Muscti Exoricit.—rowniant. 
GYMNOSTOMUM LEPTOSTOMUM. 
Gymnostomum caule csespitoso subsimplice, foliis oblon- 
gis obtusissimis integerrimis nervosis pilo simplice 
terminatis, capsula ovata erecta. (Tas. CLXIX.) 
ptostomum erectum. Brown in Linn. Trans.v. 10. 
p. 320. | 
Has. Nove Hollandi ora orientalis, extra tropicum, in rupes 
prope fluviorum ripas in regione montana, ad flayios Hawkes- 
bury et Grose. D. R. Brown. 
~ Caules densissime czspitosi, inferne tomento ferrugineo obsiti, su- 
perne foliosi, Folia parva, lete viridia, sub lente punctulata, 
dense imbricata, erecta, siccitate tortilia, oblonga, ‘obtusissi- 
Ma, vix concava, marginibus integerrimis recurvis, nervo va- 
lido ultra apicem in pilum breviusculum flexuosum producto 
instructa. Perichetialia angustiora, longiora, marginibus ma- 
gis recurvis. Se¢a unciam longa, flavescens, Capsula erecta, 
ovata, fusca, ore paululum contracto, intusmembrana suberec= 
ta pallide flavescens, margine dentata, longitudinaliter lineata, 
lineis subequidistantibus, intra has lineis transversalibus. Oper- 
culum parvum, hemisphericum. 
satisfactorily to examine its peristome ; am clear, in this 
species at least, that it is divided by longitudinal and nearly equi- 
distant lines; an indication of teeth; and indee membranous 
with a sketch which I made some years ago of the peristome of 
Hedwig’s Bryum macrocarpum in Mr. Turner's herbarium ; and 
it has not escaped the observation of Mr. Brown, that that plant 
_ To the present species in particular, Bryuwm macrocarpum is 
certainly in other respects very closely allied, particularly in the 
upright capsules and the great revolution of the margins of the 
ves. There is, indeed, a very peculiar habit in all the Lepto- 
stoma of Mr, Brown, 
Fig. 1, tuft of plants, nat. size. Fig. 2, plant. Fig. 3, upper side of a 
i i itto. Fig. 5, perichetium. Fig. 6, leaf of ditto. 
9, portion of the peristome.— 
Von. II. 
