< 296 e | CHARACTERS OF TRIBES AND GENERA. 
sum (Kunze) (v v.); P. anomalum (Hook.) (v v.); P. 
squarrosum (Don.) (v v.) ; P. biaristatum (Blume). 
SOUTH AFRICAN, AUSTRIAN, AND POLYNESIAN. 
P. pungens (Kaulf.) (v v.); P. venustum (Hook.); P. 
proliferum (E. Br.) (v v.) ; P. vestitum (Sw.) (v v.). 
AMERICAN, 
P. mohrioides (Bory.); P. platyphyllum (Willd.); P. 
muricatum ( Willd.) ; P. ordinatum (Kunze); P. viviparum 
(Mett.) ; P. Bridgesi (Sturm). 
DT 
Fronds tripinnate. 
P. moluccense (Blume). 
Sect, 2.—Tucrarra, Cav. 
Vernation uniserial, sarmentose. Fronds deltoid, decom- 
pound, 
Type. Aspidium coriaceum, Sw. 
P. coriaceum (Sw.) (v v.) ; P. adiantiforme (Forst.) ; P. 
discolor (Lang. and Fisch.); P. macroporum (Bory.); P. 
Capense ( Willd.) (v v.) ; P, Richardii (Hook.) ; P. amabile 
(Blume.) (v v.) ; P. speciosum (Don.); P. aristatum (Sw.) 
(v v.); P.denticulatum (Sw.) (v v.) ; P. fceniculaceum ( Hoch A 
P. frondosum (R. T. Lowe) (v v.); P. flexum (Kunze) 
(v v.); P. Semani (Hook.) ; P. melanostichum, (Leib.); P, 
amplissimum (Pr.) (v v.) ; P. multifidum (Mett.); P. ascen- - 
dens (Heward); P. coiifolium (Wall. (v ei, Bedd., F. 
Brit. Ind., pl. 261. 
Oss.—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 
