1 Frond, unde r side.
GYMNOGRAMMA TRIFOLIATA.
D e sv a u x . J. S m it h . S p r e n g e l . M o o r e .
P L A T E X X X I .
A c ro stich um trifo lia tum ,
JJ em io n itis tr ifo lia ta .
L i n n æ u s .
H u m b o l d t .
Gyninogramm.a—Naked writing, in allusion to the sori.
T r ifo lia ta—Three-leaved.
A B E A U T I F U L goldeii-powdered Fern , rare in cultivation.
Native of the West Indies and South America.
Fronds pinnate, pinnæ linear, fi'oni two to throe inches in
length; sterile fronds everywhere very smooth; basal pinnæ trifoliate,
higher on the frond usually bifoliate, opposite or subopposite;
pinnæ short-stalked.
Stipes and rachis reddish.
Veins forked.
Sori along the veins, naked, and eventually confluent.
