174 MISS L. $. GIBBS: А CONTRIBUTION TO 
instructus. Columna 1 mm, longa, alis obtusis. Capsule pedicellatæ, 
obovoideæ, hexagonæ, 1 ст. longæ, costis undulatis. 
Hab. Col i Nadarivatu, 3500, in moss forest. ЕІ. & Fr. Sept. 658. 
Differs from M. platychila, Reichb. f., in its narrower leaves, shorter 
inflorescence, and in the structure of the flowers. Flowers orange-green. 
DENDROBIUM GORDONI, S. Moore in Journ. Linn. Soc., Bot. xx. (1883) 372. 
Nadarivatu, 2700, on trees in forest. Fl. Sept. 608. 
Distrib. Fiji (Viti Levu), Samoa. 
A handsome species, with yellow-green flowers, splashed with brown. 
DENDROBIUM МоныАхом, Reichb. f. in Bot. Zeit. xx. (1862) 214. 
Nadarivatu, Mt. Victoria, 3500, in forest. ЕІ. Sept-Oct. 620. 
Distrib. Fiji (Kadavu, Viti Levu). 
General on all the mountain ridges, above 3000 ft. Flowers brilliant 
orange. 
DENDROBIUM PRASINUM, Lindl. in Journ. Linn. Soc., Bot. iii. (1859) 11. 
Nadarivatu, 2700, epiphytic in forest, general. Fl. Sept. 663. 
Distrib. Fiji (Kadavu). 
A very charming species, with conspicuous white flowers, generally growing 
in tufts, often 2-3 dm. through, in the forks of trees. It was described by 
Lindley from a drawing by Agati, in the possession of Prof. Asa Gray, the 
specimen delineated having been collected in Fiji, at an altitude of 2000 ft. 
It was subsequently collected by Seemann on Buke Levu, Kadavu (Herb. 
Kew.). It was very generalabout Nadarivatu, and also seen at Navai, 7 miles 
from there. 
DENDROBIUM sERTATUM, Rolfe, sp. nov. 
Caules elongati, angulati, foliacei, 45-60 сш. longi. Folia oblongo-lanceo- 
lata, acuta, submembranacea, 12-14 сш. longa, circa 1:5 em. lata. Flores 
fasciculati vel brevissime racemosi, numerosi, parvi. Bracteæ oblongo- 
lanceolatæ, acuminate, 5-8 mm. longs. Pedicelli graciles, circa 1 em. longi. 
Sepala et petala subeonniventia, oblonga, acuta, 7-8 mm. longa. Labellum 
elliptico-oblongum, apiculatum, concavum, circa 1 em. longum. Mentum 
oblongum, obtusum, 5 mm. longum. Columna lata, 2 mm. longa. 
Hab. Ridge of Matani Siga, 3200, in forest. FI. Sept. 610. 
An ally of D. viridiroseum, Reichb. f. The habit of the plant is very 
similar to D. calcaratum, A. Rich., but the flowers are borne in fascicles or 
short arrested racemes on the old pseudobulbs, and individually are much 
