441 
medium 1!/;—2 mm. latum, lobis basilaribus patentissimis, 5 mm. longis, 
basi 1!/» —2 mm. et superne 3 mm. latis, lobo terminali tenuiter 5-nervu- 
loso nervulis satis ramosis, 6—7 mm. longo, 11—14 mm. lato. COLUMNA 
paulo recurva, lateraliter compressa, 2'/2 mm. longa, tabula infra stigmatica 
valde producta, alis tenuiter membranaceis, 1'/» mm. latis. CapsuLa ignota. 
Habitat in prov. Goyaz, loco accurato haud indicato: 
n. 292179. 
Glaziou 
194. ONCIDIUM SPRUCEI Linpt. pseudobulbis brevis- 
simis, cylindraceo-subglobosis, leviter compressis, primum 
vaginis pluribus tenuiter membranaceis majusculis anguste 
triangularibus acutisque vestitis, demum denudatis, apice 
monophyllis; foliis elongatis, carnosis, lineari-fusiformibus, 
teretiusculis, apice longe attenuatis acutisque, antice pro- 
fundiuscule sulcatis; pedunculo communi erecto, gracili, tere- 
tiusculo, foliis saepius satis longiore, inferne simplici et vaginis 
pluribus brevissimis remotissimis acutisque vestito, superne 
satis ramoso et densiuscule multifloro; bracteis minutissimis, 
membranaceis, anguste triangularibus, acutissimis; floribus 
majusculis, longiuscule pedicellatis, segmentis tenuiter mem- 
branaceis, patenti-subreflexis; sepalis acutis, basi anguste 
longeque unguiculatis, margine satis undulatis, dorsali obovato, 
lateralibus paulo longioribus anguste obovato-rhombeis; petalis 
anguste obovatis, apice abrupte acutis, basi angustiuscule 
longeque unguiculatis, tenuissime 5-nervulosis nervulis satis 
ramosis, margine undulato-crispis, sepalo dorsali aequilongis; 
labello patenti-subdeflexo, sepalis lateralibus subduplo longiore, 
utrinque glabro, sessili, basi apiceque aequilato vel apice satis 
angustiore, basi cordato, inferne profunde trilobato, lobis basi- 
laribus elongatis, oblique obovatis, apice subrotundatis, basi 
angustis, margine integerrimis, lobo terminali amplo, longius- 
cule angusteque unguiculato, late reniformi, basi distincte 
cordato, apice angustissime profundeque emarginato, margine 
leviter undulato, sinubus inter lobos latis obtuse subrectangulis, 
callo basilari carnoso, trituberculato, tuberculo mediano valde 
producto lateraliter valde compresso-lamelliformi apice rotun- 
dato, tuberculis lateralibus acutis pronis; columna brevis- 
sima, crassiuscula, glabra, alis anticis, latis, suborbicularibus, 
margine integerrimis; anthera satis convexa, laevi, postice 
obscure suleata, antice non produeta subtruncata. 
Oncidium Sprucei Lindl.! Folia Orch., Oncid. 14 (1855); 
Reichb. f. in Walp. Ann. Bot. VI. 719; Nichols. Dict. of 
Gard. 1V. 580, Suppl. 566; Stein, Orchideenb. 428; Williams, 
Orch. Grow. Man. edit. 7. p. 632; Pilger in Engl. Bot. Jahrb. 
XXX. 150 (1901); Sander, Orch. Guide 192. 
Rabo de Tati Brasiliensibus (secundum Spruce). 
RADICES numerosissimae, dense fasciculatae, longiusculae, graciles, 
tortuosae, cinereae, simplices vel satis ramosae. PsEUDOBULPBI aggregati, 
erecti, basi breviter attenuati, apice truncati, pallidi, laeves, !/—2 cm. 
longi, 7—16 mm. crassi; VAGINAE adpressae, pallide fulvae, 1—5 cm. longae. 
FoLia erecta, rigida, recta vel leviter areuata, intense viridia, 20—50 em. 
longa (usque 75 em. longa, ex SPRUCE), ad medium ‘/2—2 cm. crassa. 
PEDUNCULUS communis satis flexuosus, laevis, pallide viridis, 40—70 cm. 
longus vel longior, 3—5 mm. crassus, ramis patulis vel patentissimis, 
elongatis, gracillimis, simplicibus, distincte geniculato-flexuosis; VAGINAE 
arcte adpressae, tenuiter membranaceae, laeves, pallidae, !/2—1!/s cm. longae. 
PEDICELLI patentissimi, filiformes, recti vel leviter arcuati, cum ovario 
filiformi-clavato acutiuscule trigono 1!/»—2 cm. longi. BRACTEAE patentis- 
simae, rigidiusculae, satis concavae, 9—4 mm. longae. FLORES nutantes, 
ORCHIDACEAE: ONCIDIUM. 
442 
sepalis petalisque laete luteis, superne dilate rubris. SEPALA satis concava, 
tenuiter D-nervulosa nervulis satis ramosis, dorsale 11 mm. longum et 
5'/2—6'/2 mm. latum, lateralia satis obliqua, valde divergentia, basi vix 
connata, 12—13 mm. longa, 5 mm. lata. PeTaLa paulo concava, satis 
obliqua, 11—12 mm. longa, 5 mm. lata. LaseLLUM subplanum, laete 
luteum, basi dilute purpureum, subtus rubro maculatum, 20—22 mm. 
longum, lobis basilaribus 10—12 mm. longis, 6—7 mm. latis, lobo termi- 
nali tenuiter multinervuloso nervulis dichotome satis ramosis, 11—13 mm. 
longo, 22—23 mm. lato. CoLumna subrecta, 2'/2—3 mm. longa, alis 
tenuiter membranaceis, 2 mm. latis. CapsuLa ignota. 
Habitat in prov. Alto- Amazonas ad confluentem flum. Solimóes et 
Rio Negro: Spruce n. 1526; in prov. Pará: Gardner n. 2732; prope 
Santarem : Spruce n. 1006*; in prov. Piauhy: Gardner n. 2732 bis; in 
prov. Bahia: Hort. Williams; in prov. Matto Grosso: Riedel m. 10, 
Kulischre n. 768. Etiam in Surinam ad Warappa: Wullschlaegel n. 1121. — 
Floret. Januario— Julio. 
125. ONCIDIUM JONESIANUM RercaB. F. pseudo- 
bulbis minutissimis, ovato-oblongis, primum vaginis paucis 
tenuiter scariosis majusculis truncatisque vestitis, demum 
denudatis, apice monophyllis; foliis elongatis, carnosis, lineari- 
bus, subteretibus, apice longe attenuatis acutisque, antice 
profundiuscule suleatis; pedunculo communi pendulo, satis 
gracili, satis compresso, simplici, foliis saepius satis longiore, 
inferne vaginis paucis brevibus remotissimis dorso carinatis 
acutisque vestito, superne laxiuscule 10—16-floro; bracteis 
satis coriaceis, ovato-triangularibus, breviter acuminatis, basi 
amplexicaulibus, ovario multo brevioribus; floribus magnis, 
longiuscule pedicellatis, segmentis patentissimis, tenuiter mem- 
branaceis; sepalis obtusis, basi breviuscule angusteque un- 
guiculatis, margine valde undulatis, dorsali obovato, lateralibus 
paulo longioribus, late oblongis; petalis late oblongis, apice 
rotundatis, inferne longe cuneatis, tenuiter 7-nervulosis nervulis 
satis ramosis, margine valde undulato-crispis, sepalo dorsali 
paulo longioribus ; labello patenti-subdeflexo, sepalis lateralibus 
aequilongo, utrinque glabro, sessili, ambitu late obovato, basi 
cordato multo angustiore, inferne profundiuscule trilobato, lobis 
basilaribus parvis, auriculiformibus, latissime obovato-subdeltoi- 
deis, apice late rotundatis, basi valde constrietis, margine satis 
undulatis, lobo terminali amplo, breviuscule angusteque ungui- 
culato, transverse oblongo, basi leviter cordato, apice pro- 
fundiuscule emarginato, margine valde undulato-crispo, sinubus 
inter lobos latiusculis, fundo oblique rotundatis, disco basi 
crasse calloso, ,callo quinque membrato, carina mediana ultra 
apicem, lamina semipatellari in basi, lamina anteriori minori 
obtusangula utrinque papulis acutis dentibusque adventitiis 
nonnullis“; columna brevi, crassa, glabra, alis anticis, latius- 
culis, oblique subquadratis, margine integerrimis; anthera 
valde convexa, laevi, superne posticeque tenuiter costata, 
antice paulo producta obtusaque. 
Tabula nostra XCII. Fig. II (analysis). 
Oncidium Jonesianum Reichb. f. in Gard. Chron. new 
ser. XX. 781 (1883), XXI. 50, XXV. 13; L'Orchidoph. 1884. 
p. 5, 1886. p. 50 cum tab. col., 1889. p. 221; Williams, Orch. 
Alb. IV. tab. 183, Orch. Grow. Man. edit. 7. p. 614 cum 
icon.; Nichols. Dict. of Gard. II. 487, IV. 579. fig. 48 ; The 
Garden, XXXI. 148. tab. 583 (1887); Lindenia Il. 42 et 51. 
tab. 72; Sander, Reichenbach. ser. 1. I. 47. tab. 21. fig. 1, 
