WILLIAMS: CALYMPERACEAE OF NorTH AMERICA 389 
TYPE LOCALITY: Guatemala. 
DISTRIBUTION: known only from the type locality and Deering 
Hammock, Cutler, Dade County, Florida, 1916, J. K. Small. 
4. CALYMPERES DISCIFORME C. Miill. Linnaea 21: 183. 1848 
Calymperes Wulfschlaegelit Lorentz, Moosst. 168. 1864. 
In dull or brownish green cushions with somewhat branching 
stems up to 1.5 cm. high; leaves, when dry, tubulose and crispate 
above, on lower stem about 2 mm., on upper stem 3.5 mm. long, 
from a broad, usually obovate, whitish, clasping base narrowed to 
a broadly lingulate or linear point one and one half to two times 
longer, with apex broadly acute or in those leaves bearing pro- 
pagulae, with apex more elongate and narrowed; leaf-margin 
finely serrulate, nearly to base, thickened above; costa not quite 
percurrent or somewhat enlarged above and excurrent, rough on 
both sides to cancellinae or smoothish in lower part, in cross 
section showing about 6 guide-cells with stereid bands above and 
below and outer cells differentiated on upper side; leaf-cells above 
the cancellinae mostly 7 or 8 uw in diameter, slightly or not elongate, 
mamillose on both sides with more or less distinct papillae on upper 
blade; teniola extending to above middle of leaf, about 8 cells in 
from margin in upper basal part of leaf and 2 or 3 cells in from 
margin of blade above; cancellinae extending one third to two- 
fifths up leaf, broadly angular, often rounded above; perichaetial 
leaves about like upper stem-leaves; seta 4 or 5 mm. long; calyptra 
persistent, striate, very rough above. [Fic. 4.] 
TYPE LOCALITY: Surinam. 
DistRIBUTION: Santo Domingo; also in northern South 
America. The Florida specimens which have been referred to the 
above belong either to C. Richardi or to Syrrhopodon filigerus. 
5. CALYMPERES DoNNELLII Aust. Bot. Gaz. 4: 151. 1879 
Calymperes rufescens Besch. Ann. Sci. Nat. VIII. 1: 266. 1895. 
Calymperes Brittoniae Besch. Ann. Sci. Nat. VII. 1: 278. 1895. 
Syrrhopodon Smithii Besch. in Paris, Index, ed. 1, 1255. 1898. 
Calymperes portoricense Ren. & Card. Bull. Soc. Bot. Belg. 41}: 
57-1904. 7 3 
In extensive, green mats with stems from 3 mm. to I cm. high; 
leaves incurved or crispate when dry, the lower 2.5-3 mm. long, 
the upper about 5 mm. long, from a mostly slightly broader, more 
