508 ^5. 



UICROLEPIA. 



a. Fronds simply pinnate or at best 2-pinnatifid. 



f. Rhizome erect. Fronds rather small, naked. (1) M. firmula. 



•{••-{•. Rhizome creeping. Fronds rather large, hairy beneath. 



(2) M. marginalis. 

 a.a. Fronds at least 2-pinnate at the base. 



b. Texture membranaceous or herbaceous. 

 c. Indusium naked. 



X. Fronds small, + 25 c.M. broad. (3) M. scaberula. 



x.x. Fronds large, ± 90 c.M. broad. (4) M. manilensis. 



C.C. Indusium hispid, hairy or bristly. 



d. Receptacle rather small, not eooserted. 



e. Ultimate lobes entire or crenato-lobate. The hairs of the 

 under surface bulbous at the base. (5) M. trichosticha. 

 e.e. Ultim^ite segments toothed or pinnatifidj^The hairs of 

 the under surface not bulbous at the base. 



(6) M. speluncae. 

 d.d. Receptacle prominent, eooserted. (7) M. exsertit. 



6.6. Fronds more or less coriaceous. 

 1. Surfaces naked. 



X. Small. Pinnulae crenato-lobate. (8) M. philippinensis. 



x.x. Large. Pinnulae deeply pinnatifid. (9) M. platyphylla. 



±.±. At least the under surface hairy or strigose. 



S. Pinnulae crenate or broadly toothed. (10) M. strigosa. 



S.S. Pinnulae (at least the lower ones) ± deeply pinnatifid. 



3. Tertiary segments bluntly serrate. (11) M. Eurzii. 



3.3. Tertiary segments entire or broadly crenate. 



S:. Stipes naked. (12) M. proxima. 



4t.A. Stipes pubescent. (13) M. trapeziformis. 



9.9.2. Pinnulae {at least the lower ones) pinnate. (14) M. hirta. 



(1) M. flrmula, C. Chr., Ind. Fil.; Davallia firmula, Bk., Ann. of 

 Bot., Vni, 123. 



Stipes tufted, 20 — 25 c.M. long, slender, firm, naked above, scaly at the 

 base, stramineous, the scales lanceolate, membranaceous, ferrugineous. Fronds 

 deltoid, 20—25 c.M. each way, simply pinnate. Pinnae sessile, oo-jugatc. 



