﻿488 60a. phisgopteuis. § I . euphegopteris. 



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

 tifid throughout. (8) Ph. obscura. 



«.«. Fronds at least deeply 3-pinnati/id. 



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



2. Main rachis scaly, or scaly and hairy. 



>fc. Lowest pinnae produced on the lower side. Ultimate segments 



entire. (9i) Ph. hirta. 



>|<.>|c. Lowest pinnae not produced on the lower side. Ultimate 



segments toothed. {9b) Ph. Copelandi. 



2.2. 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:. Stipes rather short, castaneous. Lowest pinnae ± equi- 

 lateral. (11) Ph. loxoscaphoides. 

 4:.S' Stipes rather long, green or stramineous. Lowest pinnae 

 with the lower pinnulae on the lower side produced. 

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

 5.5. Sort terminal on the veins. (13) Ph. laserpitiifolia. 

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

 a. Stipes copiously scaly. 



;tc. Texture firm ; both surfaces densely setose. 



(14) Ph. cheilanthoides. 

 :4c. >t<. Texture thin-herbaceous; costae and veins often hairy. 



(15) Ph. ornata. 

 ci.a. Stipes naked, hairy or glandular. 



,S. Texture + coriaceous (*) (16) Ph. asperula. 



jS./S. Texture + herbaceous. 

 -/. Sori suhmarginal. 



>ic. Fronds large, erect, 45 — d20 c.M. long. 



(17j Ph. punctata. 

 >(;. + . Fronds very large, subscandent, 360 — 450 c.M. 

 long. (18J Ph. Keraudreniana. 



7.7. Sori + medial on the veins. 



(?. Fronds + 20—50 c.M. broad. 



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



