502 The Cryptogamoiis Plants of Dr. Roxburgh, 



line, half-way between the nerve and margin. Involucre 

 obscure. 



Nat. of the Moluccas, grows about 12 or 18 inches high. 



2. B. glahrum. R, Tasnitis blechnoides. Sw. Wall. Cat. 

 62, No. 141. 



Stipes smooth. Fronds (3-4 feet high,) suboppositely pin- 

 nate ; leaflets short-petioled, linear-lanceolate, entire, rather 

 obtuse, firm and smooth. Fructifications in an uninterrupt- 

 ed line, half-way between the nerve and margin. Involucre 

 obscure. 



Nat. of Prince of Wales' Island, where it is found growing 

 under the shade of lofty trees. 



3. B. decurrens. R. 



Stipes smooth ; fronds alternately pinnate ; leaflets (above 

 a foot long,) linear, sessile, attenuated at the base, and de- 

 current. Lines of the fructification close to the nerve. 



Found by Dr. Hunter, on Prince of Wales' Island. 



4. B, moluccanum. R, Blechnum orientale, Linn. Wall. 

 Cat. 61, No. 57. 



Stipes smooth. Fronds (6-9 feet high,) alternately pinnate ; 

 leaflets ensiform, firm, -smooth, and entire. Fructifications 

 close to the nerve of the leaflets. Involucre of a very firm 

 texture, and separating from the nerve. 



Nat. of Prince of Wales' Islands, Moluccas, ^c, 



14. PTERIS. 



Fructifications in an uninterrupted marginal line. In- 

 volucre from the margin of the frond, turned in uninterrupt- 

 ed, separating on the inner side. 



P. graminifolia. R. Icon. Roxb. 14, t. 104, f. 3.* 

 Parasitic. Fronds linear, very long {2-3 feet) entire pen- 

 dulous. 



Vittaria.— W. G. 



