488 60ff. PHEGOPTERIS. § I. EUPHEGOPTERIS. 



*.;tc. Fronds broader, i2—25 c.M. broad. Pinnae deeply pinna- 

 tifid throughota. (8) Ph. obscura. 



a.a. Fronds at least deeply 3-pinnatifid. 



1. Fronds mostly under 45 c.M. long. 



2. Main rachis scaly, or scaly and hairy. gr 



Hi:. Lowest pinnae produced on the lower sideA ultimate segments 



entire. [9a) Ph. hirta. 



;t:.5tc. Lowest pinnae not produced on the lower side. Ultimate 



segments toothed. (96) Ph. Copelandi. 



9.2. Main rachis naked or hairy, not scaly. 



3. Rachis and under surface slightly pubescent or tomentose. 



(10) Ph. rufescens. 

 3.3. Rachis and both surfaces naked. 



S. Stipoe rather skorii oasta n oom . Lowest pinnae ± equi- 

 lateral. (11) Ph. loxoscaphoides. 

 S.S. Slipos imtkor lo t tgj gnw or ttramm mit»- Lowest pinnae 

 with the lower pinnulae on the lower side produced. 

 S. Sori medial on the veitis. (12) Ph. Hasseltii. 

 S.S. Sori terminal on the veins. (13) Ph. laserpitiifolia. 

 1.1. Fronds more than 45 c.M. long when fully developed. 

 °(. Stipes copiously scaly. 



:^. Texture firm; both surfaces densely setose. 



(14) Ph. cheilanthoides. 

 :lfi.-^. Texture thin-herbcuxous; eostae and veins often hairy. 



(15) Ph. ornata. 

 a.a. Stipes naked, hairy or glandular. 



p. Texture ± coriaceous (*) » (16) Ph. asperula. 



p.p. Texture + herbaceous. 

 7- Sort submarginal. 



*. Fronds large, erect, 45 — i20 c.M. long. 



(17) Ph. punctata. 

 *. + . Fronds very large, subscandent, 360 — 450 cM. 

 iong. (18) Ph. Keraudreniana. 



7.7. Sori + medial on the veins. 



<?. Fronds ± 20—50 c.M. broad. 



(*) See also under Ph. punctata, Mett. 



