110 
throughout to a broad winged rachis into blunt 
linear pinnules, the lowest of which are often 
forked. Texture leathery. Veins one to each 
segment. Sori one to each segment. The fronds 
are proliferous bearing bulbils in the axils of. 
many of the pinnz: 
Cultivated. 
Distribution: Malay Peninsula.—Java ; 
Sumatra ; Borneo. 
Genus XXII.—Atruyrium Rota. 
(Deriv. unknown.) 
Veins free, sori more or less curved, some- 
times horseshoe-shaped. 
I. Frond less than five feet long. 
(a) Indusium bullate (i.e. puckered). 
1. A. hohenackertanum. 
(b) Indusium not bullate. 
(2) Sori large, some at least reniform. 
2. A..macrocarpum. 
(2) Sori never reniform. 
1. Fronds one-pinnate, segments 
crenate. 
3. A. falcatum. 
