TAB. L. 



Adiantum monochlamys, Eaton. 



Caudice horizontal! fusco-tomentoso, stipitibus spithamaeis 

 rachibusque flexuosis castaneis nitidis, frondibus ovatis 

 acuminatis chartaceis pallide viridibus tripinnatis, pinnulis 

 omnibus sublonge petiolulatis obcordato-cuneatis apice 

 crenato-serratis in sinu profundo monosoris, venis flabella- 

 tis dichotome divisis, involucro suborbiculari coriaceo atro- 

 fosco. 



Adiantum monochlamys, Eaton, in Proceedings of Am. Acad. 

 Arts §• Sc.for 1809. p. 110. 



Hab. Hill-sides, near Simoda, Japan, C Wright ; Tsus Sima, 

 Strait of Korea, Wilford, n. 837- 



A very elegant and unquestionably a very distinct species 

 of Adiantum, well named monochlamys by its first describer. 

 Among my specimens there is no instance of more than one 

 eorus on each pinnule, and that arises from a deep sinus at the 

 almost truncated apex. 



Tab. L. Fertile plant; nat. size. Fig. 1. Back view of a 

 fertile pinnule. /. 2 Front view showing the sorus : magnified. 



Cm?, 2. t. 60. 



