Ceratostylis.'] OXLVIII. ORCHIDE^. (J. D. Hooker.) 827 



7. C. robusta, TLook.f. Ic. Plant, ined. ; rhizome stout ascending root- 

 ing and small distant erect pseudobulbs clothed with reticulate acuminate 

 appressed sheaths, leaves 4-5 in. solitary erect linear-lanceolate acuminate, 

 scape enclosed in the sheath with the pseuclobulb very slender 1-fld., 

 mentum cylindric, lip long clawed spathulate obtuse. 



PERAK ; alt. 4900 ft., Wray. 



Rhizome as thick as a goose-quill ; trabeculately reticulate, membranous. Scape 

 a little longer than the pseudobulbs ; bract small, broad ; flower about % in., from 

 the tip of the rnentum to that of the dorsal sepal, pale yellow ; mentum hoary, 

 longer than the oblong obtuse 5-nerved sepals; lip apparently quite smooth and 

 entire, tip fleshy. A remarkable species, probably scandent. 



32. CRYPTOCHILUS, Wall. 



Low epiphytes ; pseudobulbs crowded, 1-2-leaved. Leaves coriaceous, 

 base complicate or petioled. Scape terminal, naked; flowers close set in 

 distichous spikes, shorter than their persistent bracts. Sepals connate in 

 an equally 3-lobed ovoid or urceolate gibbous 5-toothed tube. Petals 

 narrow. Lip included, adnate to and incumbent on the foot of the 

 column, narrow, erect. Column erect, top dilated toothed ; anther 2-celled ; 

 pollinia 8, obovoid or oblong, connected in fours by a small viscus. 

 Species 2. 



1. C. sang-uinea, Wall. Tent. Fl. Nep. 36, t. 26; Cat. 7530; 

 flowers pubescent longer than broad bright red, sepals acuminate. 

 Lindl. Gen. fy Sp. Orchid. 193 ; in Journ. Linn. Soc. iii. 21 ; in Sot. Eeg. 

 1838, t. 23 ; Wight Ic. t. 1757 ; Walp. Ann. vi. 461. 



SUBTROPICAL HIMALAYA; Nepal, Wallidi\ Sikkim, J. D. H. KHASIA and 

 NAGA HILLS, alt. 4-5000 ft., Griffith, Pram, &c. 



Pseudobulbs variable. Leaves 3-8 in., lower ensiform, upper linear-oblong, 

 stoutly petioled. Scape 3-5 in., stout, naked ; spike 3-5 in. ; bracts linear, pubes- 

 cent ; petals and lip obovate; pollen green. Capsule -- in., oblong, erect. 



2. C. lutea, Lindl. in Journ. Linn. Soc. iii. 20 ; flowers glabrous 

 subglobose yellow, sepals obtuse. Reichb.f. in Gard. Chron. 1882, ii. 733. 



TEMPERATE HIMALAYA ; Sikkim, alt. 6000 ft., and Bhotan, Griffith, &c. (Keiv 

 Distrib. 5228, 5229, 5229/1). MUNNIPORE ; on Kohima, Clarke. 



Pseudobulbs crowded, oblong. Leaves 1-2, 3-5 in., linear-lanceolate, acute, 

 iubsessile or petioled. Scape 2-4 in., rather slender; spike as long; petals and lip 

 lanceolate ; pollen whitish. Capsule in., ellipsoid. 



33. TRXCHOSXKA, Lindl. 



Epiphjtic; stem tufted, sheathed, cylindric, 2-leaved. Leaves terminal, 

 subopposite, petioled. Scape terminal ; flowers few, large, white, racemed. 

 Sepals subequal, spreading, lateral broader, adnate to the base of the 

 column. Lip articulate with the base of the column, claw incumbent, 

 3-lobed, disk lamellate. Coluiryi short, top toothed, anther with 2-rounded 

 appendages ; pollinia 8, broadly ovate, compressed, cohering in fours by a 

 viscus. 



Very near sect. Hymeneria of Erla. 



T. suavis, Lindl. in Bot. Eeg. 1841, Misc. 83. T. cylindripoda, 

 Griff'. Nolul. iii. 299. Eria suavis, Lindl. in Journ. Linn. Soc. iii. 52. 



