Asplenium.| FILICES. 617 
The above described forms can hardly be considered as varieties. ae deparoid 
oem which do not exhibit here and there also athyroid sori are rare, while n ¢ it is 
e rule to see both combined. The species is also connected with nos. 35 ask 36, forms 
te which often touch closely upon « of the present. 
Mettenius (Asplen. p. 63) seems to have been struck by the extraordinary resem- 
a e i e in 
r; that the 
of the toothlet, is stated quite correctly. The = e of Deparia prolifera in t n 
i fective, i uc ibit the posterior : “a with the toothlet 
e igin similar to the on 
ochlaenoid sori occur only on first ante rior ook 
Pp the fern 
e habit of the fern is cyatheoid, viz., the lower pinnae anadromous, the 
catadromous, the nerves of pinnules and their segments catadromous, excepting ‘ous 
th firs rmost pinna Its station is therefore near A. decur- 
in the genus Asplenium, next to which 
Fil. 
as 0 ally built upon our species, the Seosgies of the sam: 
rt 
must invalidate the genus; fo ane other species united under it, D. concinna an ra 
i ea good reasons been spurns to the genus Dennstaedtia, 
various writers, 
b. Polystichoid. Spores smooth. Nos. 38—39. 
A. aspidioides, Schlecht. regi Fil. Cap. p. 24, tab. 
pute stout, erect, '/2—2 an ‘ . 6—18‘ long, pale brown or 
stramineous, paleaceous at t i i 
reddish-brown scales of 6“ in length, their cells ae elongate te 
straight Ree cystopter oideae). hi 
erbaceous, dark-green, shining, ovate or Sue nicahe ft. ca 
8—18’ bro a. fripimmate, caerrern not proliferous. Pinnae alternate, 
16—20 stipitate ones on a side, ascending, oblong- epee 5—10‘ long, 
shortly (1—3”) stipitate, the lower ones anadromous, the upper with 
opposite basal ge but the inferior pinnule receding from the main 
Th Seco 1—3' X al", on _— 
stipitate, with an uneven-s 
at acute angles on each side into 2—6 n 
or sharply two- to several-toothed or cleft segments, the first upper one 
