OPHIOGLOSSUM BULBOSUM. 



BULBOUS-ROOTED ADDER'S TONGUE. 



Cryptogamia, Filices, Linn. Filtces, Juss. 



SPECIFIC CHARACTER. 



Spike cauline ; frond sub-cordate-ovate, acute, reticulated j root bulbous. B. 



SYNONYM. 



Opiiioglossum crotalophoroides, Walt. Fl. Car. 256. 



Plant about a span high, often shorter. Root perennial, a glo- 

 bose umber-brown bulb, with two or three radicles proceeding 

 from the under part, and invested with tunicatcd scales at its apex. 

 Stipe simple, naked, terete, supporting a single, heart-shaped, acute, 

 entire frond, reticulatcly veined on its upper disk. Spike about three- 

 quarters of an inch long, linear, acuminated, pedunculate. Pedun- 



VOL. II. 16 



