﻿92 9. TRICHOJUNES. § 2. EUTRICHOMANES d. PTILOPHYLLUM. 



g. Fronds 2% — iO c.M. long. Stipes P\^ — 5 

 c.M. long. (24) T, bipuiictatum. 



g.g. Fronds smaller. Stipes short or nearly wan- 

 ting. (25) T. filiculoides. 

 f.f. Submarginal spurious vein copiously interrupted. 

 Lips of the indusium semiorbicular. 



(26) T. capillatum. 

 c.c. Submarginal spurious vein wanting. 



1. Segments with the margin serrate or dentate. 



^. Fronds small, under i^j^ c.M. long, membranaceous. 



(27) T. serrulatum. 

 >|<.>i<. Fronds middle-sized, 15 — 30 c.M. long, semicoriaceous. 



(28) T. auriculatum. 

 1.1. Segments ivith the margin entire. 



2. Surfaces or edges hairy or ciliate. 



$. Edges ciliate with short, distant bristles. 



(29) T. dichotomum. 

 S<S* Surfaces hairy, especially on the costae. 



(30) T. vestitum. 

 2.3. Surfaces and edges naked. 

 3. Stipes ± tufted. 



•{•. Fronds at best 2-pinnatifid. 



>tc. Fronds to + i5 c.M. long. 



(31) T. Warburgii. 

 >|c.;K. Fronds to ± 30 c.M. long. 



(32) T. ignobile. 

 f.f. Fronds 4-pinnatifid. (33) T. hispidulum. 



3.3. Stipes scattered. 



4L. Fronds small, under i5 c.M. long. 



5. Fronds 2-pinnalifid. (34) T. Lauterbachii. 

 5.5. Fronds 3-pinnatifid, at least at the base. 

 €. Indusium with the mouth 2-valved. 



(35) T. Hosei. 

 e.e. Indusium ivith the mouth not or 

 scarcely 2-valved. 



7. Fronds small, ± 3 c.M. long, 

 7—10 m.M. broad. 



(36) T. gracile. 



