Habenaria.'] oxlviii. ORCHiDEa. (J. D. Hooker.) 133 



VIII. DiPHTLAX. Flowers small, seound ; lip entire ; spur short, fusi- 

 form. Anther with a setiform staminode on each side as Ions as itself. 

 (Sp. 104) 



IX. DiPYLA. Flowers small, secund. Lip 3-fid, spur inflated. Pol- 

 linia sessile on a single large obcordate gland seated in a sinus of the broad 

 2-lobed rostellum. Stigmatic processes smaAl. (Sp. 105.) 



X. DiTHfiix. Flowers small, seound, tubular; sepals petals and lip 

 coherent at the base. Lip oblong, 3-fid, base saccate. Staminodes 2, 

 filiform, capitate, inserted on the back of the anther. Stic/ma a transverse 

 cushion ; rostellum a transverse plate below the anther. (Sp. 106.) 



Sect. 1. Ate. See p. 132. 



* Petals truncate or 2-fid. 



1. K. lucida, Wall, in Lindl. Gen. Sf Sp. Orchid. 314 ; leaves fascicled 

 towards the base of the taU scape, sepals cymbiform, peta,ls subpanduriform 

 truncate. Platanthera luoida, Lindl. in Wall. Cat. 7047. 



PEatrj at Rangoon, Wallich. Tbnassekim, at Moulmein, Parish. — Distbib. 

 Siam. 



Leaves 4-8 by 2—2^ in., petioled, obovate or oblanceolate. 8ea/pe with the very 

 lax-fld. raceme 12-20 in. ; bracts broadly ovate, half as long as the slender pedicelled 

 beaked ovary, or longer, tips subulate ; flowers J in. diam., greenish; lateral sepals 

 reflexed, obtuse j petals smaller and narrower, contracted below the truncate end ; 

 lip Bubequally 3-partite, midlobe narrow 3-nerved thick, rather longer than the 

 sepals, lateral as long spreading and incurved ; spur slender, curved, nearly as long 

 as the ovary or longer, mouth with a short ligule j anther-cells short, erect, 

 approximate, tubes short upcurved ; poUinia pyriform, gland long narrow ; atig- 

 matic processes short, clavate j rostellum minute. 



2. K. barbata, Wight in Wall. Oat. 7034 ; stem leafy, petals 2-fid 

 pubescent. Ate virens, Lindl. Gen. Sf Sp. Orchid. 327; Wight Ic. t. 928 ; 

 Thwaites Enum. 309. 



Teavangobe ; in the Pulney and Dindyghal Mts., Wight. Cetion ; in the 

 Maturatta district. 



Stem 10-12 in. ,Lea/oes 3-5 in., erect, lanceolate, acuminate. Baeemes few- 

 fld. • bracts large, sheathing, as long as the flowers, or longer ; flowers f in. diam., 

 green ; lateral sepals narrowly falcate, acuminate ; petals much broader, base 

 rounded, upper lobe much the longest, tips filiform, lower broad acuminate, sinus 

 rounded ; lip longer than the sepals, seabrid, limb linear, trifurcate at 1 he 

 end the segments subulate ; spur as long as the ovary, mouth with a very long 

 recurved ligule ; anther-cells parallel, tubes as long as the cells upcurved, pollinia 

 clavate, caudicles very long, glands small ; stigmatic processes very long spreading ; 

 rostellum minute. Capsule | in. long, linear-oblong. 



3. K. acuminata, Thwaites in Trim. Cat. Geyl. P/. 91; stem leafy, 

 petals 2-fid glabrous. Ate acuminata, Thwaites Enum. 309. 



Ceylon ; in the central province. Walker, Thwaites. 



Stem 1-2 ft. Leaves 2-4s in. , erect, lanceolate, and as well as the large cymbiform 

 bracts setaceously acuminate. Racemes elongate, lax-fld. ; flowers subsecund, 

 i in. diam. , green ; lateral sepals broadly ovate, obtuse ; upper lobe of petals 

 slender exceeding the dorsal sepal and about twice as long as the subulate lower ; 

 lip as long as the sepals, broadly 3-lobed, dark purple, lobes broad fleshy obtuse very 

 variable in length ; anther-cells spreading below, tubes recurved, pollinia clavate, as 

 long as their caudicles, glands minute ; stigmatic processes large, globose ; rostellum 

 small, triangular. 



