22. Adiantum trapeziforme L. 

 Pinnule (nat. size). 



Frond up to 4 feet high, 3-2 pinnate, central 

 pinna the largest, ultimate pinnules 1^-2 inches 

 long, J-j inch broad, ovate-rhomboidal or 

 trapezoid, long-pointed with the upper and outer 

 edge bluntly lobed ; rachis and surfaces naked. 

 Texture papery, herbaceous. Sori on the upper 

 and outer edge large, oblong. [Fig. 22.] 



Distribution : West Indian Islands, Jamaica, 

 Cuba, Mexico, Central America, Caraccas, 

 Brazil, Vera Cruz and Guatamala. 



Very commonly cultivated. 



5. Adiantum fonnosum R. Br. 



Stipe black, glossy, rough, 12-18 inches long. 

 Frond ii-2 feet long, about two-thirds broad, 

 5 



