HarveyancB. N. O. Orchidem. 



TAB. CCXIV 



DiSA FERRUGINEA. 



Bulbo solitario indiviso, foliis radicalibus linearManceolatis 

 striatis basi attenuatis, scapo vaginato plurifloro, galea acuta 

 basi in calcar ovario longius productaj petalis ext. ovato-lan- 

 ceolatis carinatis, carina infra apicem in aristam desinente, 

 labello lineari-lanceolato longitudine petalorum exteriorum. 



D. ferruginea? Thunb. FL Cap. ed. 2. p. 11. 



Hab. Summit of Table Mountain, Cape of Good Hope. Hon. 



TV, H. Harvey. 



Bulb oblong, undivided- Leaves radical, linear-lanceolate, at- 

 tenuated at the base. Scape slender, cylindrical, smooth, 

 about a foot high, sheathed, the sheath close-pressed, short, 

 acute. Spike dense, ovate, many-flowered. FlowerSy includ- 

 ing bractese and ovaria, of a bright orange colour. Bractece 

 shorter than the ovarium, lanceolate, acute, erect. Galea 

 with a long subulate spur, longer than the ovarium, tapering 

 its mouth very narrow, compressed at each side with deep 

 depressions, the lips reflexed — apex acute. Outer petals spread- 

 ing, narrow, ovate, acute, furrowed in front, keeled at back, 

 the keel ending in a spur : inner small, connivent, obtuse or 

 slightly angular in front, behind produced into a cuspidate 

 point, yellow. Labellum linear-lanceolate, as long as the outer 

 petals, acute. Ovarium slightly twisted, triquetrous, the pos- 

 terior angle much more prominent and distinct. Stigma 

 obtuse, tubercular. Pollen-masses short, didymous. Harvey. 

 I am indebted to Mr Harvey for the drawing here repre- 

 sented. 



a. Front view of a flower, b. Two outer and two inner sepals 

 and lip. c. Side view of a flower, d. Portion of the germen 

 and anther-case. e. Pollen-mass: — magnified. 



