TAB) CCOXXXIV. 
NEPHRODIUM ELONGATU M. 
FILICES.—Gvnarx. Br.  PorvpoprACEE. Kaulf. | Firiczs ver. Willd. 
Gzw. Cuan. IVEPHRODI UM, Br. Sori rotundi, dorsales. Znvolucrum reniforme, sinu affixum, 
marginibus liberis. Zr. 
NEPHRODIUM elongatum frondibus bipinnatis pinnulis superioribus subovatis, intermediis oblongis 
sublobatis, inferioribus elongatis subpinnatifidis, omnibus argute serratis glabris subtus minute 
crystallino-glandulosis subsquamosis, involucris convexis glandulosis, stipite inferne squamis 
grossis paleaceis. 
Aspidium elongatum. — Swartz, Syn. Fil. p.55.  JF'illd. Sp. Pl. v. 5. p.269. Spreng. Syst. 
leget. v. 4. p. 107. 
Polypodium elongatum. 74i. Hort. Kew. ed. 1. v. 8. p. 465. 
Tectaria elongata. * Cav. z4nn. de Hist. Nat. v. 4. p.101? 
Has. In Madera. 74asson; Bev. R. T. ES Insulis Ázoriis. 7Masson.  *In Teneriffa" 
(IFilldenow). 
Spes pedalis, erectus, firmus, flavescenti-fuscus, subangulatus, facie anteriore sulcatus, Squamosus; squamis 
magnis, paleaceis, inferne densissime imbricatis, intense fuscis, nitidis, ovatis, valde acuminatis, unciam fere 
longis. 
Frons bipedalis et ultra, bipinnata, circumscriptione ovata, acuminata, subcoriaceo-membranacea, lete viridis, 
glabra, subtus pallidior et minutissime glandulosa; glandulis crystallinis. —.Pimme horizontales; inferiores 
longiores, ovate, acuminatze; supreme sublineares: pinnule pinnarum superiorum brevissime confluentes, 
subovate; Znfermediarum oblongse: superiores confluentes, Zmferiores liberze, sublobate, versus basin pra- 
cipue: znferiorum elongate, oblongo-lanceolate, pinnatifidae; omnibus obtusis argute serrulatis, sessilibus, 
costatis, nervosis. Cos/a subtus squamis subsolitariis fuscis rotundato-breviformibus tecta. 
Sori rotundati, numerosi, in pinnulas biseriatim dispositi, costae approximati. 
Involucrum reniformi-rotundatum, valde convexum, minute glandulosum, pallide fuscum, sinu profundo. 
Capsule numerosse, fuscae, pedicellate, annulo incompleto cinctze. 
Semina intense fusca, ovali-globosa, subangulata. 
Fig. 1. Pinnula sterilis e parte superiore pinnae, subtus visa. f.2. Involucrum. f. 3. Capsule. f.4. Semina:— 
magn. auct. 
This Fern appears to be very little known to botanists, and we are much indebted to the Rev. 
R. T. Lowe for sending us fine specimens gathered in Madeira, at Ribeiro d'Amestade, at an 
elévation of 3000 feet above the level of the sea, and from which our figure and description have 
been made. "These, too, we have had an opportunity of comparing with an authentic specimen of 
Mr. Masson's, and thus determining it to be the Polypodium elongatum of the Hortus Kewensis. It 
is assuredly allied to /VepArodium F'iliv Mas; but its peduncles are more slender, more compound, 
more elongated, the underside is minutely dotted with crystalline glands, and the involucre, which 
is very convex, is also studded with glands, some crystalline, others opake. 
