(344) 
In habit this species is much like M. involutifolium and 
M. intermedium. The first has fewer elongate basal cells 
and a more cylindric capsule; the second has smaller, more 
obscure cells in the upper leaf, the basal part of leaf rougher, 
the capsule more elongate and a low peristome. 
MacroMITRIUM CELEBENSE Par. 
Sax river, Mindanao, on log, 550 meters elev., Feb. 1905 
(3141). 
MacroMITRIUM CUSPIDATUM Hampe. 
Upper Lamao river, 1070 meters, on earth, Jan. 1904 
(822). 
Macromitrium Foxwortuy! Broth. 
pper Lamao river, 912 meters elev., on tree, Jan. 1904 
(817); Sax river, March, 1905 (3142). 
MacromMitTRIUM GONIOsTOoMUM Broth. 
Mt. Apo, Mindanao, 2130 meters, March 1905 (2662). 
MacroMITRIUM GONIORRHYNCHUM (Dz. & Mb.) Mitt. 
Baguio, 1575 meters, Sep.-Nov. 1904 (1753 on trees 
and rock, 1754, on trees, 1761 on trees); Upper Lamao, 
Jan. 1904 (3143). 
MaAcRoMITRIUM LONGICAULE C. M. 
Todaya, Mt. Apo, 1070 meters elev., on tree, April 1905 
(2673). 
Macromitrium Robinsonii sp. nov. 
Autoicous, the male flower at the apex of a small branch 
from within the perichaetial leaves or from the stem below, 
of 4-8 antheridia with rather few paraphyses: plants in 
compact, yellowish brown mats with creeping stems and 
crowded branches mostly less than 1 cm. long; stem leaves 
crispate when dry, less than 2 mm. long and one fourth to 
one fifth mm. wide, oblong-lanceolate, acute, entire, the 
perce flat or slightly recurved and without border; costa 
smooth, nearly or quite percurrent; cells in lower one third 
or one fourth of leaf smoot th, pale, elongate, thick-walled, 
papillose; inner een ee leaves much smaller than the 
