The Cryptogamous Plants of Dr, Roxburgh. 483 



4. P. phyllitidis* Aspidiun Singaporianm, Wall. Cat. P. 

 64, No, 374 ? 



Stipes scaly near the base. Fronds (6-12 inches,) lanceo- 

 late ; entire, smooth. Fructifications in numerous scattered 

 spots. Involucres obscure. 



Nat* of Chittagong. 



5. P. pertusum. R. Icon. Roxb. 14, t. 94.* Wall. Cat. 

 p. 10, No. 267, 



Parasitic, creeping. Fronds lanceolar, fleshy, entire, acu- 

 minate ; above smooth ; underneath covered with minute 

 scales. Fructifications lodged in deep pits, and so numer- 

 ous over the upper half of the fronds, as often to render that 

 part subcylindric. Involucre none. 



A native of the Delta of the Ganges^ where it surrounds 

 the trunks of trees with its brown woolly roots, interwoven 

 with various kinds of moss, &c. 



Stems about as thick as a pack-thread, covered with dark, 

 rust coloured scales. 



Stipes round, channelled, covered with minute stellate 

 scales. 



Fronds lanceolate, fleshy, veinless ; above smooth ; under- 

 neath covered with minute stellate scales like the stipes. 

 The fertile are in general narrower towards the point, with 

 their margins involute, so as to appear like subcylindric 

 spikes. 



Fructifications in deep pits over the exterior portions of 

 the fronds. 



6. P. tomentosum, R. Icon. Roxb. 14, t. 95.f P. mysur- 

 ense Heyne.? Wall. Cat. p. 64, No. 269. 



Parasitic. Fronds lanceolate, entire, acuminate ; downy 

 underneath. Fructifications over the centre, and nearly hid 

 by the thick, soft, stellate down. 



Nat. of Hindoostan, on trunks of trees. 



Niphobolus.— W. G. t Niphobolus.— W. G. 



