6 Evans: HEeEpaticAE OF PuERTO RICO 
less regularly pinnate, the branches obliquely spreading, simple or 
sparingly subdivided, with smaller leaves than the stem but not 
microphyllous : leaves imbricated, the lobe plane or nearly so, 
slightly falcate, ovate, often attaining in the stem-leaves a length 
of 1.4 mm. and a width of 0.85 mm., attached by a curved line 
of insertion and arching across or slightly beyond the axis, 
antical margin straight or nearly so near base, then more or less 
of the lobe: underleaves contiguous or slightly imbricated, 
broadly reniform, mostly plane, 0.85 mm. long, 1.2 mm. wide, 
rounded or subretuse at the broad apex, sometimes broadly 
cordate at the base, sometimes straight or nearly so along the 
basal margin, entire : inflorescence dioicous : Q branch springing . 
directly from the main stem; bracts sometimes narrowly winged 
along the keel, the lobe ovate to obovate, rounded at the apex, 
measuring (in larger bract) 0.8 x o. 5 mm., lobule obovate, rounded 
at the apex, 0.5 mm. long, 0.25 mm. wide ; bracteole obovate, 0.6 
mm. long, 0.4 mm. wide, rounded to truncate at the broad apex 
perianth long-exserted, obovate, 1.4 mm. long, 0.85 mm. wide, 
apical auricles rounded to truncate, not overlapping, beak short 
but distinct : ¢ inflorescence occupying a short branch or terminal 
on a longer branch ; bracts in from t¢ 
arched keel and erect, rounded divis 
of spike, broadly obovate : 
On bark of trees, more rarely on rocks. Without definite 
locality, Sintenis (gg). Near Cayey, Evans (84). El Yunque, 
Evans (134, 173, 792, 195). Mount Morales, near Utuado, 
flowe (1100). The following West Indian stations may also be 
quoted: Cuba, Wright, Underwood & Farle; Haiti, Nash; 
Jamaica, Boswell, Evans ; Guadeloupe, L Herminier ; Dominica, 
Elliott, Lloyd ; St. Vincent, Eliott, In South America the species 
is known from various parts of Brazil, Martius, Bongard, Spruce, 
and, on the mainland of North America, has recently been collected 
by Maxon in Costa Rica. 
