+ ORCHIDE& (Rolfe). 
the top of the concave side of the column or two-lobed and lateral ; 
in the former case it faces the lip, and is usually separated from the 
anther, below which it lies, by an appendage (rostellum). Seeds 
very numerous, pac fusiform ; testa loose, reticulated, enclosing 
a homogeneous embryo. 
Herbs of various habit, or carat pried ; in many cases terrestrial, with 
tuberous roots or perennial pin, 
itary spicate ™m: 
te, simple, entire, coriaceous or rano' orescence 
pints basal o ie spicate, racemose or cantelaees sometimes 1-flowered. 
The largest Order among monocotyledons, the species now known 
ie pati ated at over 5000, distributed into between 300 and 4 400 g gene hae) 
are — tron agri = sg e, eX Sane in the highest latitudes and atid 
the mi ands, be re, however, sakes 3 
very ra in : 
The setoheguie: chong are ae the beat part confined —_ the intertropical zone, 
within which they are most numerous in the mountai 
dalina, Reichb, f., and G. faleigera, eae f. in Flora, 1 
541, are doubtfully included by Bolus (Journ. ne + Boe. 2ey; Pind 
pte ity S.E. Africa, but they were described in a paper on 
Orchids, and must be excluded. The genus is oy Mascarene. 
Tribe ps Bogner —Anther 2-celled. Pollinia 2-8, waxy, united by a 
aEaRetn’ free from the rostellum 
Sub-tribe 1. Mar —Column not pivdiibed into a foot the base. 
Po nia 4, ‘sometimes cohering in pairs. ip continuous with the base 
colum Flowers with spreading perianth-segments. 
: che eo herbs. Leaves membranous. 
small, greenish. 
se — 
Comoro Island 
Flowers in spikes, 
Sub-tribe 2, DenpRoBIEe,—Column agg ose into a foo the 
io a sometin mes cohering in pairs. _ artouated to the foot of 
Flowers with erect or subconni 
Mogctinn, —Epiphytic herbs, ee $ ovoid. bn res cori- 
Pseu ak 
ous. Flowers Bye ton age arranged on either side of a dilated 
aan often flattened rhach 
oe 3. BLETIF sph prorat footless. Pollinia 8. 7 inserted at the base 
the column, and e 1 it e or less adnate to it ; 
its base produce ‘nbo-s a apt che spur. 
Hit. pare wo hu adnate to the column, its limb flat or reflexed and 
Tribe If. VANDEAL,—Anther-cells usually confluent. Pollinia 2 or 4, 
hed 
singly or in pairs to a ci. pe and gland ~ process of the soutien 4 with 
with which ber are carried away upon removal 
Sub-tribe - abibae — Usually ee ger herbs. Leaves plicate and acut 
Lip usually spurred or saccate at t . Column with a distinet foot. 
IV. aa 
tals het to the sepals in colou 
¥. ieee ses. ria a ewes ergo Sac ore or less mem- 
t persiste' epals and petals equal or subequal, 
sicomnvent or the aa is bears petals usually very 
similar to the sepals in colour or paler. 
— Leave and _per- 
sistent. epals and F's ay ‘ual or pol ascery ” diebawioae: 
pe or paler. 
