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1-5 GYMNOGRAMME TRIANGUIARIS,Kaulf. 6-11 GYMNOGRAMME HISPIDA, Mett.
P l a t e X LV III. — F ig . 1 - 5 .
G YM NO G RAMM E T R IA N G U L A R IS , K a u l f u s s .
California Gold-Fern.
G y m n o c r a m m e t r i a n g u l a r i s : — Root-stock short, creeping,
chaffy with dark-brown lanceolate-acuminate rigid scales;
stalks tufted, a few inches to a foot high, terete, wiry, blackish-
brown, polished; fronds deltoid or pentagonal, two to five
inches long, and nearly as broad, pinnate; the lower pair of
pinnæ much the largest, triangular, broadest on the lower
side, obtusely bipinnatifid, the rest oblong or lanceolate, more
or less pinnately lobed or incised ; segments rounded-obtuse,
crenated; upper surface smooth or minutely granular; lower
surface coated with a yellow or white ceraceous powder;
veins free, pinnated; veinlets forked and in the fertile fronds
covered with lines of sporangia, which as they mature burst
through the colored powder, and at length often obscure it.
Gymnogramme triangularis. K ,v u le u s s , Enum. Fil., p. 73 .— H o o k e r &
G e e v i l l e , Ic . Fil., t. cliil. — H o o k e r & A e x o i t , Bot. Beechey’s
Voyage, p. 1 6 2 , 4 0 5 . — P r e s l . Tent. Pterid., p. 2 1 8 . — H o o k e r ,
FI. Am.-Bor„ -¡¡., p. 2 5 9 i Fil. Exot., t. x ; Sp. FiL, v „ p. 14 6 .—
B k a c k e n r id g e , Fil. U. S. Expl. Exped., p. 2 3 .- T o r r e y , Pacif.