
orinoci r.dssuM
GENUS I.
1 ■
OPHIOGLOSSUAI. L innasos.
A SM A L L family of herbaceous F erns, having the sterile and
fertile branches distinct, y e t on the same stem.
Veins reticulated.
The name derived from the Greek, ophios—a serpent, and
glossa—a tongue; hence the name A d d e r’s-tongue.
There are two British species,— Ophioglossum vulgatiim and
O. lusitanicum.
Kun z e , in his “ In d ex F ilicum,” enumerates—
O. hulbosum, Michaux, N o rth
America.
— gramineum, Willdenow, I f esx
Holland.
■— palmatum, Linnmus, American
Meridian.
— reticulatum, Linnceus, American
Aleridian.
O. costatuin. Brown, New H o lland.
— lusitanicum, Linnceus, F u rope.
— pcdunculosum, Desvaux,
Java.
— vulgatum, Linnceus, Europe.
Sprengel, in his “ Systema Vcgetabilium,” gives—
O. vulgatum, Linnceus. O. costatLim, Brown.
— ovatum, Swartz, Alolucca.
— petiolatum, Ilooher, India.
— reticulatum, Linnceus.
— hulbosum, Michaux.
— ca.]>eTi?,e,Schlechtendcd,Mv\C3..
— lusitanicum, Linnceus.
— gramineum, Willdenoio.
— bergianum, Schlechtcndal.
— pendulum,Xmn(®2is,AIolucca.
— palmatum, Linnceus.
Helminthostachys dulcis, K a u lfu
s s , India.
H . mexicana, Sprengel, Mexico.