COLLECTION OF BORNEAN MOSSES. 307 
here they are two or three times that width ; the margin of the sheathing 
portion is very indistinctly serrulate in C. salakense, while here it is markedly 
serrate. In other respects the plants seem identical. 
CALYMPERES LONGIFOLIUM, Mitt. in Journ. Linn. Soc., Bot. xii. (1868) 
р. 178. 
Syn. C. loreum, Lac. (1872). 
C. cristatum, Hampe in Nuov. Giorn. Dot. ital. (1878) р. 278. 
Rock in jungle, Sapong, near Tenom (No. 160) ; Sadong, Sarawak, 1900, 
leg. J. H. Cranston (No. 85). 
This remarkable plant has the longest leaves of almost any known species 
of moss (some species of Dawsonia alone, I believe, excepted). Some of the 
leaves of Mr. Binstead’s gathering attain an inch and a half in length. In 
view of its peculiar structure, it is surprising that Hampe did not recognize 
the identity between Mitten’s species and the plant collected by Beceari and 
described by him as С. eristatum ; but Mitten’s species—described from 
Labuan specimens leg. Motley, in his “List of Samoan Mosses’?—was 
probably overlooked by him. Аза matter of fact, the two are identical. 
Bescherelle separates С. longifolium from С. eruginosum, Hampe and 
C. setifolium, Hampe by the leaves not being narrowed in the middle ; but 
this is somewhat misleading, since though they are not narrowed con- 
spicuously in the same way as in these species, and are of quite a different 
character, they do show a distinct constriction above the base, widening out 
again above for the greater part of. their length, and then narrowed to a fine 
acumen. 
Bescherelle has also erred in describing Hampe's С. cristatum as having 
the nerve vanishing below the apex ; in Beceari’s plant, on the contrary, it 
is constantly, and in the more elongate leaves long exeurrent. 
Mr. Binstead's No. 160 shows frequently а curious form of proliferation, 
a young plant (sometimes more than one) being produced on the upper part 
of a leaf, and this may be repeated а second time on a leaf of the secondary 
plant. 
РОТТІАСЕ А. 
GYROWEISIA BREVICAULIS (Натре), Broth. 
Syn. Trichostomum brevicaule, Hampe т C. Mueli. Syn. i. 567. 
Didymodon brevicaulis, Fleisch. Musci . .. von Buitenzorg, 1. 888. 
Coral rock in shade, Simporna, с.Ёг. (Nos. 1, 128). Not recorded hitherto 
from Borneo. Distrib. Java, New Caledonia. 
Hvornina Micnorrrzi Broth. Near Tenom (No. 151). 
Var. srERILIS, Fleisch. Rocks in stream in shade, Sapong, near Tenoin 
(No. 157). Stems lax, not compact ; otherwise exactly the plant described 
by Fleischer. 
Both type and var. seem new to Borneo. 
Y2 
