146 czLviii. OBOHiDEiE. (J. D. Hooker.) IHahenaria. 



44. K. vidua, Par. & Beichb. f. in Trans. Linn. Soc. xxx. 140, t. 27, 

 f. 2 ; leaves subbasal elliptic-lanceolate acute, scape above and flowers 

 puberulous, raceme lax-fld., bracts much shorter than the ovary, dorsal 

 sepal orbicular pubescent rather smaller than tie oblong subacute lateral, 

 petals hatchet-shaped, lip tripartite, segments filiform subequal longer 

 than the sepals side ones recurved over .the flower, midlobe deflexed, spur 

 longer than the long-beaked ovary acute. 



Tenassebim ; at Moulmein, Parish, 



Stem short, stout, with 1-2 spreading sheaths above the leaves. Leaves 3-5 by 

 ^li in. Maceme 4-6 in. ; bracts ovate, acuminate ; flowers J in. diam., green and 

 white, sweet scented ; pedicel with ovary J-1 in., nearly straight ; lateral sepals 

 reflexed, margins reyolute ; spur thiclcened below ; tubes of anther-cells divaricate ; 

 pollinia much shorter than their slender caudicles, glands small ; stigmatic processes 

 short, clavate, adnate to the mouth of the spur ; rostellum short, broad. Capsule 

 f in., shortly pedicelled, straight, fusiform, beak short. 



45. H. imandersii, Semsl. & Collett in Journ. TAnn. Soc. ined. ; tall, 

 lower leaves linear-oblong upper narrow lanceolate, raceme glabrous, 

 bracts as long as the slender pedicelled long-beaked ovaries, dorsal sepal 

 ovate obtuse as long as the oblong obtuse lateral, petals as long as the 

 sepals linear-oblong obtase, lip as long as the sepals entire or tripartite 

 nearly to the base lateral segments or shorter than the linear midlobe 

 and recurved, spur twice as long as the ovary geniculate tip clavate. 



BuBMA ; at Mandalay, Anderson (in Herb. Galcutt.), Collett. 



Stem with raceme 18 in. Leaves (imperfect) 3 in., upper narrow ones erect, 

 1-1^ in. Raceme 4 in. ; bracts 1 in., ciliolate, lanceolate ; ovary narrowly winged ; 

 sepals ^ in., 3-uerved, lateral subfalcate ; petals usually straight, 3-nerved j mar- 

 gins of midlobe of lip revolnte, spur 1-2 in., mouth with a large obtuse ligule 

 with revolnte sides, the convex face (towards the mouth) has 2 short conical spurs 

 side by side and a median tooth above them ; anther very large, tubes long erect ; 

 pollinia much shorter than their long narrowly winged caudicle; glands ovate ; 

 stigmatic processes clavate. — The organ at the.mouth of the spur is very curious. 



46. K. rostrata, Wall, in Lindl. Gen. & 8p. Orchid. 325; leaves 

 lanceolate acuminate, upper passing into many slender erect sheaths, 

 spike many- and lax-fld., dorsal sepal cymbiform much shorter than the 

 broadly ovate falcate lateral, petals broadly oblong obtuse, lip much 

 longer than the sepals segments very long filiiorm, spur shorter than the 

 very long-beaked ovary, tip pyriform. Platanthera rostrata, Lindl. in Wall. 

 Gat. 7061 A. 



Peq-tt and Tesasseeim, Wallich. 



Stem 6-12 in. Leaves 4r-6 by |-| in. Spike 2—4 in. ; bracts very slender, 

 ciliolate, longer than the ovary ; flowers yellow spotted with brown, about i-^ in. 

 diam. ; sepals coriaceous lateral dimidiate oblong, deflexed, 5-uerved, tips turned 

 up ; petals oblong, pubescent, falcate, shorter than tbo sepals ; tubes of anther-cells 

 elongate, caudicles of pollinia long, glands linear ; stigmatic processes forming a 

 ring round the mouth of the ovary ; rostellum very short, triangular. Young fruit 

 with the beak as long as the body. 



47. K. acuifera, Wall, in Lindl. Gen. & Sp. Orchid. 325 ; slender, 

 leaves scattered linear-lanceolate acuminate upper setaceous, spike short, 

 bracts longer than the beaked ovary, sepals obtuse, dorsal broadly oblong 

 shorter than the concave oblong lateral, petals much smaller linear-oblong, 

 lip as long as the sepals, side lobes short subulate, midlobe linear, spur 

 half as long as the ovary. H. linguella, Lindl. I. c. 325 (excl. hah. Geylon). 



