694 FILICES. 



var. pinnatum, Melten. !). — Fendler's PI. Venez. 446, is apparently a glabrescent form with 

 free veins.— 2'-3' high; segments H"-W long, 8"'-4''' broad.— Hab. Jamaica!, Pd., 

 Wils., Al.; S.Vincent!, Guild.; Trinidad !, Lockh. ; [Cuba! to French islands !, Sieb. 

 Mixt. 332 ; Panama ! to Brazil !]. 



265. A. reptans, Metten. {excluss. var. 1, 2). Leaf pinnatisect, hairy : segments ob- 

 long or ovate, blunt, crenate (or repand-entire), subtruncate at the shortly petiolulated, 

 equal base : veinlets simple, lowest pair anastomosing and sending a vein to the sinus 

 (rarely separated), following pair distant: rhachis filiform, often proliferous at the summit; 

 indusium abortive. — SI. t. 29. t. 30. /. 1. — Polypodium, Sw. P. repandum, Sw.? : this is 

 probably P. cordatum, Hook., a form with subentire segments, and most (not always all) 

 veinlets free. — A. reptans, var. 3, var. 4, Melten. ! {exclus. syn. Sw.). — Caspitose, decum- 

 bent; segments 12"'-4'" long, 5"'-4'" broad, much smaller in the proliferous part. — Hab. 

 Jamaica !, Pd., Wils., AL, on limestone rocks ; [Cuba!; Guatemala! to Brazil]. 



***** Leaf pinnalisect-pinnatifid, toith entire (rarely crenate) segments or lobes. 



266. A. hastifolium, Gr. Leaf pinnatisect, glabrescent : segments oblong-linear, 

 blunt, entire, hastate at the subsessile base, superior adnate, lowest much decrescent : vein- 

 lets free, simple or forked : rhachis puberulous ; indusium abortive. — Hook. Grev. Ic. t. 203. 

 — Polypodium, Sw. P. hastatum, Sw. A. reptans, var. 2, Metten.— H'-4" high, csespi- 

 tose; segments 12"'-6'" long, 2"' broad.— Hab. Jamaica !, M acf, M'Nab, Bancr., Pd., 

 in shady woods, and on rocks; [Cuba !]. 



267. A. scolopendroides, Metten. {exclus. var. 1, 3). Leaf pinnatipartite, pinna- 

 tisect at the base, pinnatifid at the summit, glabrescent: segments oblong or ovate, blunt, 

 entire (or crenate), lowest decrescent, distant: veinlets simple or forked, lowest pair ana- 

 stomosing near the rhachis, and forming a vein, that runs to the sinus: rhachis puberulous ; 

 indusium cordate-orbicular or suppressed. — Polypodium, Sw. A. "Wrightii, Eat. {PI- Cub. 

 824. Hook. Spec. t. 239) : a form with large indusia and the lowest segments upwards 

 auricled.— I'-l \' high ; segments 1 2"'-6'" long, 4"'-3'" broad.— Hab. Jamaica !, Pd., Wils., 

 in dry places, on rocks ; [Cuba ! to French islands !]. 



268. A. incisum, Gr. {non Sw.). Leaf pinnatifid to or beyond the middle, tapering 

 into a subentire base, somewhat rigid, puberulous at the ribs beneath : lobes oblong or 

 ovate, entire : -veinlets simple (or forked), 2-3 lowest pairs anastomosing at and below the 

 sinus by a special vein : rhachis puberulous beneath ; indusium cordate-orbicular. — Plum. 

 Fil. t. 91. Kze. Farnkr. t. 120.— Polypodium, Sw. A. stenopteris, Kze. A. scolopen- 

 droides, var. 1, Metten. /— 8"-20" high, l£"-8'" broad at the middle ; lobes 3"'-4"' broad 

 at the base, blunt or pointed. — Hab. Bahamas !, Eraser ; Jamaica !, Macf., in woods ; [Cuba 

 to New Granada!]. 



§ 3. Most veinlets in a loose network. 

 * Leaf pinnatisect. 



269. A. guianense, Kl. Leaf pinnatisect, glabrous : segments numerotis, lanceolate, 

 acuminate, serrate or repand-entire below the serrate apex, oblique at the shortly petiolu- 

 lated base, terminal pinnatifid or lobed at the base : veins forming angular meshes (some- 

 times free) ; sori scattered pluriserial : indusium peltate-orbicular. — Hook. Spec. t. 234. 

 A. abbreviatum, Hook, {non Schrad. .- Schrader's Fern, communicated by Kunze, has the 

 segments pinnatifid with blunt lobes and the regular veins of Goniopteris).—2' high; seg- 

 ments 3"-6"long, 6'"-12'" broad.— Hab. Jamaica!, Wils.; Trinidad !, Cr., in wet places, 

 Aripo ; [New Granada, Guiana !, Brazil]. 



270. A. meuiscioides, W. Leaf pinnatisect, coriaceous, glabrous : sterile segments 

 5-8-jvgal, oblong, shortly acuminate, subentire, obliquely cuneate at the subsessile base, 



fertile contracted, lanceolate : veinlets in serial meshes, most meshes mthfree appendages; 

 sori confluent: indusium "peltate," deciduous. — Hook. Grev. let. 121.— A. confertuin, 

 Hook. Grev.— Stout, 3'-6' high; sterile segments 6" long, l\" broad, fertile 3"-4" long, 

 6"'-8"' broad.— Hab. Trinidad !, Schk., Pd., in damp woods, Aripo ! ; [Guiana ! to Brazil !> 



271. A macrophyllum, Sw. Stout ; leaf pinnatisect : segments 4-8-jugal, oblong, 

 acuminate, repand or sinuate, distant, lowest often 2-parlile, most sessile, aduate-decur- 



