Plate 21 G1. 



ODONTOCHILUS MACRANTHUS, Tlooh.f. 



0r( hide^. Subtribe SPIUA^'THE/E, 



0. (Myrmechis) macranthus, Booh. /. Fl. Brit. Ind. \l 98; canle 



brevi robusto folioso 1-floro, foliis |-pollicHribus subsessilibns oyatis 

 acutis, labelli ungne angusro margiuibas involatis integcrnmis, limbo 

 oi-blculari emartnnato maro-inibus basin versus uudalato-crenatis. 



Hab Mabiyan Peninsula, Perak, Father Scortechinti on Maxwell's 

 Hill, \rrau. 



Ccutlis basi decunibeus, nodosus, dein 2-3-po11icaris, erectus, 

 flesuosas, crassitie pennee corvinse, Fulia 1-uervia. Fhs albus, 

 1| poll, latus; ovario foliis longiore breviter peduneulato bracteaovata 

 vaginato. Sepali erecto-patentia, lateralia liueari-oblonga, acuminata, 

 basi gibba, 1-nervia. PetaJa dimidiato-ovata, acuminata. Lahellum 

 I polL loDgum ; ungnis lamina? carnosul^ ima basi cordatie seqnilongus ; 

 saccQS rot'undatus,'^ intus carunculis 2 instructus ; velum ad b^sin 

 columnar 2-fidara. Colwmia brevissima, rostello magno erecto 2-fido, 

 lobis obtusis. vd?i/^^m lineari-lanceolata ; poUiuia clavata; caudicula 

 communi elongata, filiformi, glandula elongata. 



As observed in ' Fl. Brit. Ind.' this resembles tbe Javan MyrmecJus 

 glulra, Blume, but the narrower flowers, long anther, pollen, and 

 rostellar arms distinguish it. — J. D. H. 



Fi.^ 1. Flower. 2. Column and lip with the sac laid open. Both enlarged. 



