Nephrodium spintilosTim Desv.; Hook. 1861. 
Brit. Fern?i t. 18. Waters, 1. c. 214. 
Drvopteris spinulosa Kuntzc^ 1891. Rev. Gen. 
2 : 813. Undcrzv, in III. Fl. i : 18; Nat. Ferns 
1 14 ; in Britt. I.e. 16. 
Wood Fkrn. 
Plants 5 dm. more or less high ; leaves oyate-lanceo- 
late ; lower pinnae 6 cm. more or less long, the basal 
pinnules exceeding the others in length ; upper pinnae 
elongate-trianguhir to oblong<^ acuminate ; pinnules ob- 
long, acute,, decurrent, pinnatif id ; lobes >spinulose-deii- 
tate ; sori small, usually one to each lobe. 
I n m o i s t w o o d s. 
Lower pinnae tria ngular -ovate . 
a, D. spinulosa intermedia (Muhl.) Under. PL 7, 
Po Ixpo diu m inte rm cd in m Mu hi . ; VV i 1 1 d , 1 8 1 o , 
Sp. PL 5: 262. 
This form differs from the type by its more spreading 
pinnae-; it is larger, sometimes 3-pinnate and the basal 
pinnuks of the lower pinnae are usually equal to or short- 
er than the adjacent pair. 
I n m o i s t wo o d s . Summer. 
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