128 
Cultivated. 
Distribution: Nilgiris at the higher eleva- 
tions; Himalayas 3,000-8,000 feet; Khasya 
3,000-4,000 feet ; Ceylon.—China; Japan; 
South Africa ; Sandwich Islands ; Madagascar. 
Genus XXX.—Aspipium Scuort. 
(Sw. in part). 
(Deriv. Gr. Aspidos, shield—in allusion to the 
shape of the indusium.) 
Veins copiously anastomosing with free 
included veinlets in the areoles. Sori round. 
Indusium round or kidney-shaped. Receptacle 
at the junction of the veinlets or at the apex 
of free veinlets. 
(a) Sori copiously scattered irregularly. 
1. A. subtriphyllum. 
(b). Sori confined toa distinct row on each 
side of the principal veins (often scattered in 
A. polymorphum). 
(2) Pinnz quite entire or crenate to 
coarsely toothed. Lateral pinne 
2-6 pairs, lower ones often forked. 
Fertile frond often contracted. 
2. A. polymorphum. 
