OPHIOGLOSSUM LUSITANICUM. 



331 



PIGMY ADDEE'S TONGUE, {natural size) . 



Genus. — Ophioglossum. (See page 326). 



Species. — Lusitanicum. Caudex elongate, ovate, descend- 

 ing perpendicularly : roots succulent, spreading horizontally 

 amongst the radicles of grasses : harren branch of the frond 

 narrow, linear, sometimes lanceolate, obtuse : fertile branch 

 club-shaped. 



Bu^m^M^, fyms, ^r. 



Ophioglossum lusitanicum, Linn. Sp. PI. 1518 ; Swartz, Syn. 

 Fil. 169 ; Willd. Sp. PI. v. 59 ; Woods, Tourist's Flora, 

 426 ; Lindley, Veg. Kingd. 77 ; Newm. Pliytol. v. 80. 



