CxIiT. TABI/B OV GENBEA. 



tt Fronds naked, or iearmg soaUered peltate scaleg, 

 II Sori globose (ra/rety short oblong, orby conflaence 

 elongated), polycarpous; fronds a/rtieulatsd 

 iBith the rhizome. 

 •IT Fronds simple pimiaiifid or pinnate, mono- 

 morphous, or the fertile somewhat narrowed. 



108. Pleopeltis, -Sr. et -B- ISIO (estens.) . [p. Ixxvi.] 



Marginaria, Bon/, (pt.) 1824. 

 Ataotosia, JSl. 1838. 

 Microsorimu, Link, 1833, 

 Anaxetum, SchoU, 1834. 

 Microgramma, Preal, 1836. 

 Plenridium, Fred, 1836. 

 Phymatodes, Preal, 1836. 

 Diynaria, Preal, (pt.) 1836. 



Chiysopteils, iiniS;, (pt.) 1841. 

 PhyUitfdis, J. Sm. 1841. 

 LepiBorus, J. 8m. 1841. 

 Anapeltis, J. Sm. 184fi. 

 Microterus, Preal, 1849. 

 Symplecimn, ^«e. 1846. 

 Phytogenia, J, 8m. MS. oUm. 

 IVIelanopterls, J. 8m. M8. 



ITIT Fronds c^morphous, the sterile dwarfed, 

 sessile, querciform. 



(a) Fertile and sterile segments of the normal 

 fronds imiform. 



109. Drynaria, (Sory, W25.)J. Sm. 1841. [p.lxxviii.] 



(;3) Fertile upper segments of normal fronds 

 miich contracted. 



110. Aglaomorplia, SchoU, 1835 ... [p. Ixxk.] 



Psygmium, Preal, 1836. 



nil Sori oligoca/rpous ; fronds contvmums with the 

 rhimme. 



111. Dipteris, Seimo. 1825 ..... [p. Ixiix.] 



II II II " Sori large, subrotmid, immersed in the 

 enpvliform cartilaginous margi/nal teeth" 

 which are reflexed when dry. 



112. Lecanopteris, Seimv. 1825 : £l. 1828. [p. lxxi.J 

 Onychium, Remw. 1826 (non Klfs.) 



§ 19. AssjDTEm. 



(a) Indusia cucullafe behind the sori, on the con- 

 tracted incurved pinnules. 



113. Onoclea, Xm- 1751 [p. ixxxi.] 



Angiopteris, Mitch. 1748. j Riedlea, Mi/rh. 1803. 

 Calypterium, Bemh. 1801. j Kagiopieris, Preal, 1836. , 



