PLATE LIV. 
FIG. 1. THYRSOPTHRISRHOMBIFGLIA, BP. NOV so. 5 cee <- wo seers oe ee eee ie eee 
1. Upper part of a compound pinna, diffe. ing in some respects from tbe normal form 
Oi Ts BNO PRO Man o6k4so09 spose ocean qsoned osaceo odsesaecss asso casndessooces 
io wUiltimate lowenmpinna mapnifieds~....- 2. j--sc0) senle sacioe eee) lo eee eee eee eee 
1b) Ultimate upper pinna mapnified ..-.. 2-2-2222 ce soe aje ee enn ee Ree eee 
Figs. 2,11. THYRSOPTERIS MEEKIANA, var. ANGUSTILOBA, sp. NOV..-.------ .--------------- 
2. Small fragment of the upper part of a compound pinna. .--.-- ae sence ee emacs 
(a5 lemming Wiel e6 aoopeeceosactios case Sec esou chon secOenas Shea amcotisceosoocs 
11. Small fragment of a compound pinna .-.-..-...-.-.-----.--- Per opieaceesac esee 
1ilaePinnwlewmapnified=es. 222 ce 4: sas es_4-22 = eec tans. esse ee eee 
BIGS..8 3.0 ASEIDIUMEDUNKERL SCHIMPCl SP wcle ae omel= seem =i = olen ie ee 
3 Hrapment or anupper ultimate pinna- 2--<ecce~ sence se 2 -seee sce eieae see ee 
3h Lem GS aneea wil a poe So seeree aooosS Sooo Ios Hee cass saeco asSaoccns6 
9. Fragment of an upper ultimate pinna...-.....-..-.-...---.--.-.. ---..--------. 
UE JhneS  ineraMiie l= 5 eae Snenoseno comer ccosec pouocsebeposcuss aesoocosecsa6e 
7. THYRSOPTERIS PINNATIFIDA, 8p. NOV.----.---------- Sele nsiee ee ree epee eta eee 
4° Bragment ofa lower compound pinna <2---.--2-\--~cscese soem ieee seer eee 
DeeLOrtiom onan mapper compound plnnWercaaeas- eee = seco l= ses cieee ene eae eee eee 
7. Upper part of a-compound pinna, slightly restored.. ..........-----.----- .----- 
72) Dower ultimate pinna magnified | cos. ss. soce onnnlnoe mesa se) teen eae eee 
(id, (Op yee robbarnsierenEl Somos ono. cobooa seas coed noDoo SSeeas occa sean csaesomncess 
Fia. TLE RSOPTRRIS MLITETICA, SP. WOVccssiss= sacle se cimoseciss ssa eer meee esa eee 
6 
6. Fragment of a compound pinna or of the frond.......-.-......----- ..------=--- 
Fic. SLE RSORTERISEDIATANS 18 etl OVi lentes seer alee aa leans) See eee eee ee eee 
8. Upper pant ofarcompound pinna)-.-> acces es moe ls ae See ene 5 
St rinnule ol Sam aomibied cnn apa asters Sel alata aie eee 
Fig. LO LEY RSORMERISVARTANS) Sp: DOV. <1 020 fniasicie sic <a ise = ae eee eee 
10. Upper part of a compound pinna, showing unusually narrow and remote pin- 
