Pteris regia Jenman

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THE NEW YORK BOTANICAL GARDEN
Herbarium of George S. Jenman
PRE8ENTED BY MR. D. O. MILLS,
JAMAICA
1903
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Ftjbris (LitobeSchia) regia, Jtnm, n. ip,
Stipites stoat, ertc1’, freely aculeated, several feet
long, the base dark, scaly; fronds subdeltoid.^tri*
' pinnate, spreading, 5 to 6 feet long and wide, the
lower branches largest, more compound, and deeper
on the inferior side, chartaceous, light green, naked ;
r&chis, costas, costa’«, and ribs wood-brow^ glabrous,
^liha former sparsely prickjT ;	connected with
¿¿jfauopen obliquely-rounded sinus, or entirely discon-
^ ' nected and contiguous, or twice or thrice their own '
width apait, 3 to 4 inches long, £ to inches wide, f ;
serrate-acuminate, the larger ones, usually in the
central part, irregularly cut into oblique acute,
serrate-pointed lobes, 2 lines wide, $ inch long, with
an acute or rounded sinus between ; reins very fine,
freely areolated, outer branches free; sori continuous,
just interrupted in the sinus, not reaching the outer
part. Jamaica; 3000 to 4000 feet altitude, in damp
forest of the eastern parishes. Communicated by
Mr. Hart. This is a large species, 10 or 12 feet high,
with broadly-spreading fronds, having the general
aspect of gigantea, but differing by the larger pin-
nules being regularly or irregularly deeply pinnatifid,
and by its paler colour. F. longi/brac|«ra, Ag., of
which I have not seen specimens, is'also near
gigantea (indeed, Mr. Baker’s description in Annals
of Botany, vol. v.»‘ No. xviii., p. 167, is exactly that
of gigantea); but this differs from both by the pin-
nules being in part (mostly irregularly, but regular
where it occurs), pinnatifid. Except under close
acquaintance the identification of some of the larger
specie* of Litobrochia is dubious, in the absence of |
the root-stocks, which, as a rule, affonL reliable
specific features. <?. S. Jenman.
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