ACHASMA. à 429 
3. Achasma macrocheilos Pl. CCCLVII. 
Axis floriferis, 4-6 uncialis. Bracteis oblongo-ovatis cus- 
pidatis concavis laxis non adpressis sub 4-fariis, coriaceis 
striatis fuscescentibus. 
Bracteoli 2, 14 uncialis conduplicato-concave, scariosze ‘ 
cuique flora. Calyx bracteolius à longior tubum corollz 
zequans, spathacei fissus, /abio 3-dentato, antico. 
Cor.ringens, per. externum e sepalis 3, lineari-oblongis, 
conniventibus postico latiore lateralibus solutis, labello suppo- 
sitis. ; 
Labellum maximum porrectum 3-lobum, lobis lateralibus 
in filam. cucullato acumbent. marginibus subinvolutis, accedit 
unguis linearis, marginibus involutis in ungue depressis, 1 
uncialis terminatur, lamina brevi linguiforme ad basin bipar- 
tito, potius lobo terminali centro crasso carnoso, marginibus 
undulata inflexis, in partem carnosum arcte incumbent. apice 
bipartit. lacinia marginibus iavolutis. Labellum valde veno- 
sum cum filam. ultra insertionem sepal. lateratum connat. 
Filam liberum mediocre complanatum concavum, vasc. fasc. 
pluribus. Anthera profunde biloba, lobis divaricatis, loculis 
angustis, inferne connivent et stigma amplectent, valvis in- 
sequal. utraque secus lineam commissure dense breviterque 
barbata. Pollen globos. album, lieve, outer coat quite hyaline. 
Stylus £liformis parce pilosus apice dilatatum in leaving 
the anther about its middle, stigma rima hians in margine 
anteriori paucis dilatata. 
Apex if viewed from above triangular 3rd, angle posticous, 
stigma occupying the place between the two inferior or late- 
ral angles. 
Ovarium compressum 3-loculare, placentis vix centro mu- 
tuo adnatis facile solubilibus in sectionem transversem late 
Sagittate оо, placentis, parte, exterior insertis. 
1. Plant natural size. 
. Bud. 
3. Lateral of flower. 
