(32) 
250 
A. auriculatum , Sw., Yungas (397). 
A. rhizophorum , L,, Yungas (396), fronds pinnate, Mapiri and 
Yungas (389), tripinnate (A. flabellulatum, Kunze). 
A. serra, Langs. & Fisch., Yungas (384). 
A. auritum , Sw., (A. rigidum, Sw.), Unduavi (390) ; Yungas 
(391)- 
A. falcatum, Lam., Yungas (388). Approaches a form at Kew, 
labelled by Mr. Baker “ an A. insiticum , Brack.” More 
laciniate than any other American specimens seen. 
A. fragrans, Sw., (A. foeniculaceum, H.B.K.), Unduavi (392). 
A. repens , Hook., Yungas (409). 
A. delicatulum , Presl., near Yungas (393). 
A. Filix-foemina (L.), Bernh., Unduavi (395). 
A. grandifolinm, Sw., Mapiri (385). Approaching A. crenula- 
tum , Baker. 
A. crenulatum , Baker, Yungas (387). 
A. Klotschii, Mett., Yungas (394). 
A. radicans, Sw., Yungas (386). 
Didymochlcena lunulata , Desv., Yungas (117). 
Aspidium macrophyllum , Sw., Mapiri (413). 
A. aculeatum, Sw. The type is not represented in the collection. 
The form described as Poly podium platyphyllum, Hook., in 
Synopsis Filicum agrees with specimens from Sorata (414); 
Ingenio del Oro (417); near Yungas (418, 446.) That 
known as P. rigidum , Hook. & Grev. with Sorata (416) ; 
Yungas (419), and Unduavi (420). Phegopteris cochleata , 
Mett., is represented from Sorata and Yungas (415). 
A. rivulorum, Link, near Valparaiso, Chili (421); named by 
Prof. Phillippi. 
A. patens, Sw., Yungas (423); approaching Nephrodium macrou- 
rum , Baker, in the basal pinnules. 
A. conspersoides , Fee, in Fourn. Fil. Mex., p. 95 (?); Mapiri (426). 
An unusual form marked by coriaceous texture and the 
lowest pair pinnules much prolonged and appressed to the 
rachis. 
A. conterminum , Willd., Sorata (422); Guanai (430, 436); near 
Yungas (429, 432); specimens approaching A. Noveboracense , 
Sw., from Yungas (435); Unduavi (431); Mapiri (434), 
