ASPIDIUM, § POLYSTICHUM. 11 



umbo in the centre. — Sw. Syn. Fil. pp. 46 and 243. IVilJd. 

 Sp. PL V. p. 233. Lowe, Prim. Fl. et Faun. Mad. p. 5. Hook. 

 Niger Fl. p. 83. Metten. Aspid.p. 42. Hook. Fil. Exot. t. 53. 

 Polystichum, Pr. — jB. suhhastatum ; pinnae auricled on Ijotli 

 sides at the base. Hook. I. c. 



Hab. Madeira; summits of the mountains, especially in cool shady ))laces, 

 Ma-tson, Louw ; Ribeiro Frio and Curral, Vogpl, Lippold, Lcmann,J. D. Hooker. — 

 Var. /3. North side of Paul de Serra, near 5000 feet elev. ; Lowe in Herb. Noxtr., 

 Lcmann. — This Fern was long mistaken for the Ceylon A. auricnlatum, till the 

 Rev. Tbos. Lowe cleared up all the difficulties respecting it. It is also allied to the 

 two North American species, A. acroslichoides and A. mimiium. 



11. A. (Polystichum) auriculatum, Sw. ?; caudex short thick 

 erect or oblique more or less copiously scaly, stipites brown 

 or stramineous 4 inches to a span long more or less paleace- 

 ous as is the rachis, fronds \ a foot to 2 feet long oblong- or 

 broad-lanceolate pinnated submembranaceous or coriaceous, 

 pinnae horizontal varying much in size and form 1-3 inches 

 in length sessile or nearly so, in the normal state from a broad 

 cuncate base truncated and sharply auricled above excised 

 beneath falcato-lanceolate acuminate subentire or serrated 

 especially on the upper margin and towards the apex un- 

 armed, or varying extremely in length and breadth and be- 

 coming more or less pinnatifid with the segments or lobes or 

 teeth variously spinulose often deeply pinnatifid and even 

 again pinnate at their base, sori in two rows nearer the margin 

 than the costa, involucres very fugacious brown membra- 

 naceous. — Normal form : pinnae submembranaceous nearly 

 entire at the margin or serrated, teeth rarely spinulose. 

 (Tab. CCXW\l\.)—Siv. Syn. Fil. p. 44? [excl. syn. Schk.). 

 IVilld. Sp. PL Y.p. 227. Metten. Aspid. p. 40. Polypodium, 

 Linn. Sp. PL j). 1548. Fil. Zeyl. p. 383. Filix Zeylanica, 

 etc., Burm. Zeyl. p. 98. t. 44./. 2. — Var. coriaceiim ; pinnae 

 coriaceous broad the margin more or less strongly lobed or 

 serrated and spinulose, fronds sometimes viviparous at the 

 apex. — A. marginatum (auricle sometimes free). Wall. Cat. 

 n. 3f)6. Metten. Asplen. p. 59. — Var. subhipinnata ; pinnae 

 subcoriaceous variously and deejjly lobed and toothed, below 

 frequently again pinnated, the lobes and pinnules spinulose 

 (thus bordering upon A. aculeatum, var. lohatitm). — A ocella- 

 tum, JVall. Cat. n. 98. A. lentum, Don, Syn. Nep. p. 4. 



Hab. India. Normal form ; abundant in Ceylon and the Madras Peninstda, 

 Burmann, Wallich, Gardner, Thwaites, Wight, etc., less common in other ])aris 

 of India; Khasya, Hook. fil. and Thomson; lihotan, GriJ/i(h. and there more fre- 



