Campylopus humilis Montagne 1845

Campylopus humilis Mont. Ann. Sci. Nat. III. 4: 110. 1845
Plants in soft cushions, with very slender stems up to 2 cm. high: leaves comose at regular
intervals along the stem, lanceolate-subulate and somewhat falcate-secund or spreading-rlexu-
ous, up to 6.5 mm. long, the margins more or less serrulate about one third down the leaf; costa
excurrent, in cross-section a little below the middle showing stereid-bands above and below the
guide-cells with outer cells rather distinctly differentiated on the dorsal side only; leaf-cells
with walls not pitted nor greatly thickened, mostly rectangular, the lower cells toward the
costa up to 40 fi long by 12/z wide, toward the margin narrower, the alar group enlarged,
auriculate, mostly reddish: seta about 12 mm. long, mostly slightly curved or sinuous: capsule
nodding, curved, furrowed when dry, scarcely strumose, about 1.3 mm. long without lid; lid
conic, obliquely rostrate, a little more than 1 mm. long; annulus large; peris tometeeth
reddish, 50-60 fi wide at the base, divided rather more than one half down into 2 filiform,
papillose forks, the outer plates vertically striate, the inner articulations crowded, 5-8 x apart:
calyptra slightly rough at the apex, the base not fimbriate: spores not quite smooth, up to 12 fi in diameter.
Type locality: Brazil.
Distribution: Near Newhaven Gap, Jamaica; also in Brazil.