PLATE XV. 
; Page e 
Frias; 1=5: “ASPIDIUM, HETEROPHYLGUM, SpsOVe- aasseeece ee eee sas soeeiee a een eaaie eee eas 96 
1. Portion ‘ofa tructified ul timateypinn asset mete stele om ala ate een = ie ee eee 96 
1°. Magnified pinnule of 1, to show sori and nerves .....---.-----.---- ----.------+---- 96 
2. Portion of the upper part of a primary pinna or of the frond ..........-...---.---- 96 
3. Porbionlolpa secon danyipiniaseeseeren ose tissam onion ai ese aes ieee ee eee 96 
Su Pinnolesiot o Mag nit ede eee ees eee eee eee eee nae esi eee eee 96 
4. Portion of a secondary pinna from low down on the plant... ..---..--------------- 96 
COS We vegnhieye lh joxbanqW eye! Soe Sone castes sacs caseogSaaSnOCHSCeS SoSneS no coasesonasos 96 
5, Portion of a fructified secondary pinna.-see-|-2-2 cess 2-2 eee aaeeeee een eee ee yaear 96 
5°, Pinnules of 5 magnified, to show sori and nervation -..--...-.--.---.-------------- 96 
Fig. 6. CLADOPHLEBIS, species undetermined - --2. 22-2. .< 6 oom wen ene een etn == == == 77 
6. Small fragment of a pinna from bank near Brooke ..-..-.-.-.--. .---------02--- -- 7 
627 Pinnuleiofomarnified ooo. oss sacre ces ee etenee eee ieee eee tere =e ae 77 
hic. 7. ASPIpIuM VIRGINICUM, SP \OVis 1-2 00 soe -lmac = enfaenn oneness = eat eee 97 
7. small fragmentot an ultimate pin Gees see =ee oe nae alate ee ee ele 7 
72, Magnitied pimmuleoni 7 2am te a= etete oer ee imei a ale a alee ere eileen 97 
Fic. 8. PECOPTERIS OVATODENIDAWA, SPU ON ere er etaineia sss Sel ota mateo lee aie ietalnle etait tate 85 
8. Portionion anal timate yp Une eat laste oe t= atm ene ere ate rao ell la rn 85 
88. Pinnule Of8 Mm APM CO ewe eeeele miele teleleiareel ain aie ale alo ale lenin ate olmlaiele ta eleteve tein fotel toe 85 
wee tle ee & 
ee Sy ape st wig 
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ae ae 
