367 
62. ONCIDIUM VENUSTUM DrapPrez: pseudobulbis 
mediocribus, oblongo-ligulatis, satis compressis, basi demum 
nudis, apice triphyllis; foliis majusculis, crassis, oblongo- 
lanceolatis, apice acutis vel leviter acuminatis, basi satis 
attenuatis; pedunculo communi erecto, gracili, simplici vel vix 
ramoso, foliis satis longiore, inferne vaginis pluribus tenuiter 
membranaceis majusculis acutissimis remotisque vestito, superne 
densiuscule circiter 12-floro; bracteis anguste triangularibus, 
acutissimis, ovario multo brevioribus; floribus satis parvis, 
longiuscule pedicellatis, segmentis membranaceis, patentissimis; 
sepalis subaequilongis, dorsali obovato-suborbiculari, obtuso, 
lateralibus obovato-oblongis, apice rotundatis, usque ad basin 
liberis; petalis obovato-panduratis, basi breviter unguiculatis, 
apice truncatis et leviter retusis, margine undulatis, sepalo 
dorsali satis longioribus; labello patenti-subreflexo, sepalis 
lateralibus satis longiore, ambitu obovato, utrinque glaberrimo, 
sessili, basi subrotundato, ad medium distincte trilobato, lobis 
lateralibus late obtuseque triangularibus, apice leviter emargi- 
natis, lobo terminali late obovato-suborbiculari, apice distincte 
emarginato, margine integerrimo paulo undulato, disco basi 
calloso; columna brevi, crassiuscula, glabra, alis elongatis, 
anticis, lineari-ligulatis, acutis, margine integerrimis, rostello 
longiuseule rostrato, anguste triangulari, acutissimo; anthera 
satis convexa, laevi, antice longiuscule acuteque producta. 
Oncidium venustum Drapiez in L’Hortic. Belg. III. 28. 
tab. 49 (1836). 
PSEUDOBULBI aggregati, erecti, recti vel leviter arcuati, superne longe 
leviterque attenuati, laeves, nitidissimi, pallide virides, 3—7 cm. longi, 
1—2'/ em. lati. Foria erecta vel erecto-patula, basi subconduplicata, 
superne leviter concava, supra nitida et intense viridia, subtus paulo 
pallidiora, 12—15 cm. longa, 2—2!/2 cm. lata; nervo mediano supra pro- 
fundiuscule canaliculato, subtus satis prominente; nervulis lateralibus paulo 
distinctis. PEDUNCULUS communis subrectus, teretiusculus, laevis, laete 
viridis, 20—22 cm. longus, 2'/2 mm. crassus; VAGINAE adpressae, laeves, 
flavo-fuscescentes, basilaris 3 cm. longa, Superiores decrescentes. PEDI- 
OCELLI patuli, subfiliformes, leviter flexuosi, cum ovario 16—18 mm. longi. 
BRACTEAE adpressae, satis concavae, pallide virides, circiter 2 mm. longae. 
SEPALA flavo-viridia, ad medium irregulariter fusco-fulvo maculata, 6 ad 
1 mm. longa, dorsale valde concavum, 4—5 mm. latum, lateralia satis 
concava, valde divergentia, 3—4 mm. lata. PeraLa leviter concava, satis 
obliqua, flavescentia et vittis 3—4 transversis interruptis purpureo-fuscis 
ornata, 8—9 mm. longa, apice 5—6 mm. lata. LABELLUM satis concavum, 
flavum, circiter 1 cm. longum, superne 7—8 mm. latum, lobis lateralibus 
extus margine fuscescentibus, lobo terminali basi transverse fusco- uni- 
vittato. Corumna leviter incurva, aureo-lutea et sparse fulvo-punctata, 
3 mm. longa, alis 2—2?/2 mm, longis. CAPSULA ignota. — Species mihi 
haud visa. 
Habitat in Brasilia loco accurato haud indicato: Hort. Van der 
Maelen. 
63. ONCIDIUM DIMORPHUM RzaEL: pseudobulbis 
oblongis, compressis, apice di—triphyllis; foliis oblongo- 
lanceolatis, obtusiusculis; floribus satis parvis, paniculatis; 
sepalis subaequilongis, obovatis, obtusissimis, lateralibus mar- 
gine satis undulatis usque ad basin liberis; petalis ovato- 
oblongis, apice rotundatis vel leviter emarginatis, margine 
crispis, sepalo dorsali subduplo longioribus; labello patenti- 
subdeflexo, sepalis lateralibus satis longiore, utrinque glaber- 
rimo, sessili, aut trilobo, lobis lateralibus patentissimis sub- 
ORCHIDACEAE: 
ONCIDIUM. 368 
orbicularibus margine crispis, lobo intermedio ovato-sub- 
rotundato integro paulo minoribus, aut labelli subintegri 
lobis lateralibus minutissimis dentiformibus, cristae tuberculis 
3—5 carnosis; columna brevi, satis gracili, glabra, basi in 
mentem oblongum producta, apice auriculis duabus longius- 
culis oblongis obtusis carnosis apice gibbosis patentissimis, 
rostello subulato, longiuscule producto; anthera satis convexa, 
laevi, antice longiuscule acuteque producta. 
Oncidium dimorphum Regel in Index Sem. Hort. Petrop. 
1869. p. 22, in Gartenfl. XIX. 2. tab. 637. fig. 4—6 (1870). 
FLORES flavo-aurei, fusco-maculati. SEPALA 7—8 mm. longa, dorsale 
erecto-patulum, valde concavum, 6—7 mm. latum, lateralia satis diver- 
gentia, patentissima, leviter concava, 4—5 mm. lata. PETALA patula, 
apice leviter incurva, paulo concava, leviter obliqua, basi satis attenuata, 
11—12 mm. longa, 5—6 mm. lata. LaBELLUM subplanum, 13—14 mm. 
longum. CoLumna 3 mm. longa. — Species mihi haud visa. 
Habitat in insula S. Catharina: Gautier. 
64. ONCIDIUM SALTATOR Lemarre: ebulbe; foliis 
crassis, lanceolato-oblongis, acutis; racemo paucifloro, brevi; 
floribus mediocribus, segmentis patulis; sepalis subaequilongis, 
dorsali valde concavo, ovato, obtuso, margine integerrimo, 
lateralibus ovato-oblongis, apice abrupte acutis, margine vix 
undulatis, usque ad basin liberis, valde divergentibus; petalis 
ovato-oblongis, leviter obliquis, apice subabrupte acutis, mar- 
gine undulato-crispulis, sepalo dorsali satis longioribus; labello 
sepalis lateralibus ut videtur subaequilongo, utrinque glabro, 
profunde trilobato, lobis basilaribus longiusculis, plicato-revo- 
lutis, erectis, anguste-ligulatis, obtusiusculis, margine integer- 
rimis, lobo terminali longe angusteque unguiculato, replicato, 
transverse anguste oblongo, basi late cuneato, apice distincte 
emarginato, callis disci quatuor, duobus posticis oblongis 
bilobulatis, uno mediano minimo, uno antico majore subtrilobu- 
lato; „dentibus clinandrii lateraliter brachiatim deflexo-arcuatis 
(modo saltatoris cujusdam) gynostematique crasso apicibus suis 
denuo adnatis;* anthera satis convexa, laevi, superne obscure 
carinata, antice non producta obtusa. 
Oncidium saltator Lemaire in Fl. des Serres. III. sub 
tab. 237 (1847), in Ill. Hort. III. Misc. p. 43. cum icon. 
(1856); Reichb. f. in Walp. Ann. Bot. I. 788. 
Foi viridi-cinerea et tenuiter obscure purpureo-punctata. FLORES 
circiter 31/2 cm, lati, luteo-sulphurei, labello purpureo-punctato. — Species 
mihi haud visa. 
Habitat in prov. Pará loco accurato haud indicato: Hort. Van Houtte. 
Sect. VI. INTEGRILABIA Limp. Folia Orch., Oncid. 
30 (1855); Pfitz. in Engl. und Prantl, Natürl. Pflanzenfam. 
II 6. p. 202; Stein, Orchideenb. 403. — Sect. PENTAPETALA 
$ INTEGRILABIA Lindl. in Paxt. Flow. Gard. I. sub tab. 6 (1851), 
Folia Orch., Oncid. 2; Cogn. in Journ. des Orch. IV. 35. — 
Sect. PLANIPOLIA (part) Benth. in Benth: et Hook. Gen. 
Pl. III. 563 (1883). — Sect. HoLocurLus O. Kuntze in 
T. von Post, Lex. Gen. Phan. 399 (1903). i 
