68 
which 1s scaly. Frond 1-3 teet long, 9-18 
inches broad, triangular, 3-4 pinnate; pinnules 
$- inch broad, wedge-shaped at the base, more 
or less rounded at the outer edge, rather deeply 
lobed, lobes finely serrate when sterile ; rachis 
and surfaces nal@d. 
Texture thin to 
almost leathery. Sori 
on the lobes rather 
roundish or transver- 
sely oblong.  [Fig. 
25.] 
Distribution: 
Mexico and West 
Indian Islands, south- 
wards to Juan Fer- 
nandez and Feru. 
One solitary speci- 
men was collected in 
Fic. 25.—Adiantum tenerum Sion Wood, Bombay 
Sw. Pinnules (nat. size). Island. Itis evident- 
ly an escape from cultivation. 
The following horticultural varieties occur 
in the Bombay gardens :— 
_ 1. Var. bauset.—Pinnules drooping, almost - 
leathery. 
2. Var. farleyense-—Fronds drooping; pin- 
