320 . A. CoGNiAux:' 



2, Folia magna (ultra 8 cm. longa); sepala ultra 50 mm. longa; 

 labellum circiter usque ad medium columnae adnntum. 



a. Folia i^lana, basi subrotundata; sepala liueari-oblonga, 5 — 7 cm. 

 longa; labellum sepalis brevius. 



r. Bracteae anguste trianguläres, acutae; labellum apice retusum, 

 nervis crenulato - verrucosis ; cajjsula elongata. 



28. V. 2)1(1 ui folia Andr. 



2'. Bracteae triangulari-ovatae, obtusiusculae; labellum apice 

 subtruncatum, nervis non verrucosis; Capsula breviuscula. 



29. V. phaeantJta Rclib.f. 



b. Folia leviter plicata, basi subcordata; sepala oblongo-lanceolata, 

 8 — 8Y2 cm. longa; labellum sepalis longius. 



30. V. Pompona Schiede. 

 II. Caulis ax)hyllus vel foliis ad bracteas abortivas reductis. 



A. Labellum indivisum. Folia ad squamas reducta. 



1. Sepala petalaque obtusa; labellum marginibus columnae breviter 

 adnatum, apice eraarginatum, disco cristato. 



a. Folia abortiva oblongo-lanceolata; labelli discus glaber, laevis. 



31. V. daviculata Sw. 



b. Folia abortiva lanceolato-linearia; labelli discus barbellatus. 



32. V. barbellata Rclib.f. 



2. Sepala petalaque acuta; labellum marginibus columnae longe ad- 

 natum, apice acutum, disco nudo . 33. V. Eggersii Rolfe. 



B. Labellum trilobatum. Folia nulla. 



1. Sepala petalaque acuta 34. F. Poitaei Rchb.f. 



2. Sepala petalaque obtusa .... 35. F. articulata Northrop. 



25. Vaiiiila inodora Schiede: caule crassiiisculo , elougato, tere- 

 tiusculo, paulo flexuoso; foliis subsessilibus, in sicco membrauaceis 

 mollibusque, planis, ovato-ellipticis vel ovato-lanceolatis, longiuscule 

 acumiiiatis, basi subrotuudatis, apice leviter obliquis, 12 — 20 cm. 

 longis, 4 — 8 cm. latis; racemis axillaribus vel subterminalibiis, saepius 

 3 — 5-floris, 3 — 6 cm. longis; bracteis subdistichis, ovatis vel ovato- 

 lanceolatis, acutis, subfoliaceis, ly^ — 3 cm. longis; sepalis petalisque 

 anguste lauceolatis, obtusiiiscule aciiminatis, superne revolutis, 5 — 

 6Y2 cm. longis; labeUo sepalis satis breviore, basi columnae breviter 

 adnato, limbo latissimo, leviter trilobato, lobis lateralibus obtusis, lobo 

 intermedio late ovato-oblongo subacuto, disco tricostato iuappendiculato; 

 columna glabra, 2Y2 cm. longa; capsulis gracile cylindraceis, inodoris, 

 12 — 25 cm. longis. 



Vanilla inodora Schiede! in Linnaea IV (1829) p. 474 et VI 

 p. 59; Rolfe in Journ. Linn. See. Lond. XXXII p. 449. 



Epidendnnn Vanilla (pari.) L. Spec. ed. I (1753) p. 950; Sw. 

 Obs. Bot. p. 324. 



Vanilla aromatica fpart.) Sw. in Act. Ups. VI (1799) p. 66, 

 Flor. III (1806) p. 1518; A. Rieh, in Sagra, Fl. Ouh. Faner. XI p. 250; 



