Corymbis. | ORCHIDEA (Rolfe). 81 
rect, terrestrial herbs with leafy, sometimes branched stems, 
akg 
sessile or petiolate, pa i the base into an amplexicaul sheath ; flowers large 
or medium-sized, loosely arranged in short subcorymbose axillary or terminal 
panicles or racemes; bracts sual ovate. 
Distr, A genus of about 15 species, widely dispersed through the tropics, 
. C. Welwitschii (Reichb. f. in Flora, 1865, 183) ; stems erect, 
3- 8 ft. high ; leaves elliptic-lanceolate or broadly elliptic, acuminate, 
7-12 in. ong, 13-24 in. broad; panicles axillary and ter eae 
Srotly pedunculate ; bracts ovate-lanceolate, acuminate, 13 i 
ong ; flowers greenish- white ; sepals and petals narrowly seaes. 
feet narrowly lanceolate near the apex, 2} in. long ; lip similar to 
the sepals, but the apical part of the limb is ovate and about four 
times as broad; column 1 in. long; capsule linear-oblong, 1 in. 
long. Rolfe in Bolet. Soc. Brot. ix. 141, and in Dyer, Fl. Trop. 
Afr. vii. 180 ; Nesiege & Schinz, Conspect. Fl. Afr. v. 56; Bolus, Ic. 
Orch. Austr. Afr. t. 98. Corymbis emery Lindl. Fol. Orch. 
Corymbis, i dese y 5 Journ. Lin ve Soc. vi. 138, partly. Corymbis 
orymbosa, Durand & Schinz, Conspect. FI. a r. v. 56, partly. 
Corpaborchis Welwitschii, O. Kuntze, Reo. Gen. Pl. ii. 658. 
Eastern epic Pondoland ; mouth of St. Johns River, 300 ft., Flanagan in 
Herb. Bolus, 8703 : 
Also in Tropical Africa, 
XIII. ZEUXINE, Lindl. 
Sepals subequal ; dorsal sepal erect, concave ; lateral spreading, 
free. Petals nar rrow, often cohering with the dorsal sepal into a 
galea. Lip very shortly adnate to ‘the base of th column, erect, 
concave or subsaccate at the base, with or without a pair of calli 
inside, more or less contracted in the middle, dilated at the apex 
into a small entire or larger 2-lobed spreading limb. Column very 
short ; anther-bed short, continuous with the margin of the 
: x erect or inclined in front, oblong, s shortly 
apiculate ; cells contiguous with the outer valves, broad ; pollinia 
Sranular, 2, affixed to a linear or cuneate stipes, with a broad 
rounded gland, descending behind the rostellum. Stigmas 2, lateral ; 
rostellam erect, short and broad or minute. Capsule small, erect, 
ovoid or subglobose. 
or lanceolate lim! 
—o. in dense or slender spikes ; bracts pera cat a Meter shorter than t 
“deem Species abou, 30, mostly Indian aap Ye es Malayan, with a few Tropical 
an species. 
VOL. V V.—SECT, TH. 
