- 60 — 



/. Sori with the capsules very compact, angular even 

 when ripe. (21) A. subintegerrima. 



//. Sori with the capsules not very compact or not 

 angular, except when young, 

 m. Recurrent venules short or indistinct, the distinct 

 portion reaching at best to ^jo-way the costa. 

 n. Pinnulae entire or subentire. 

 o. Pinnulae under 2 cm. broad. 



p. Capsules 8 — 10. {22a) A.Vers\eegn. 

 pp. Capsules 16 — 26. 



(22b) A. inconstans. 

 oo. Largest pinnulae more than 2 cm. 

 broad. (23) A. elliptica. 



nn. Pinnulae not entire. 



o. Crenulate. (24) A. subfurfuracea.*) 

 oo. Serrulate or denticulate. 



(14) A. crassipes. 

 mm Recurrent venules mostly long, not rarely 

 reaching nearly the casta, 

 n. Pinnulae entire or subentire. 



o. Sori not reaching the acumen of the 

 pinnulae. (25) A. Elmeriana. 



oo. Sori continuous to into the acumen. 



(26) A. sumatrana. 

 nn. Pinnulae not entire though sometimes only 

 shallowly crenulate or serrulate. 



Sori conspicuously remote from the 

 margin, the inner capsules reaching 

 nearly the middle of the veins. 



(27) A. ankolana. 

 oo. Sori less conspicuously remote from the 

 margin. 



p. Pinnulae at best + 7'/+ cm. . broad. 



(28) A. arborescens. 

 pp. Largest pinnulae at least ± VU cm. 

 broad. 



r. Pinnulae on stalks + 4 — 5 mm. 



long. (29) A. Wiilinkii. 



rr. Pinnulae sessile or on stalks at 



best + 3 mm. long. 



*) Including A. mnfata . 



