Monadenia.] ORCHIDE (Rolfe). 187 
Spur aie or shortly oblong : 
Spike g edi as long as the basal part of 
rave 
Leaves 23 lin. broad ; spikes dense .. (2) multifiora. 
Leaves 4-6 lin. broad ; spikes rather lax ... (3) macrostachya. 
Spike pipaae shorter than the basal part of 
Petals pS ee ; lip oblong ... ... (4) auriculata. 
Petals ovate ; lip subspathulate... ... (5) leydenberg- 
Spur of dorsal sepal rather longer than the limb... (6) micrantha. 
Petals oblong with a short ovate limb at the base ... (7) pygmea. 
0 dium-sized ; dorsal sepal 3-9 lin. long: 
Spur of dorsal ere shorter than the limb 
Dorsal sepal 34 lin. long ; spur oblong, obtuse ... (8) densiflora. 
Dorsal sepal 5-6 ey long ; spur obovoidly inflated (9) physodes. 
oe a dorsal sepal as long as or longer than the 
Pla its not suffus vi aloes tel yt me 
Spike elongate what la 
Spur of wold se eat pre ng, 0 
Dorsal er ee siti Sonn 3-4 
‘Yin ... (10) brevicornis. 
Dorsal (oth: babies, Intoiad 5 lin. foie ... (11) prasinata. 
Spur of dorsal sepal filiform, more or ms 
el onga te: 
Lower leaves usually eee or od 
ae eolate, acute ; under 9 lin 
Petals oblong Taga Aap at the 
ticulat .. (12) reticulata. 
en spa tintin broadened 
the base ; br culat 
Petals as long as asks Mp date: 
oblon .. (13) macrocera, 
Petals half long as ecu: lip 
elliptic dupstnulate . (14) bolusiana. 
igh oe es mars or broad ee abt 
0-12 lin. long . (15) ecomosa. 
Spike a a and fete = gs ... (16) sabulosa. 
Plant more or less suffused with mit re 
Petals obliquely ovate-oblong, 
bidentate ; rostellum Tongtudidally roar (17) ophrydea. 
rte obliquely ovate, subobtuse ; rostellum 
ot longitudinally keeled .. (18) atrorubens. 
Spur of dorsal om ascending ... te bas ... (19) Basutorum. 
1. M. conferta (Kriinzl. in Orch. Gen. et Sp. i. 810); plant om it. 
high; stem rather stout; leaves cauline, 4-6, linear or lance 
linear, acute or acuminate, eehae PS —3 in. long ; scapes 1-4 ft. 
high; spikes 1-3 in. long, very dense, many- -fiowered ; bracts 
lanceolate, acuminate, 14-2 lin. sean’ pedicels 14-2 lin. long ; 
