CYATIIEA. 453 



naked ; veins distant, distinct, 5-6-jugate, lower forked ; sort nearer midrib than 

 edge ; inv. large, glabrous, persistent, breaking up irregularly. 



Hab. New Caledonia, Richards. Midway between propinqua and Vieillardii. 



53*. C. Moorei, Baker ; fr. ample, tripinnate ; rachis grey, densely matted 

 with pale-brown tomentum ; pinnae oblong-lanceolate, 1-li ft. 1. ; pinnl. close, 

 sessile, ligulate acuminate, 4-5 in. L, ^-f in. br., cut down to rachis into close, 

 ligulate, falcate, inciso-crenate blunt segm. 1 lin. br. ; texture moderately firm ; 

 upper surface bright-green, lower glaucous, with deciduous lanceolate scales on 

 the main ribs ; veins 8-12-jugate, distinct, forked ; sori small, medial ; inv. 

 hidden by the sorus, depressed, membranous, fragile, breaking up irregularly, 

 sometimes quite disappearing. 



Hab. Lord Howe's Island, C. M oore. General babit very like that of Alsophila 

 auslralis. 



54*. C. societarum, Baker ; fr. ample, tripinnate ; main rachis stramineous, 

 rough, with raised points ; pinnae oblong-lanceolate, 1-1^ ft. 1., with naked 

 rachises ; pinnl. sessile, 3-4 in. 1., f in. br. ; segm, 1 lin. br., entire, falcate, 

 bluntish ; texture moderately firm ; both surfaces green, with pilose main ribs ; 

 veins 10-12-jugate, forked ; sori medial, filling up the space between edge and 

 midrib ; inv. large, fragile, glabrous. 



Hab. Society Islands, Bidwell. 



54*. C. Cumingii, Baker ; fr. ample, tripinnate ; rachises stramineous, naked, 

 densely muricated ; pinnae oblong-lanceolate, l|-2 ft. 1. ; pinnl. lanceolate, 

 sessile, 4-6 in. 1., 1-1 \ in. br., cut down to the rachis ; segm. close, lanceolate, 

 in. br., entire, acute ; texture firm, subcoriaceous ; under surface quite naked ; 

 veins close, raised, distinct, 14-16-jugate, the lower forked or subpinnate ; sori 

 filling up the whole space between midrib and edge, sometimes 20 to a segment ; 

 inv. large, glabrous, fragile. C. affinis, edit. 1. ex parte. 



Hab. Coral Island, Beechey ; Pitcairn's Island, Cuming, Matthews. 



55*. C. albifrons^f'i&\\\.. ;fr. ample, tripinnate ; rachis naked, grey-stramineous, 

 not muricated ; pinnce oblong, 12-18 in. 1. ; pinnl. crowded, ligulate, cut down 

 to the rachis, 3-4 in. 1., 1 in. br., the lower distinctly stalked ; segm. ligulate, 

 blunt, in. br., distinctly crenate ; texture rigidly coriaceous ; both sides 

 glabrous, lower white ; veinlets 8-9-jugate, with a sorus to each ; sori nearer 

 edge than midrib, moderately large; inv. glabrous, membranous, bursting 

 irregularly. 



Hab. New Caledonia, Pancher, Richards. 



55*. C. sclerolepis, Baker ; fr. rhomboid, tripinnate, 2-3 ft. 1. ; st. grey-stra- 

 mineous, muricated ; basal scales linear-subulate, brown-black, shining, very 

 firm ; central pinnce under 1 ft. 1., lowest much reduced ; pinnl. sessile, 1^-2 in. 

 1., A-$ in. br., cut down to rachis ; segm. % in. br., blunt, entire, falcate ; texture 

 moderately firm ; both surfaces green, glabrous except the ribs above ; veinlets 

 5-6-jugate, forked ; sori small, medial; inv, glabrous, membranous. 



Hab. New Caledonia, Vieillard. May be the C. funcbris of gardens, which I have only 

 been able to see in a very young state. 



55*. C. interjecta, Baker ; fr. ample, tripinnate ; rachises grey, naked, slightly 

 muricated ; pinnae, oblong-deltoid, above 2 ft. 1., 1 ft. br. ; pinnl. long-stalked, 

 lanceolate caudate, 5-6 in. 1., 18-21 lin. br. ; segm. ligulate, blunt, 2-2^ lin. br., 

 lower 3-4 lines apart, sometimes stalked and lobed to the rachis down at the base. 



