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LOSIUSOLILA, 'iÆR-r™.
P l a t e 'XLIV.
D IC K SO N IA P ILO S IU SC U L A , W i l l d e n o w .
H a y -s c en te d F e rn ; H a i r y Dicksonia.
D ic k s o n ia p i l o s i u s c u l a : RooCstock very slender, creeping,
much elongated; stalks scattered, erect, sometimes a foot
'ong. greenish in the living plant, fading to brownish-straw-
color, slightly puberulent ; fronds one to three feet long, ovatç-
lanceolate in outline, long-pointed, delicately herbaceous, hairy
and minutely glandular, pinnate or almost bipinnate; pinnæ
numerous, lanceolate, pointed, the second pair a little longer
than the first; pinnules adnate to the secondary midrib, and
usually decurrent on it, rhomboid-ovate, pinnatifid into oblong
and obtuse cut-toothed lobes; sori minute, in cup-like involucres
which are seated on minute recurved teeth, usually one
at the upper margin of each lobe of the pinnules.
Dicksonia pilosiuscula, 'Wil ld en ow , “ Enum. PI. Hort. Berol., p. 1076;
Sp. Fil., V, 484.— P u r sh , Fi. Am. Sept., ii, p. 6 7 1. — H o o k e r ,
FI. Bor.-Am., ii, p. 264.— T o r r e y , Fi. New York, ii, p. 502.—
B ig e low , FI. Boston., ed. iii, p. 424.— W ood, Botanist and
Florist, p. 37Ó.
Polypodium pilosiusculum, M u h l e n b e r g “ in li t t .”
Sitolobium (or Sitobolium) pilosiusculum, D e s v a u x , “ Prodr., p. 262.”
Adecium pilosiusculum, L in k , Fil. Hort. Berol., p. 4 2.