Plate 2U0. 



CLEISOSTOMA ANDAMANICUM, Uauh f. 



Orchidej:. Subtribe SxVECANTIIE.^. 



^ 



C. andamanicum, Sooh. f. Fl. Brit. Tnd. vi- 71; caule robusto 



elongate, foliis loratis 2-lubis cras?e coriaceis, vagiuis lo3vibus, peduu- 

 culis elongatis parce ramosis, ramis apice floriferis, bracteis mmutis, 

 Bepalis oblongis y. obovato-oblongis obtusis, labelli lobis lateralibus 

 truncatis intermeJio brevi late coidato v. reniforrai apice rotundato, 

 calcare cylindraceo iuferne subinflato sepalia dimidio longiore. 



Hab. South Andaman Islands, Kurz. 



Gaulis crassitie pennee anatiiife v. anserinaB, radices elongntaa infra 

 folia emittentes. Folia 4-6 poll, louga, ^-f poll, lata, patenti-recurva, 

 costata, lobis rotundatis. FeduncuU rigidi, crassitie penn« corvinae, 

 erecto^patentcs, vaginis basi annularibns, ramis paacis divaricatis, 

 racemis pollicaribus densifloris ; flores J poll, diam., pedicellis unacum 

 ovario ^-pollicaribus. Sei>ala et petaia 3-nervia, flavo-viridia, fascia 

 intramarginali purpnrea. Lalellum flavum, calcare rubro maculate, 

 callo infra columnam ligalato retuso, infra lobnm terminalem bicruri. 

 Columbia brevisaima rostello maguo porrecto ; antbera acuminata v. 

 subrostrata ; pollinia parva, ellipsoidea, apice stipitis angusti sest-ilia, 



glandula parva. 



Closely allied to tlie IMalajau G. latifuUum (of wbich it may be a 

 glonder state), bat not nearly so stout, and with much larger flowers. 

 J. D. H. 



Fig. 1. Side view; and 2, front view of flower. 3. Lip, laid open. 4. Column. 

 6. Pollinia. All CMlaiycd, 



