Muscti Exorict.—WMenziesiani. 
JUNGERMANNIA SPHAGNOIDES. 
Jungermannia caule adscendente ramoso, foliis bifariam: 
imbricatis lanceolatis denticulatis convexis, basi sub- 
tus auriculatis, auricula oblonga inflata, calyce laterali 
oblongo plicato apice denticulato. (Tas. XLVIL.) 
J. sphagnoides. Richard MSS. Schwaegr. List. 
Musc. Hepat. Prodr. p. 23. 
Has. Insula St® Helene. D. Menzies, 1795, et D. Burchell. 
Insula Francie et Borbonie legit Aubert du Petit Thouars, 
perta. 
subintegerrimis. Calyces laterales, numerosi, foliis plusquam- 
dimidio longiores, oblongi, plicati, apice denticulati. Seta ca- 
lycem vix excedens. Capsula ovato-rotunda rufo-fusca, qua- 
drivalvis. 
Various travellers, besides Mr. Menzies and Mr, Burchell, 
have brought this noble Jungermannia from the island of St. He- . 
Jena, where the latter gentleman informs me it grows only on 
the upper side of horizontal branches of ancient trees on the 
highest peaks in the interior of the island; such as are constantly 
wetted by floating mists and clouds, It is a most picturesque 
object, growing always in very large and dense masses, and 
varying from red to a pale green, 
This species, which is plentiful with fructification, is the more 
interesting because the only one to which it bears any resem- 
plance, our J. cochleariformis, has never been found with ca- 
lyces; and from the close affinity between the two plants, it is 
natural to suppose that the fructification is also similar. As a 
species J. sphagnoides differs from J. cochleariformis principally 
in the form and circumscription ‘of the leaf. The auricle is 
nearly the same in both, 
Fig. 1, plants mat. size. Fig. 2, portion of the stem. with: 
fructification. Fig. 3, leaf laid open to show the structure of 
the auricle. Fig. 4, pericheetial leaf. Fig. 5, calyptra, fruit~ 
stalk, and capsule, 
