Jamesoniane. N. O. Filices. 
TAB. DCCXLIX. 
Po.yropium (Evpotypoprum) onustum. Hook. 
Caudice repente ramoso dense squamoso, fronde oyato-acuminata 
coriacea bipinnata, rachi subulata, foliolis lato-lanceolatis basi 
cuneatis acutis inciso-pinnatifidis levibus glabris, segmentis 
brevibus ovatis acutis, stipite rachibus nervisque primariis 
subsquamosis, soris copiosis subrotundis dorso vene secun- 
darie insertis, 
Has. Andes of Quito. Prof. W. Jameson. n. 74. 
In its rigid coriaceous texture and size, and general habit, 
the present species is allied to P. Murorum, Hook. at Tas. 
Lxx. of this Work; but the frond is broader, and much more 
divided, so as to be constantly bipinnatifid (or almost bipinnate) 
with the segments again pinnatifid and entire, oF incised. 
Here, too, the sori are very large, distinct, very numerous, 
not confluent. The veins are immersed, but prominent; and 
the principal ones (or secundary and tertiary rachides) bear 
scattered, appressed, brown scales. 
Fig. 1, Pinnule, with sori :—magnified. 
