510 The Crypiogamous Plants of Dr. Roxburgh. 



than half an inch broad ; the barren and fertile are alike 

 in shape and size. 



Fructification in an uninterrupted line, on the anterior 

 margins ; that is, from the middle of the frond to within half 

 an inch, or an inch of the apex, with a double involucre. 



2. V. diver gens, R. Wall. Cat. 65, No. 2191. 



Stipes polished, black. Fronds linear, (12-15 inches 

 high,) alternately-pinnate; leaflets subensiform, obtuse, ap- 

 proximate, diverging, enlarged at the base on the upper 

 angle, f Fructifications as in Pteris, but with double invo- 

 lucre,) 



Nat. of Prince of Wales' Island^ where Mr. W. Roxburgh, 

 Jun. found it growing in cool shady places. 



3. V. reseda. R. 



Stipes smooth; fronds oblique, (6-12 inches high,) alter- 

 nately pinnate ; leaflets sessile, subtrapeziform, obtuse, smooth. 

 (Fructifications in a continued line on the anterior margin 

 and round the apex. Involucre double.) 



Nat. of Chittagong. 



4. V, lunulata. R. 



Fronds subsessile, linear, (6-12 inches high,) straight, al- 

 ternately pinnate ; leaflets sessile, approximate, (touching,) 

 crescent-shaped, with inner edge straight. (Fructifications 

 in a continued line, on the anterior and exterior margins. 

 Involucre double.) 



Nat. of Prince of Wales' Islatid. 



5. V. parasitica. R. Lindsasa parasitica. R. Wall. Cat. 65, 

 No. 2196. 



Parasitical. Stipes short, smooth, alternate on the creep- 

 ing stem. Fronds oblong, alternately bipinnate, (about 2 

 feet high ;) pinnae linear ; leaflets small, sessile, approximate, 

 subtriangular, with the anterior side or margin, where the 

 line of fructifications is found, circular. (Involucre double.) 



Nat. of Prince of Wales' Island, where it was found by 

 Mr. W. Roxburgh, Jun. growing on the trunks of trees. 



