Thyrsopteris

(from thyrsos, a bunch or raceme, and Pteris, a Fern; the fructification is disposed in racemose bunches). ORD. Filices. A monotypic genus. The species is a handsome, but very rare, greenhouse Fern. For general culture, see Ferns.
T. elegans (elegant). cau. arborescent. fronds decompound, attaining a length of 5ft. to 6ft., one-third of which is naked; sterile portions bipinnate, with lanceolate, incised pinnules; fertile parts tripinnate, each pinna becoming a raceme of stalked involucres. sori globose: involucre cup-shaped. h. 15ft. Juan Fernandez, 1854