REPORT ON THE BOTANY OF THE ADMIRALTY ISLANDS. 251 



Centotheca lappacea, Desv. 



Centotheca lappacea, Desv.; Benth., FL Austr., vii. p. 640 ; Seem., Fl. Yit., p. 322; NadeauJ, 



Enum. PI. Tahiti, p. 32. 

 Poa latifolia, Forst., Fl. Ins. Austr. Prodr., p. 8. 



Admiralty Islands. — A monotype spread nearly all over Tropical Asia, Africa, and 

 Polynesia, and it has also been collected in North-eastern Australia. 



GYMNOSPERMEA 



CYCADE.E. 

 Cycas circinalis, Linn. 



Cycas circinalis, Linn. ; Seem., Fl. Yit,, p. 268 ; Jouan in Mem. Soc. Sci. Nat. Cherbourg, xi., 1865, 

 p. 147. 



Admiralty Islands. — Tropical Asia, Africa, and Western Polynesia. 



CRYPTOGAM^.— VASCULARES. 



FILICES. 

 Cyathea moseleyi, Baker. 



Cyathea moseleyi, Baker in Journ. Linn. Soc. Lond., xv. p. 104. 



Frond ample, pinnate. Eachises brown, those of the pinnae ciliated on the upper side, 

 naked on the lower. Pinnae oblong-lanceolate, 1^ feet by 5-6 inches. Pinnules sessile, 

 ligulate-lanceolate, 2^ to 3 inches long, -| to f inch broad, cut down to the rachis into subentire, 

 blunt, slightly curved, tertiary segments which are 2 lines broad. Texture moderately 

 firm. Upper surface naked; lower with many minute, deltoid, bullate scales on the midrib 

 of the veins. Veins 8-10-jugate, ascending, distinct, all but the uppermost forked. Sori 

 8-10 to a segment, median, placed in a distinct space from both edge and midrib, and 

 with a distinct space between each. Involucre large, membranous, persistent, with a regu- 

 larly truncate margin. 



Admiralty Islands. — Nearest the Fijian and Samoan Cyathea propinqua, Mett. 



Hymenophyllum (Leptocionium) polyodon, Baker. 



Hymenopliyllum (Leptocionium) polyodon, Baker in Journ. Linn. Soc. Lond., xv. p. 105. 

 Pthizome wide-creeping, filiform, lanose. Stipes f to 2 inches, filiform, flexuose, fibrillose. 

 Lamina lanceolate, tri-pinnatifid, 2-3 inches long, \ to 1 inch broad. Pinna? 8-12-jugate, 

 rhomboid or lanceolate-rhomboid, parallel with the rachis on the upper side at the base, 

 cuneate-truncate on the lower side, the central ones the largest, \ inch broad at the middle, 

 the lower ones reduced. Ultimate segments 10-15 to a pinna, ligulate, close, ^ to 1 line 



