Caleana.) CXX. ORCHIDER. 367 
Column nearly as long as the sepals, the broad wing adnate to the basal 
projection which is at least 2 lines long and forming a broad sac as in 
C. minor.—Endl. in Pl. Preiss. ii. 11. 
W, Australia, Swan river, Drummond, 1st coll. n. 864. 
38. DRAKA, Lindl. 
(Spiculea, Lindl.; Arthrochilus, F. Muell.) 
Sepals and petals linear, the dorsal sepal erect, the lateral sepals 
and petals spreading or reflexed. Labellum articulate at the base of the 
gel distinct and nearly equally 2-valved. Pollen-masses granular 
ti : B Y . «d 
? 
herbs, with small underground tubers. Leaf solitary at or near the base 
of the stem, usually broad, or none at of ering. Scape 
n 
raceme, the subtending bracts small and narrow. Labellum almost 
hammer-shaped and very irritable. Ovary straight or recurved, more 
or less reversing the flower. í: 
The genns is limited to Australia, and is nearly allied to Caleana. The three species 
form one well-marked genus, the differences between D. (Spiculea) ciliata and the 
onginal D. elastica correspond to those which distinguish Caleana major aud E 
Labellum articulate at the base of the column, without any inter- 
vening projection. Column with 2 pairs of auricles. Stem with 
1 leat. - Flowers several: > o 05 08 Gh ce a es o E 
Labellum articulate at the end of a basal projection of the column. 
Lateral sepals adnate to the basal projection of the column. Stem 
eafless. lowers govOuL: (oW ee o opo si mis 
Lateral sepals free from the linear basal projection. Leaf radical, 
- Flowers solitary 200974 Boe Qm ori A 
1. D. ciliata. 
2. D. irritabilis. 
3. D. elastica, 
