33 



A NEW FEEN PEOM NEW GUINEA. 



By H. O. Forbes, F.B.G.S., A.L.S. 



(Plate 280). 



Polypodium Annabellae, sp. n. — Bliizome slender, clothed 



with scattered, brown, membranaceous, lanceolate -acuminate scales, 

 creeping on tree -stems, and giving off branching rootlets densely 

 covered with rich brown hairs. Fronds sessile on the creeping 

 rhizome, at intervals so that the base of one is overlapped by the 

 apex of the one below, simple, membranaceous, the barren fronds 

 and the sterile portion of the fertile fronds orbicular, with entire 

 margins ; veins elevated, repeatedly branching and enclosing large 

 oblique irregular areolae, with small inclosed areolae, and a few free 

 veins ; the veins terminate a little within the margin of the frond, 

 and, being looped, form an irregular intramarginal line, with an 

 occasional free veinlet extending outwards. In the barren frond 

 the midrib disappears in the venation about the middle. The 

 fertile portion is produced from the apex of the barren portion of 

 frond, the midrib being continued beyond this portion with a narrow 

 wing, for two or three inches, and then expanding into a linear- 

 lanceolate lamina, with similar venation to the rest of the frond. 

 The sori are somewhat oblong, and are borne in a single or double 

 series at the union of the veinlets within the meshes. 



Found at an elevation of 2000 ft., above the Murray Eiver, on 

 the stems of trees, on a coast -trending outlier of (perhaps) the 

 Owen Stanley Eange. The upper surface of the frond is close 

 adpressed to the tree. 



[Note. — This interesting fern, discovered by Mr. Forbes, and 

 named by him in honour of his brave and devoted wife, belongs to 

 the section Drynaria of Polypodium, and to the small group of that 

 section in which the sorus-beariug portion of the frond is only an 

 extension of the lower barren part : it is a much simpler form than 

 any yet known. — W. Carruthers.] 



ON A COLLECTION OF FEENS MADE BY BAEON 



EGGEES IN ST. DOMINGO. 



By J. G. Baker, F.E.S. 



The following is a list of the Ferns and other Vascular Crypto- 

 gamia collected by Baron Eggers during his recent exploration of 

 St. Domingo, with descriptions of the novelties : 



2035, 2173. Gleichema pubescens 2738. HemiUUa honida E : Br. 



H.B.K., two varieties. 2180. Alsophila pnrinata Kaulf. 

 2735, 1854? Cyathea arborea Sm. 2750. Hymenophyllum himitum 



2060. C. Srhanschin Mart., or a Sw. 



near ally. 2753. Trichoma* wuxcoides Sw. 



NAL 



■Vol. 26. [Feb., 1888.] x> 



