Dendrobium. } ORCHIDACEA., 1007 
acute, fringed, marked as aa veins ; mentum more 
than half as long as dorsal sepal............... macrostachyum. 
*Mentum less than half as ih as dorsal sepal : 
+Stems terete or slightly compressed, cylindric or - ented 
form, but not clavate :—{ 8 
p. 
;Lip either trumpet-shaped or explanate, the margin not 
incurved :—[p. 1008] 
p- 
§Flowers prom leafless stems, 2-nate, sie solitary, 
rumpet- 
shaped, the basal portion convolute, the anterior 
portion expanded as a more or less open, recurved or 
cuilat mouth :—[p. 1008 
t 
Pp. 
slender, pendulous, terete, ete leaves 
dunia. acute or acum: 
te 
Lip longer than broad ; leave hiwae! lanceolate ; 
flowers in pairs, white or pink, in. across; 
bracts ve oo pals lanceolate, acute; 
pe te ovate; lip with a broad, purple, single or 
to obisively lobed, recurved, pubesce: 
pam 
Lip as broad as hips: or broader; sepals linear- 
oblong, subacu 
ip deep- were » within, with a broad white 
ring inside the purple eine mouth large, 
orbicular, from a wide base, margin recurved ; 
petals broadly elliptic ; avec tl inear-lanceo- 
fl 
small, bracted peduncle, each 1-2 in. across 
ierardi. 
Stems pea erect or suberect; leaves narrow, 
thinly coriace 
Stems ponte -epsinatite’ leaves acute; flowers 
1-3-nate on the leafless 
with pink, on pink pedicels; each flower 
under 2 in, wide [p. 1008] crepid. 
