110 EvANs: TAXILEJEUNEA PTEROGONIA 
very indistinct; bracteole slightly connate with the bracts, obovate 
or oblong, mostly 0.55-0.65 mm. long and 0.35-0.4 mm. wide, 
bifid about one third with a narrow acute sinus and erect, acute or 
subacute divisions, the margins crenulate as in the underleaves and 
often bearing in addition one or two sharp or blunt teeth on the 
sides; perianth more or less exserted, sometimes for about half 
its length, broadly to narrowly obovoid, mostly 0.5-1.2 mm. long 
and 0.35-0.4 mm. wide, cuneate toward the base and truncate 
at the apex with a short but distinct beak, sharply five-keeled in 
the upper half or third, the keels more or less distinctly winged 
and the wings sharply dentate or spinose, the number of teeth or 
spines on each wing usually from one to four: o inflorescence 
occupying a short branch or, rarely, a subfloral innovation, ap- * 
parently never proliferating; bracts mostly in two to six pairs, 
imbricated, much smaller than the vegetative leaves, strongly 
inflated, shortly bifid with blunt lobes and a strongly arched keel; 
antheridia in pairs; bracteole usually single and very small, 
ovate, bifid about one half with subacute divisions: mature capsule 
about 0.25 mm. in diameter. [PLATE 2.] 
On earth and rocks; widely distributed in the American tropics. 
The specimens cited include all that the writer has personally 
examined. Other records for the species are noted in connection 
with its history. 
GUATEMALA: near Coban, Alta Verapaz, February, 1886, 
H. von Tuirckheim 11 (specimens determined by Stephani and 
distributed by Levier; they are unfortunately sterile and therefore 
somewhat uncertain). 
JAMAICA: near Mabess River, April, 1903, W. R. Maxon 1562; 
vicinity of Moody’s Gap, September, 1908, E. G. Britton 916. 
VENZEUELA: Paramo de la Culata, province of Merida, 
J. Linden 574 (Mitten Herbarium). 
CoLomsiA: Andes of Bogota, W. Weir (Mitten Herbarium). 
Ecuapor: Canelos, R. Spruce (distributed in Hepaticae 
Spruceanae); Quito, Jameson (Mitten Herbarium, under the 
name 7. chimborazensis Spruce); near Quito, 1914, G. Hammond 3 
(specimen received from W. Ingham). 
Peru: San Miguel, July, 1911, H. W. Foote (listed by the 
writer in Trans. Connecticut Acad. 18: 315. 1914); same locality, 
June, 1915, Cook & Gilbert 1179, 1180; Torontoy, July,, 1915, 
Cook & Gilbert 1778. 
BoLiviA: without collector’s name, date or definite locality 
