Plate 2100. 



ANjECTOCHILUS TETRAPTERUS, Iluok.f. 



OacHiDE^. Subtribe Spiran'iiu\'E 

 A. tetrapterus, Eoolc. f, FL Brit. Ind. vi. 96 ; foUis ovatis acutis 



acumiDatisve breviter pe'tiolatis, spica pauciflora, labelli un^rne basi 

 anguste alato isthmo elongato gracili integerrimo, lamina? lobis bitid'.s 

 bipartitisve. 



Hab. Mnnnipore ; at Eerung, alt. 2,000 feet, CJarle, 



Cuulls basi decumbens, vaginatup, deiii ascendens, paucifoliatus. 

 Folia 11-2 poll, loiiga, 5-nervia, petioli vaginis iiiflatis. Sccrpus 

 2-pollicans, vagiuis 2 magnis elongato-acuminatia ; spica 1-2-poUic'ans, 

 tomentosa ; bracteee ]aTice(jlata\ ovaria tequantes v. superaiites. Florts 

 I poll. kti. Sepala late ovata, acuminata, petalaque obliqne lanceolata 

 apicibus piUs dcciduis stellatim oniata. Labellum | poll, longuni, 

 ungue basi in auriculas breves prodacto, isthmo canaliculato arcuato ; 

 alis rectangalis divaricatis, intervallo apicnlato ; calcare perbreyi 

 conico iiiflat'o iutus infra coluniuam appendiculis 2 conicis carnos.s 

 iTistrucfo. Gulumna brevis, marginibus snperne in corniia ascendentia 

 obtnsa productis, basi velo bifido calcar occludente instructa. 



From the shortness of its spur this species of AnmcfocJiilu^ approxi- 

 mates nearest ot all to Odovtochih^s, and tends to invalidate the very 

 artificial character by which these genera are kept apart— namely, that 

 in the former genus the spur, even if reduced to a sac, is exposed 

 whereas in OdonfochUus the sac is concealed by the bases of the lateral 

 Sepals, which hence form a nieutnm. — J. D. H. 



Fig. 1. Lateral, and 2. front, view of flower. 3. Column and spur of lip, the latter 

 laid open. Alt enlarged. 



t. 



