502 KEPHROD1UM. 



lobes rhomboid or lanceolate, close, bluntish, largest subentire in. br. ; texture 

 rigidly coriaceous ; surfaces glossy, naked, dull-green ; sori medial, many to 

 each final lobe ; inv. large, glabrous, persistent. Sp, 4. p. 148. 



Hab. Guiana and Amazon Valley. 



153. N. (Last.) amplissimum, Hk. ; st. l|-2 ft., brownish, naked ; fr. ample, 

 4-5-pinnatifid, 2-3 ft. 1. ; lower pinnae deltoid, stalked, produced on lower side ; 

 lower pinnl. and segm. stalked, deltoid, cuneate-truncate on lower side at base ; 

 final lobes blunt, oblong, upper equal, lower narrowed at base, largest subentire 

 1-1| lin. br. ; texture moderately firm ; rachises fibrillose ; surfaces green, glabrous ; 

 sori middle-sized, one to each upper final lobe at base, 2-3 to lower ; inv. 

 glabrous, subpersistent. Sp. 4. p. 145. Acrophorus fallax, Regel. 



Hab. Guiana and Brazil. Includes A. biforme, phosochlamys, ramosum, macrum, and 

 latissimwm. of Fe"e. 



157*. N. Levyi, Baker ; st. tufted, 4-6 in., grey, pubescent, slightly scaly ; 

 scales lanceolate ; fr. lanceolate, \-\ ft. 1., l|-2 in. br., simply pinnate in lower, 

 pinnatifid in upper half ; lower pinna ligulate, blunt, adnate, rather falcate, 

 entire, f-1 in. 1., ^-| in. br., lowest much reduced ; texture chartaceous ; rachis 

 grey, densely pubescent ; surfaces dull-green, slightly downy ; veinlets distinct, 

 lower in groups of 3-5, joining near edge ; sori minute, most uniserial nearer 

 costa than edge ; inv. minute, fugacious. Aspidium, Fourn. Bot. Zeit. 1873, p. 7. 



Eab. Nicaragua, Levy, 463. 



162*. N. nitidulum, Baker ; st. 2J ft., reddish, naked ; basal scales brown, lan- 

 ceolate ; fr. 2 ft. 1., oblong-lanceolate, bipinnatifid ; pinnae ligulate, 4-5 in. 1., 

 | in. br., lowest stalked, cut down to a broad wing into blunt lobes, the lowest 

 of which are reduced ; texture chartaceous ; surfaces naked, except a few deci- 

 duous scales on the midribs below ; veins simple, 7-9-jugate, only lowest joining ; 

 sori inframedial ; inv. ciliated. Aspidium nitidulum, catacolobum, and ano- 

 pteron, Kze. 



Hab. Bahia, Moricand. 



172*. N. connexum, Kuhn ; st. and rachis stramineous, pubescent ; fr. oblong- 

 lanceolate, 2-3 ft. 1., bipinnatifid ; pinnae sessile, patent, ligulate-acuminate, with 

 a callose gland at the base, lower 9-10 in. 1., 1 J in. br., cut down to a broad wing 

 into lanceolate-falcate subacute lobes in. br. ; texture rigidly subcoriaceous ; 

 surfaces dull-green, downy on the ribs ; veins distinct, 16-18-jugate; sori small, 

 subcostular ; inv. distinct. Baker, Fl. Bras.fasc. 49. p. 489. 



Hab. Cayenne, Martin. 



172*. N. elatum, Baker ; rhizome wide-creeping ; st. 1 ft., grey, downy, not 

 scaly; rachis downy ;fr. oblong-lanceolate, 3-4 ft. 1., 1^-2 ft. br., bipinnatifid ; 

 pinnae sessile, ligulate-acuminate, central 9-15 in. 1., 1-1 \ in. br., cut down to a 

 broad wing into close rather falcate blunt lobes 2-2 lin. br., lowest distant and 

 much reduced ; texture moderately firm ; surfaces dark green, densely downy on 

 ribs and edge ; veins 14-16-jugate ; sori large, medial ; inv. minute, fugacious. 

 Aspidium, jBojer, MSS. 



Hab. Mauritius, Lady Barkly ; Natal, Buchanan. A. maximum, Bojer, from Mau- 

 ritius, differs by its more rigid texture, more distinct 16-18-jugate veins, and smaller sori. 



173*. N. procerum, Baker ; st. and rachis stramineous, glabrous or faintly 

 downy ; fr. oblong-lanceolate, bipinnatifid, 2-3 ft. 1., 15-18 in. br. ; pinnce sessile, 

 ligulate-acuminate, central 6-9 in. 1., f-1 in. br., cut down to a broad wing into 

 falcate subacute lobes 1^-2 lin. br., lowest abruptly reduced ; texture rigidly sub- 



