Musci Exortict.—WMensiestant. 
JUNGERMANNIA BILLARDIERI. 
Jungermannia caule erecto dichotome ramoso, foliis 
arcte imbricatis ovatis spinoso-denticulatis, stipulis 
magnis transversim oblongis denticulatis. (Tas. LXI.) 
J. Billardieri. Schwaegr. Musc. Hepat. Prodr. p. 19. 
Has. In sinu Dusky Bay dicto, apud Novam Zeelandiam. 
D. Menzies, 1791. In insula Van Diemen. D. La Billardiére. 
Caulis pleramque erectus, simplex, vel dichotome divisus, ramis 
erectis, Folia dense imbricata, sordide fusco-viridia, plani- 
uscula, ovata, margine spinoso-denticulata, inferne decurrentia. 
Stipule eS ratione f cprsiens ss isis ee. fete meas 
dine, vald 
margine ec basi cabdenesiites, et non rato spunea 
dentate. Foliorum stipularumque substantia mollis, reticu- 
lata, areolis grandiusculis. 
The very large, transversely oblong and closely imbricated sti- 
pules will readily distingush this species from any other with which 
Tam acquainted. I think T am correct in considering it to be the 
J. Billardieri of Schwaegrichen; his words being ‘ J. caule 
erecto subramoso, foliis imbricatis ovatis acutis omni margine 
serratis, stipulis arcuatis dimidio minoribus ;”—and I am the 
more inclined to think them one and the same plant, because 
M, La Billardigre has given me very fine. specimens, which he 
gathered in Van Diemen’s Land, of the same species, but with- 
out a name, 
Fig. 1, plant seen from its superior surface. Fig. 2, plant 
seen from inferior ditto, nat. size. Fig. 3, portion of a stem, 
‘Upper side, Fig. 4, lower side. Fig. 5, leaf. Fig. 6, stipule.— 
magn, 
