TRICIIOMANKS. 1 1 ;> 



than the fertile ones broadly lanceolate pinnatifid, the seg- 

 ments nearly horizontal oblong sinuato-crcnatc, veins ])in- 

 naled, spike linear witli dislichous free urceolate stipitale 

 involucres. — T. elegans, Riidye, I. c. fin part, apike only J. 

 Hook. E.vot. Ft. I. 52. T. spicisoruni, Desv. T. osmundi- 

 oides, Bory. Feea polypodina, Bory in Did. Sc. Nat. cum Jr. 

 Hab. Guiana, Martin. St. Vincent, L. Gnilding. Trinidad, Lockharf. 

 Guadeloupe, (lionj). Woods of Portland, Jamaica, Purdie. — General lia- 

 bit of the precediufi^, one half or two thirds the size. Rachis pinnated, as 

 it were, with closely-placed but unconnected involucres. 



3. T. nanum, Bory ; " fronds pinnated, pinnules ovate, 

 spikes slender." Bory in Diet. Class. Hist. Nat. cum Ic. 



Hab. Guiana, Poiteau. — This I only know from authentic specimens in 

 Mr. Reward's collection, one of which he has been kind enouf^h to pive me. 

 It is much smaller than the latter, and differs in the sterile fronds being 

 pinnate, especially below, instead of pinnatilid : the involucres are more 

 remote, less patent, and their rachis is sterile and membranaceous at the 

 apex: while the rachis of the barren frond is often lengthened out into a 

 long creeping and proliferous cauda. 



Subgen. III. EuTRicHOMANES. Sterile and fertile fronds simi- 

 lar or nearly so. Involucres never spicule. 



* Fronds entire, lobed or digitate. (Sp. 4. — 19). 



■f Veins radiating from the base or fiahellate, dichotomous, rarely and only 



very partially reticulated. Caudex creeping. (Sp. 4 — 8). 



4. T. reniforme, Forst. ; fronds coriaceous almost horny 

 when dry reniform entire with a deep sinus below, the base 

 decurrent on a long stipes, involucres copious crowded mar- 

 ginal terminating almost every vein cuneato-cup-shaped, co- 

 lumella exserted clavate clothed to the top with capsules. — 

 Forst. Prodr. n. 462. " Hedw. Fit. cum Ic^ Sw. Stpi. Fil. 

 p. 141. WiUd. Sp. PL \.p. 49.9. Hook, et Grev. Ic. Fil. t. 31. 



Hab. New Zealand, Banks and Solander, Forsier and all travellers. — Cau- 

 dex creeping, very long. Fronds 4 — 5 inches broad, semi-pellucid, some- 

 what fleshy when recent. V^eins beautifully radiating from the base, rather 

 close, dichotomous, occasionally anastomosing. 



5. T. memhranaceum, L. ; caudex creeping tomenlose, 

 fronds rather small sessile thin membranaceous suborbicular 

 or obovate and cuneate or cordate at the base, margins entire 

 often deeply incised bordered with double peltate scales, 

 involucres copious sunk cylindrical attenuated below, the 

 mouth 2-lipped, veins flabelliform dichotomous crowded dis- 

 tinct, reticulations minute. — Linn. Sp. PL p. loOO. Sn\ Fl. 

 Ind. p. 1724. Syn. Fil. p. 141. Willd. Sp. PL v. ;/. 499. 

 Hook. Exot. Flora, t. 7t>. Filix Hemionitis, &c., Pliik. Am. 

 t. 285, /; 3. Plum. Fil. t. \i)\,f. A. 



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