cxlvi. TABLE OP SB1TEEA. 



TIlv "Rfif 



** Veins connioently anastomosing. 



121. Nephrodium, -BicA. 1803, (restrict.): Schott, 1834. 



[p. Ixxxvii.] 



Aspidium, Sv>. (pt.) 1800. 

 Cyclosorus, Link, 1841. 

 Abacopteris, Fee, 1843. 

 Pronephrium, Presl, 1849. 



Arsenopteris TFeZ>6 e( Berth. 



(pt.) 1847. 

 Plectochlsena, .FVk, 1851. 



*** Veins free. 



t Feins simple or pinnate, the lower anterior venule 

 (sometimes more) soriferous. 



122. Lastrea, (Bory, 1824, mutat.) : Presl, 1836. 



[p. Lxxxvii.] 



ft Feis parallel forked, soriferoiis at or near the 

 base ; fronds simple, articulated. 



123. Oleandra, Can. 1802 ...... [p. Ixsxix.] 



Neuronia, Don, 1825. 

 Ophiopteris, Eeinw. 1826. 



ttt 'Veins pinnately forked, soriferous at their 

 apices ; fronds pinnate, the pinnae articulated. 



124. Nephrolepis, Schott, 1834. .. 



Nephrodium, Link, 1841. 

 Lepidoneuron, Fee, 1851. 



20. 



(a) Sori medial. 



125. Cystopteris, -B^A. 1806 ..... [p. xc.] 



Cyelopteris, Gray, 1821. 

 Cystea, 8m. 1828J 



(b) 5ori terminal, rarely axillary in tlieforTcs of the 



venules; fronds membranaceous or herbaceous. 



126. Acrophorus, Presl, 1836 ...... [p. xci.] 



Leucostegia, Presl, 1836. 

 Odoutoloma, ^. 8m. 1842. 



