638 A. (osnIaux: 
Brassia maculata R. Br. in Ait. Hort. Kew. edit. 2. V (1813) 
p. 215; Bot. Mag. t. 1691; Griseb. Flor. p. 633. 
Flores odorati, viridi-flavescentes, segmentis inferne fusco-purpureo 
maculatis, labello pallidiore. 
Hab. in Jamaica: Purdie, Wullschlaegel, D. Morris. — Guatemala. 
LXXXVIN. Oncidium Sw. 
Sw. in K. Vetensk. Akad. Nya Handl. Stockh. XXI (1800) p. 239, 
Flor. III p.1479; Benth. et Hook. Gen. III p. 562; Pfitx. in Engl. 
und Prantl, Natürl. Pflanzenfam. II.6 p. 199; Cogn. in Mart. Fl. 
Bras. III.6 p. 286. 
Sepala saepius subaequalia, patula vel reflexa, libera vel Inkenadi9 
inferne breviter connata. Petala sepalo postico similia vel rarius ma- 
jora. Labellum basi columnae affixum, continuum, ungue brevi a 
columna divergente vel patente, plus minusve distinete trilobatum; lobi 
laterales ungui adnati, saepius breves patentes vel reflexi, nunc ob- 
soleti, medius patens, interdum latissimus, emarginatus vel bifidus; 
discus ad apicem unguis saepissime insigniter eristatus vel tubereulatus. 
Columna brevis, crassa, superne ad latera stigmatis utrinque ala peta- 
loidea aurieuliformi extra marginem foveae instructa, apoda sed basi 
saepius antice breviter gibba vel biaurieulata; elinandrium nunc bre- 
vissimum truncatum nune ovatum oblique erectum, integrum vel antice 
breviter bidentatum. Anthera terminalis, opereularis, ineumbens, valde 
convexa, 1-locularis vel imperfeete rarius perfecte 2-locularis; pol- 
linia 2, cerea, obovoidea, inappendiculata, anthera dehiscente stipiti 
plano angusto elongatoque vel lato brevissimoque affıxa, glandula 
varia. — Herbae epiphyticae, Americae tropicae incolae, caulibus 
foliatis saepius brevibus vel brevissimis pseudobulbo 1— 2-foliato ter- 
minatis, rarius multifoliatis ebulbosis. Folia sub pseudobulbo pauca 
interdum nulla, plana, coriacea vel rarius papyracea, vel in speciebus 
ebulbosis basi a latere compressa distiche equitantia. Pedun culi 
laterales vel ad basin pseudobulborum saepius elongati ramosique. 
Racemi laxi, floribus saepe speciosis rn plus minusve flavis. 
Bracteae parvae., 
Conspectus seetionum. 
I. Folia plana. 
A. Clinandrium margine nudum. 
1. Petala sepalis lateralibus multo majora I. Macropetala. 
2. Petala sepalaque subaequalia. 
a. Labellum indivium . . . . . I. Integrilabia. 
b..Labellum aurieulatum panduratum. 
