288 



MR. G. BENTHAM ON OECIIIDE^E. 



Subtribus 3. Cyrtopodiece. Folia pseudobulborum plicato-venosa. Scapi 

 florentes aphylli. Columna saepissime in pcdem producta. 



Subtribus 4. Stanhopiece. Folia pseudobulborum plicato-venosa. Scapi 

 florentes aphylli. Columna saepius apoda. Labellum carnosura. 



Subtribus 5. Maxillariea. Folia non plicata. Scapi florentes aphylli v. 

 pcdunculi axillares. Columna in pedem producta. 



Subtribus 6. Oncidiea. Folia non plicata. Scapi florentes aphylli v. 

 pedunculi axillares. Columna apoda. 



Subtribus 7. Sarcanthe<e. Caules ebulbosi, distichophylli, rarius aphylli, 

 radicantes. Folia non plicata. Pedunculi laterales v. axillares. 



Subtribus 8. Notyliea. Rostellum terminale, erectum v. antrorsum 

 inclinatum, postice saepius concavum antheram fovens. Pollinarii stipes 

 simplex v. duplex, angustus v. apice dilatatus, ab apice rostelli pen- 

 dulus. 



Tribus 3. Neottie^e. Anthera 1, postica, opercularis v. erecta persis- 

 tensque, loculis distinctis parallelis. Pollinia granulosa pulverea v. sectilia. 

 Caules ebulbosi. 



Subtribus 1. Vanillece. Caules elati, saepe ramosi, erecti v. alte scan- 

 dentes. Racemi v. paniculae terminates v. simul axillares. Anthera sub- 

 opercularis, rostello brevi incumbens. 



Subtribus 2. Corymbiece. Caules elati interdum ramosi, foliis amplis. 

 Racemi v. paniculae terminates. Anthera erecta, rostello erecto parallel*. 



Subtribus 3. Spiranthece. Caules simplices, erecti, foliis membranaceis 

 rarius 0, rbizomate non tuberifero. Anthera erecta v. antrorsum inclinata, 

 rostello longiusculo parallela. 



Subtribus 4. Diuridecs. Caules simplices, erecti, aphylli 1-foliati v. 

 rarius paucifoliati, rhizomate varie tuberifero. Anthera erecta v. antrorsum 

 inclinata, rostello brevi v. rarius longiusculo. 



Subtribus 5. Arethusea. Caules simplices, erecti, aphylli 1-foliati v. 

 rarissime paucifoliati, rhizomate saepius varie tuberifero. Anthera oper- 

 cularis, incumbens v. suberecta. 



Subtribus 6. Litnodorea. Caules simplices, erecti, foliati v. rarius aphylli, 

 rhizomate non tuberifero. Anthera opercularis, incumbens v. suberecta. 



Tribus 4. Ophryde^. Anthera 1, postica, erecta prona v. reftexa, 

 loculis parallelis v. divergentibus distinctis clinandrio adnatis basique sa;pe 

 in rostello continuis. Pollinia granulosa, in quoque loculo basi in caudi- 

 eulam producta, caudiculis anthera dehiscente extremitate glandulae a 

 rostello solvendae affixis. 



Subtribus 1. Serapiadea. Anthera erecta. Polliniorum glandula in 

 sacculo a dorso rostelli elevato inclusae. 



Subtribus 2. Habenariece. Anthera erecta. Polliniorum glandulse nudae 

 v. rarius rostelli lobis canaliculars v. apice inflexis semiinclusa. 



Subtribus 3. Disecs. Anthera reclinata v. in dorso columna: reftexa rarius 

 suberecta. Stigma amplum pseudoterminale v. labello subadnatum. 



Subtribus 4. Coryciece. Sepalum posticum cum petalis saepius in galeam 



