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Fic. 1. THYRSOPTERIS HETEROMORPHA, SD. NOV-.--.-------------- .----++---- BesSoce cossSs 136 
1. This represents what seems to be the entire frond radiating from the top of the ne _ 136 
18, Lower pinnule of 1 magnified ....- --.. --.. ..-.- ---=-- ------ <2 - = 22 = ne w= nn n= 136 
1>, Upper pinnule magnified ..---..----. .----- ---.---- --- <= +2 ono one ne n= oa ene 136 
WIGS 2—4. LHYRSOPTERIS VAREANS, (Sp; NOV) --o51.- o<= «= sees =e nwe) ea ae ee an nee 137 
2. Summit of a compound pinna, slightly restored ........-..------------------------- 137 
Qa Pimmnnlerol 2) Manned, e-store wae Sela oe a ae ea ata eee eee le 137 
3. Portion of a lower compound pinna, slightly restored.......-....---.-----.--+------ 137 
4. Portion of a lower compound pinna-.-.---..---- Woo oeloite eee ee eee epee ena 137 
dhe Teingynal Gyategmi Gls 58 58 se ag pecs dasa se a5 a oes seco nos sess oesisS5 137 
RIG) 2 5: SUH Y.RSORTERIS RHOMBINOGIA: Bp NO Me aaa ne 2 male ae alae elem ieee ee 138 
5. Portions cf compound pinne, apparently radiating from a common point, asin a frond 
mHpahy Ghai 5A Ses oped cs eer se sa seee Saae odeeso 2250 foe Se eess sees sscese 138 
58, Ultimate pinna from the lower portion of a compound pinna magnified ......-.---- 138). 
5° Upper pinna of the same mapnified so. — cn. oe oo a nmee ee cine Sense eee =e eee 138 
