67Q FILICES. 



mucronulate alove at the origin of their divisions ; veins forked, all free, lowest inserted 

 into the costa : petiole pale, prickly below ; son short, about half as long as the lobes, 

 somewhat distant at the sinus. — Plnrn. Ml. t. 13. 14. — Middle lobes 1" long, 3"' broad,, 

 superior and inferior decrescent : rhachis 4'" broad. — Hab. Trinidad (Jff., J. Sm.); [Haiti 

 to Guiana!, P/. ,S>^e/]. 

 ^ 127. P. quadriaurita, Retz., Hook. Leaf pinnaiisect: segments pi?mat-lpartite, 

 lowest Z{-S)-seci : secondary ones oblong-linear, hlnnt, entire, remand at the summit : ribs 

 with a slender prickle above at the origin of their divisions : veins forked, all free ': petiole 

 pale, purplish below ; sori continuous below the apex, contiguous at the sinus. — Hook. Spec, 

 t. 134. S ; Gen. t. 64: A.—?, repandula, Lk., Mett. P. felosma, /. Sm. P. Plnmieri, 

 W. (ex pi. cult.). — Ultimate segments 8'" long, 2"' broad : rhachis 1'" broad. — Hab. 

 3&Trmc&\, Macf., Pd., WUs.; Trinidad!, Woodf.; [all tropical countries]. 



128. F. Swartziana, .i^y. .' Leaf pmnatiseci : segments pinnatipartiiej lowest 2-S- 

 sect : secondary ones linear-oblong, blunt, serrate above the sorus : ribs mucronulate above » 

 at the origin of their divisions : veins forked, all free, the lowest often inserted into thS 

 costa : petiole pale, purplish-brown below ; sori continuous, about half as long as the 

 leaf-segment. — Hook. Grev. Ic. t. 142.— P. biaurita, Sw. {non L.). Ultimate segments 8'" 

 long, 3'" broad ; rhachis IJ'" broad. — Hab. Jamaica !, Pd., Wils. 



129. P. deflexa, £^. Leaf 'i-Z-pinnatisect : ultimate segments oblong, dilated at 

 the base, subfalcate mucronate-pginted, cartilaginous at the margin, entire or few-serrate 

 above the sorus ; ribs mucronulate above at the origin of their divisions : ■ veins all free, 

 forked, or simple, subdistant ; petiole pale ; sori continuous below the apex. — P. stridens, 

 Ag. : the form with entire leaf-segments. P. flabellata, var. americana, 2g. (S. Vincent) is 

 to be compared with it. — Ultimate segments 6"' long, 2"' broad at the base. — Hab. Ja- 

 maica (Saner. : P. stridens, Jg.) ; [Venezuela I {Moritz) to Brazil] . 



130. V-iacisa., Thunb. Leaf 2-pinnatisect, glanaesceutheneath. : secondary segments 

 pinnatipdrtHe, distant, lowest approximate to the common rhachis : ultimate ovate-oblong, 

 bluntish, sUbentire, broad at the base : ribs unarmed ; veins dichotomoiis, usually connected 

 by their lowest branchlets : petiole pale, at length purplish ; sori continuous below the 

 apex.— iJ«(?<^«, Pil. Bras. t. 71. — P. vespertilionis. Lab. P. pallida. Sadd. P. glauca, 

 Moritz. — Our form is " scandent ;" secondary segments about 3"-2" long, 1 2"'-8"' broad at 

 the base. — Hab. Jamaica !, Lamb.., Bancr. ; [Guadeloupe ! and most tropical countries to 

 Australia, New Zealand !, and the Cape]. 



§ 3. Sori included between the revolute leaf-margin, and an inferior, usually narrower 

 indusium. — Veins forked, free {Ornithopteris, Ag.). 



* Petiole toith a single bundle of vessels. 



131. P. scalaris, Jlfon^a / Subscandent, glandular-hairy; leaf 3-2-pinnatiseet : seg- 

 ments distant, partial pinnatipartite, ultimate small, ovate or ovate-oblong, usually blunt : 

 petiole pale, with a single bundle of vessels ; sori continuous : indusium broad. — Hook. 

 Spec. t. 121. 3, t. 141. C— Inferior partial segments 8"'-2"' long, 4"'-l"' broad.— Hab. 

 Jamaica!, Macf, Wils. ; [Venezuela ! to Peru !]. 



** Petiole uoith many distinct bundles of vessels. 



Y 132. P. aquiUna,£., var. lanuginosa, Bory. Leaf 3-pinnatisect, villous beneath 

 , , and at the rhachis : ultimate segments oblong-lanceolate, blunt, broadly adnate at the equal 

 , lose, inferior subdistant ! petiole pale, with numerous bundles ; membranaceous part of the 

 ' revolute margin ciliate, distant from the rib. — The northern form (o) is only distinguished 

 by the glabrous rhachis, and the leaf pubescent or glabrous beneath. —Hab. Jamaica {Hook) ; 

 ^ [both temperate and tropical zones, our form in warmer climates]. 



133. P. caudata, L. Leaf 3-pinnatisect, sericeous beneath or " glabrous :" ultimate 

 segments linear or linear-oblong, blunt, superior oblique at t/te shortly decurrent, dovmward 

 If cuneate base, all usually distant, terminal .elongated : rhachis glabrous : petiole pale, vrith 

 numerous bundles ; membranaceous part of the revolute mai-gin ciliate or glabrescent, about 

 \ as broad as the segment.— S. t. 63. Plum. Pit. t. 29. — Segments V" broad, variable 

 in length. — Hab. Jamaica!, Lambert, Wiles; [Cuba! and Mexico! to Guiana]. 



