GENERA AND SPECIES. 
Labellum entire. Flowers 1] inch or more. 
Lobes of the lower lip lanceolate, with an acute 
sinus between them. 
Flowers on long stalklets, much bent down- 
wards, so as to appear nodding 
Flowers erect on long stalklets 
Lobes of the lower lip separated by a wide sinus 
Stems leafy. 
Leaves crowded at the base of the stem passing 
gradually into stem leaves or scales. Labellum 
hardly pointed. Rather tall; flower large 
hood 
dwarf, 
Stem-leaves few, linear; labellum pointed ; 
short and ere incurved. Rather 
slender 
Lower leaves rete a to scales passing up into 
lanceolate leaves ; labellum pointed; hood elongate 
and much incurved r¥. 
Stem-leaves narrow-lanceolate, labellum quite blunt 
11. Lower sepals reflexed or recurved from the 
middle. 
Flower large, solitary; labellum linear-cylindrical, beset 
with een hairs, ending in a small Bos dilata- 
tion . sie ne 
Flowers two or more in the raceme. 
Leaves in a radical rosette. 
Calyx-lobes obtuse; lower ae ny 2-lobed ; 
flowers small 
Calyx-lobes with an points lip deeply 2 2- hia: 
flowers large 
Stems leafy, no rosette ; ee - ge. 
Hood banded with narrow red lines; labellum 
rough; leaves linear; column abruptly dilated 
upwards, somewhat fringed at 
Hood banded with broad red lines; labellum 
slightly fringed, with a semi-lanceolate minute 
appendage; leaves lanceolate; column gradually 
expanded towards the middle ... th 
Acianthus. 
Dorsal sepal very much orga) ; flowers dark purple. 
Dwarf sf 33 32 
Dorsal sepal quite shat 
Aaes pale pink. Dwarf, 
slender 2 re mee sa Js 
165 
nutans 
pedunculata 
curta 
cucullata 
praecox 
reflexa 
obtusa 
barbata 
mutica 
rufa 
longifolia 
vittata 
caudatus 
exsertus 
