520 



CHAEACTEES OF TEIBES AND GENERA. 



sum {Kunze) (v v.) ; P. anomalum (Hool.) (v v.) ; P. 

 squarrosum {Don.) (v v.) ; P. biaristatum {Blume). 

 South Afeicau, Austetan, and Polynesian. 

 P. piingens (Kaulf.) (v v.) ; P. venustum {HooJc.) ; P. 

 proliferum (E. Br.) (v v.) ; P. vestitum {Siv.) (v v.)- 



Ameeican. 

 p. mohrioides (Borij.) ; P. platyphyllum (WiUd.); P. 

 muricatum {Willd.) ; P. ordinatum {Kunze); P. viviparum 

 {Mett.) ; P. Bridgesi {Sturm). 



*** Fronds tripinnate. 

 P. moluccense {Blume). 



Sect. 2. — Tbctaeia, Cav. 



Vernation uniserial, sarmentose. Fronds deltoid, decom- 

 pound. 



Type. Aspidinm coriaceum, Sw. 



P. coriaceum {Sw.) (v v.) ; P. adiantiforme {Forst.) ; P. 

 discolor {Lang, and FiscJi.) ; P. macroporum {Bory.) ; P. 

 Capense {Willd.) (v v.) ; P, Eichardii {Hooh.) ; P. amabile 

 {Blume.) (v v.) ; P. speciosum {Don.) ; P. aristatum {Siv.) 

 (vv.); P.denticulatum(»S'iu.) (vv.) ; P.foeniculaceum(2Too/;.),- 

 P. frondosum (E. T. Loive) (v v.) ; P. flexum {Kunze) 

 (v V.) ; P. Semani {Hooh.) ; P. melanostichum, (Leih.) ; P. 

 amplissimum (Pr.) (v v.) ; P. multifidum {2Ietf.) ; P. ascen- 

 dens {Seward.) ; P. coiifolium {Wall.) (v v.). Bedd., F. 

 Brit. Ind., pi. 261. 



Obs. — In P. lepidocaulon the veins occasionally anasto- 

 mose. Of late years a great number of abnormal forms or 

 what are generally termed varieties, of British species have 

 been discovered or acquired by cultivation, and which are 

 held in high estimation by amateur Fern cultivators, and 

 even prizes awarded by the Horticultural Society. In the 



