5. HEMITELIA, EUHEMITELIA. 27 



iii a cup-like form, with very irregular margins, occupying most of the breadth 

 of the lobes. 



Hab. Sunday or Raoul Island (of the N. Zealand region), Milne & McGilivray). 

 I give this as a new species with considerable hesitation. It has the deciduous wool of 

 C. dealbata (to which Mr. Moore is disposed to refer it), but the aspect rather of C. affinis, 

 of which, however, it wants the decided prickles. 



54. C. affinis, Sw. ; st. and main rachis brown, strongly tuberculato-muricate ; 

 fr. amply firm-coriaceous, probably subcarnose in a recent state ; prim, pinnae 

 l|-2 ft. 1., 6-10 in. w. ; pinnl. sessile, J-l in. br., oblong-lanceolate, deeply to 

 the very costa pinnatifid, often towards the base again pinnate ; segm. ^-f in 1., 

 oblong, falcate, obtuse, entire ; the ultimate pinnl., and generally the most fertile, 

 subpinnatifi do-serrate ; veins once or twice forked ; sort copious, rather nearer 

 the costule than the margin, compact to the apex ; invol. membranaceous, fragile, 

 breaking down from the apex in a very irregular manner ; costules beneath with 

 few small deciduous scales. Sw. Syn. Fil. p. 140 and 358 ; Brack. Fil. p 283.? 

 Polypodium, Forst. C. extensa, Sw. Schk. Fil. t. 132. a-c. C. propinqua, Mett. ? 



Hab. " Pacific Isles," Forster. Fiji, Brackenridge, Milne, Seemann. Lord Howe's 

 Island, Milne. Pitcairn's Island, Mathews, Owning (involucres rather more membrana- 

 ceous). Cape Otway Roughs, Victoria, Wilkinson, (Mueller}. I possess a specimen of 

 this plant from Forster's Herbarium, but unnamed, and I believe it to be the true C. 

 affinis Sw., possibly the same as C. medullaris of N. Zealand. 



55. C. Vieillardii, Mett. ; " unarmed ; fr. subcoriaceous, dark-green above, 

 densely hairy, rusty on the costcc and rachises, bi-subtripinnate ; prim.pinncel ft. 1. ; 

 second, ones sessile, ovato-oblong or lanceolate, deeply pinnatipartite, subpinnate 

 at the base, acuminate and obtusely serrate at the apex ; lobes oblong, obtuse or 

 acute, obtusely serrate ; sort at the forking of the veins, intermediate between the 

 costule and the margin ; invol. membranaceous, gradually breaking down and 

 disappearing (fatescens)." Mett. Fil. N. Caled. Ann. tic. Nat. Bot. 1861, p. 82. 



Hab. Balade, N. Caledonia, Vwillard. " Near D. Cunninghami (Hk. f.), which differs 

 in being rnuricated, the lobes sharply serrated, and in the sori being costular." I have 

 seen only a small specimen of this from M. Lenormand's collection. 



GEN. 5. HEMITELIA, Br. 



8ori globose, dorsal upon a vein or veinlet. Recept. elevated. Invol. a scale 

 situated on the underside of the sorus, varying in size, and shape, and texture, 

 often indistinct, and often very deciduous. Mostly tropical and arbor escent,unth the 

 habit of Cy&thea, ; a connecting link, as it were, between the latter genus and Alsophila, 

 consequently often difficult to recognize. Fronds ample, pinnate or decompound. 

 Veins pinnated, simple or branched, free, or, the costal ones especially t more or less 

 TAB. I. f. 5. 



Euhemitelia. Costal veins anastomosing. TAB. I. f. 5. b. Sp. 1-5. 

 * Pinnate. Sp. 1-5. 



1. II. (Euhemit.) Karsteniana, Kl. ; st. muricated and scaly at the base ; scales 

 white, dark-brown in the centre ; fr. ample, coriaceo-membranaceous, pinnated ; 

 pianos sessile, a span to 1 ft. 1., H-2 in. w., from a truncated base, elliptical, 

 short-acuminate, quite entire, or more or less lobed at the very margin ; sori 

 (when perfect) in two oblique lines, meeting towards the rachis, and forming a 

 series of the letter V between each pair of costules. Kl. Bot. Zeit. 12. p. 439 ; 

 Mett. F. H. Lips. p. 111. t. 29. /. 1-4. 



Hab. Caracas, Karsten, Fend/er, n. 386 Fund; n. 769. 



2. II. (Euheimt.)^Mfo'wma, Kze. ; st. rough, but scarcely muricate ; fr. ample, 

 pinnate ; pinnce remote, subpetiolate, firm-membranaceous, from a cuneato- 

 truncated base, oblong or elliptico-lariceolate, finely acuminate, 10-12 in. 1. by 

 1-2 in. br., the margin inciso-lobate ; lobes 2-4 lines' 1., with generally an acute 



