10a. Plants erect, caespitose; ovary with parietal placentation, uniloc- 

 ular [Tropical America] Epistephium 



1 1 . Plants with slender stems; rachis glabrous; flowers thin, glabrous; 



column slender, erect; lip easily flattened, explanate 12 



11a. Plants with stout stems; rachis pubescent-furfuraceous; flowers 



fleshy, furfuraceous to pubescent; column stout, arcuate-clavate; 

 lip cup-shaped to saccate, cannot be flattened Galeola 



12. Bracts at base of branches small, non-foliaceous; column with a 



short, descending foot, tapering into the thick, median ridge of 

 lip; pollinia solid; lip with numerous transversely parallel ridges 

 on both sides of median ridge Erythrorchis 



12a. Bracts at base of branches foliaceous; column footless; pollinia 



granular-farinaceous; lip basally fused with column forming a 

 short, saccate nectary; disc of lip densely verrucose 



Pseudovanilla 



NOMENCLATORIAL MATTERS. 



Dictyophyll 



m 



mesh and vhvllarion = small 



refe 



Sepala petalaque subsimilia, libera, plus minusve patentia; labellum convolu- 

 tum, liberum; columna libera, gracilis, subclavata, facie glaberrima; clinan- 

 drium cucullatum; anthera incumbens, bilocularis; pollinia 2, exappendiculata, 

 pulvereogranulosa, rostello haud affixa, sessilia; stigma sub rostello tranver- 

 sum, subreniforme. 



Plantae terrestres, ut videtur semper ramosae, basi radicantes, rhizomatis 

 interdum ramosis; caules erecti, ramosi, foliati, foliis sursum decrescentibus 

 exeuntibusque, laminis supra distincte reticulato-plurinervulosis; flores satis 

 parvi, subsessiles, segmentis plus minusve patulis; ovarium gracile; fructus 

 cylindricus, indehiscens, niger; semina sclerotica, exalata, nitida. 



Typus: Vanilla Dietschiana Edwall. 



Enumeration of species. 



Dictyophyllaria Dietschiana (Edwall) Garay, comb. nov. 



Basionym: Vanilla Dietschiana Edwall in Revist. do Centr. 

 Sci. Letr. e Art. de Campin. No. 4: extr. p.l, t.2, July 1903. 



Reported from: Brazil. 



231 



