3. ALSOPHILA. 5t 



!. Sori medial. , (23) A. baljanensis. 



I J, Sori + costular. 



>tc. Lobes obscurely crenato-serrate. 



(24) A. melanopus. 

 >|c.;|c. Lobes distinctly serrate. (2S) A. ornata. 



»'.»'. Main rachis conspicuously muricafe.\ aculeate or tuberculate. 



•f. SpiinQus.Jiuiusium. wanting . (26) A. crinita. 



ir^'^mdm^^dasittm present, mnsistingofa minute, inferior, 



orbiaUar,- entire or iobedscate or a\lvhortdf fibres, with the 



receptadeirutheeentre. -Vnde/r-SMPfaae-^laucms. - (^7) A. glauca. 



a.n.a.a. Pinnulae pinnate; (he segments free or sometifnes slightly joined at 



the base. 



h. Texture membranaceous to papyraceous. 

 c. Pinnae under 15 c.M. broad. 



a. Main rachis rough and strigulose. Pinnae + 8 c.M. broad. 

 Spirious indusium wanting. (28) A. Christii. 



d.d. Main rachis muricate and furfuraceo-tomentose. Pinnae + 

 4€ — i2 c.M. broad. Spurious indusium present. 



(29) A. truncata. 

 CO. Pinnae i5 — W c.M. broad. 



^. Tertiary segments + j9*/j m.M. broad, crenulate at the apex. 



(30) A. celebica. 

 )|c.*. Tertiary segments + 5 m.M. broad, distinctly crenate. 



(31) A. polyphlebia. 

 6.6. Texture + coriaceous. 



e'. Main rachis j pricMy or tuberculate.' 



d'. Costae densely paleaceous beneath with ragged, fomentose scales. 



(32) A. toHientosa. 

 d'.d'. Costae naked or not densely scaly beneath. (33) A. extensa. 

 c';c'. Main rachis j smooth or roughish. 



^. Pinnulae + i — ^'/j cM. broad, the costae densely scaly. 



(34) A. lurida. 

 :^.:i(.. Pinnulae + 4 c.M. broad, the costae fibrillose. 



(3b) A. mindanensis. 



* (1) A. dnbia, Bedd., Journ. of Bot, XXVI, 1, tab. CCLXXIX, A; 



A. Teysmanniana, Rac, MS. in Herb. Bog. | See Supplement 1, Appendix. 

 Fronds large, 2-piunate; rachises brown, naked and glossy beneath, to- 



