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. ASPIDIUM SCHOTT. 

 (S\v. in part). 



(Deriv. Gr. Asbidos, 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. 



i. A. subtriphyllum. 



(b) Sori confined to a distinct row on each 

 side of the principal veins (often scattered in 

 A. polymorphum). 



(i) Pinnae quite entire or crenate to 

 coarsely toothed. Lateral pinnae 

 2-6 pairs, lower ones often forked. 

 Fertile frond often contracted. 



2. A. polymorphum. 



