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296 F ERN S OF NORTH AMERICA.
to be crowded, and nearly straight, the upper part thickened
a little and fertile, making the sori somewhat elongated on
the upper part of the veins. The spores are irregularly
spheroid-tetrahedral, the surface very rough, and of a dingy
yellowish-brown. Mettenius and Kuhn, following the example
of Presl, referred this species to Gymnogramme rather than
Notholcena, since the sori follow the- veins almost too far
down their tips to accord well with the latter genus; but its
nearest relatives seem to be in Notholcena rather than in
Plate X X X IX ., Fig. 1 - 6 .— Notholæna sinuata. Fig. i is a plant
of medium size, having ovate and sinuated pinnæ. Fig. 2 represents
three pinnæ of the largest form. Fig. 3 is a frond of the smallest
form. Fig. 4 is a pinna from Fig. i, enlarged and showing the chaffy
lower surface. Fig. 5 is a scale from 4, magnified. Fig. 6 a spore
highly magnified,
F ERN S OF NORTH AMERICA.
( <
P l a t e X X X IX .— F i o . 7 - 10 .
N O T H O L Æ N A F E R R U G I N E A , D e s v a u x .
Rusty Notholæna.
N o t h o l æ n a f e r r u g i n e a : — R o o t -s to ck cre ep in g, knotted
w ith b u d -lik e fro n d -be a rin g bran ch le ts, and d e n se ly co v e red
w ith n a r row b la ck ish r ig id s c a le s ; s ta lk s a few inches h igh,
tufted, w iry , d a rk -b row n , w o o lly , like the ra ch is , w ith som e t
im es de c id u o u s ru s t y fib r e s ; fron d s linear -lanceola te, five to
tw e lv e in che s lo n g , u su a l ly le ss than one inch w ide, erect,
su b -co r ia ce o u s , p in n a te ; p innæ n um e rou s , o b lo n g -o v a te , a lm o s t
ses s ile , pin n a tifid in to s ix o r e ig h t clo se -se t little o b lo n g lobes
on e a ch side, g r a y is h -v i l lo u s a bo v e , h e a v i ly tom en to se ben ea th
w ith en tan g led w h it ish o r fe r ru gin o u s w o o l ly h a ir s ; s p o ra n g ia
at the ends o f the v e in s , a t le n g th s h o w in g th ro u gh the tom
en tum, o ften v e r y d a rk b row n o r even black.
Notholama ferruginea, D e s v a u x , “ Journ. Bot. Appl., i., p. 9 2 .’’— H o o k e r ,
Second Century of Ferns, t. Iii; Sp. Fi!., v ., p. 10 8 . — H o o k e r
& B a k e r , Syn. Fil., p. 3 7 0 . — F o u e k 'IE E , Pi. Mex., Crypt., p. 12 0 .
— E a t o n , Ferns of the Southwest, p. 30 6 .
Cheilanthes ferru gin ea, W i l ld e n o w , “ Herb.”— K a u l f u s s , Enum. Fil,,
p. 209. — L i n k , Fil. Hort. Berol., p. 6 5 .— M e t t e n iu s , Cheilanthes,
p. 23.
PeLleea ferruginea, N e e s , in Linnæa, xix., p. 684.
Cincinalis ferruginea, D e s v a u x , in Mag. d. Gesellsch. Nat. Freund, z.
Berlin, V. ( 1 8 1 1 ), p . 3 1 1 {The original name').
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