419 ORCHIDACEAE: ONCIDIUM. 420 
Oncidium sphegiferum Lindl.! in Bot. Regist. XXIX. 
Misc. p. 17 (1843), XXX. Misc. n. 76, in Paxt. Flow. Gard. 
II. 9. fig. 124, Folia Orch., Oncid. 35; FI. des Serres, VII. 
219. fig. 3 (non fig. 6); Reichb. f. în Walp. Ann. Bot. VI. 773; 
Rolfe in Gard. Chron. ser. 3. III. 716 (1888); Veitch, Man. 
Orch. PI. VIII. 80. cum icon.; L. Lind. Orch. Exot. 903; 
Nichols. Dict. of Gard., Suppl. 566; Sander, Orch. Guide 192. 
PsEUDOBULBI 2'/s—4 cm. in diametro. FoLia erecta, rigida, basi 
breviter conduplicata, superne satis concava, utrinque pallide viridia, 
15—20 cm. longa, 3—4!/ cm. lata; nervo mediano supra profundiuscule 
canaliculato, subtus valde prominente; nervulis lateralibus satis numerosis, 
in sicco utrinque tenuiter prominentibus praecipue supra. PEDUNCULUS 
communis teretiusculus, pallide viridis, 9—12 dm. longus, 2-3 mm. crassus, 
ramis alternis, patentissimis, breviusculis, saepius simplicibus; VAGINAE 
arcte adpressae, laeves, albidae, 8—12 mm. longae. PEDICELLI patentis- 
simi vel recurvi, capillares, satis flexuosi, cum ovario lineari obscure 
trigono 15—18 mm. longi. BRACTEAE patenti-reflexae, rigidiusculae, satis 
concavae, pallidae, 2—3 mm. longae. Frores patenti-nutantes, sepalis 
petalisque intense luteis, inferne dilute obscure purpureis. Separa leviter 
concava, tenuiter 5-nervulosa, 12 mm. longa, dorsale 5!/ —6 mm. latum, 
lateralia leviter obliqua, valde divergentia, usque ad basin libera, 4 ad 
4'[» mm. lata. Perata paulo concava, satis obliqua, 11—12 mm. longa, 
apice 4—4'/; mm. lata, LABELLUM paulo concavum, subtiliter multi- 
nervulosum nervulis satis ramosis, laete luteum et fusco-maculatum, 12 ad 
14 mm. longum, basi 9—10 mm. et ad medium 2'/—3 mm. latum, lobo 
terminali 4'/—5 mm. longo et 8—10 mm. lato. Conumna erecta, clavi- 
formis, 3—3'/: mm. longa, alis purpureis. CAPSULA ignota. 
Habitat in Brasilia loco accurato haud indicato: Loddiges; in 
prov. Rio de Janeiro supra arbores ad Corcovado : Miers; in prov. Paraná: 
Weir n. 404. 
108. ONCIDIUM PULVINATUM Lixpr. pseudobulbis 
satis parvis, late oblongo-suborbicularibus, valde compressis 
ancipitibusque, basi primum vaginis pluribus majusculis mem- 
branaceis ovato-triangularibus acutis exterioribus multo brevi- 
oribus vestitis demum denudatis, apice diphyllis; foliis majus- 
culis, crassiuscule coriaceis, oblongis vel oblongo -ligulatis, 
apice subabrupte acutis, basi longiuscule attenuatis, dorso 
inferne carinatis; pedunculo communi nutante vel ascendente, 
gracili, foliis multo longiore, inferne recto simplici vaginis 
paucis breviusculis tenuiter membranaceis remotissimis acumi- 
natisque vestito, superne leviter geniculato-flexuoso satis 
ramoso et densiuscule multifloro, ramis gracillimis, geniculato- 
flexuosis; bracteis submembranaceis, triangulari-linearibus, 
acutissimis, ovario multo brevioribus; floribus mediocribus, 
breviuscule pedicellatis, segmentis tenuiter membranaceis, 
patentissimis; sepalis aequilongis, anguste obovatis, apice 
subrotundatis, basi longiuscule et angustiuscule unguiculatis, 
margine leviter undulatis; petalis obovato-oblongis, apice 
rotundatis, basi angustiuscule breviterque unguiculatis, mar- 
gine satis undulatis, subtiliter 7-nervulosis nervulis sub- 
simplicibus, sepalo dorsali aequilongis; labello patenti-deflexo, 
sepalis lateralibus paulo longiore, subsessili, utrinque glabro, 
ambitu late suborbiculari-quadrato, basi distincte cordato, 
profunde trilobato, lobis margine valde undulato-crispis, basi- 
laribus majusculis, rotundatis, margine leviter fimbriatis, 
terminali satis majore, sessili, transverse oblongo, basi trun- 
cato-subcordato, apice satis emarginato, sinubus inter lobos 
angustissimis, disco basi latiuscule tuberculato, tuberculo circu- 
lari, pulvinato, dense tomentoso; columna brevissima, crassius- 
cula, glabra, alis latiusculis, rigidiusculis, subrotundatis, 
glabratis, rostello non producto; anthera cucullata, subtiliter 
puberula, apice tenuiter cristata, antice subtruncata et minute 
apiculata. 
Tabula nostra LXXXI (habitus cum analysi). 
Oncidium pulvinatum Lindl.! in Bot. Regist. XXIV. 
Misc. p. 61 (1838), XXV. tab. 42, Sert. Orch. sub tab. 48, 
in Paxt. Flow. Gard. II. 9. fig. 126, Folia Orch., Oncid. 35; 
Lemaire, Fl. des Serr. Angl. Août 1839. cum tab. col.; Gardn. 
in Hook. Lond. Journ. of Bot. I. 189; Fl. des Serres, VII. 
219. fig. 5; Beer, Prakt. Stud. Fam. Orch. 292, Beitr. Morph. 
und Biol. Orch. tab. 9. fig. 15; Duchartre, Man. Gen. des PI. 
IV. 493; Reichb. f. in Linnaea XXV. 248, in Walp. Ann. 
Bot. VI. 773; Du Buyss. L'Orchid. 429; Nichols. Dict. of 
Gard. II. 489; Stein, Orchideenb. 426; Veitch, Man. Orch. 
Pl. VIII. 72. cum icon; Williams, Orch. Grow. Man. edit. 
7. p. 628; Autran et Dur. Hort. Boiss. 334; Cogn. in Dict. 
Ic. des Orch., Oncid. tab. 10; Sander, Orch. Guide 190. 
Oncidium sciurus Scheidw. in Otto et Dietr. Allgem. 
Gartenz. VII. 496 (1839); Beer, Prakt. Stud. Fam. Orch. 292. 
Rapices numerosae, dense fasciculatae, robustiusculae, breviusculae, 
tortuosae, simplices, canescentes. PsEUDOBULBI solitarii vel interdum 
fasciculati, erecti, laeves, pallide virides, 3!/:—5 cm. in diametro; vaginae 
erectae vel erecto-patulae, rigidiusculae, pallidae, margine tenuiter Scariosae, 
lateraliter valde compressae, dorso acute carinatae, interiores 5—10 cm. 
longae, exteriores 1—2 cm. longae. FoLIA erecta vel erecto-patula, rigida, 
pallide viridia, basi breviter conduplicata, superne leviter concava vel 
subplana, 20—30 em. longa, 4—6 cm. lata; nervo mediano supra profunde 
canalieulato, subtus valde prominente; nervulis lateralibus numerosis, vix 
distinctis. PEDUuNCULUS communis teretiusculus vel leviter compressus, 
intense viridis, usque 2—3 m. longus, 3—8 mm. crassus, ramis patentis- 
simis, elongatis, simplicibus vel satis ramulosis; vAGINAE arcte adpressae, 
laeves, pallidae, 1—2 cm. longae. PeDICELLI patentissimi, subfiliformes, 
recti vel paulo flexuosi, cum ovario lineari acutiuscule trigono 12—17 mm. 
longi. BRACTEAE subadpressae, rigidiusculae, satis concavae, 2—4 mm. 
longae. FroRts patuli vel nutantes, sepalis petalisque superne luteis, 
inferne purpureo-fuscis. SEPALA subtiliter 5-nervulosa, 11—13 mm. longa, 
5—6'/2 mm. lata, dorsale valde concavum, lateralia leviter obliqua, paulo 
concava, usque ad basin libera, valde divergentia. PETALA subplana, satis 
obliqua, 11—13 mm. longa, 6—7 mm. lata, LaBELLUM subplanum, flavum 
et purpureo-maeulatum, 13 — 14 mm. longum, ad basin 14—15 mm. et ad 
medium 3—5 mm. latum, lobo terminali tenuiter 5-nervuloso nervulis 
ramosissimis, 5—6 mm. longo, 10—11 mm. lato. Corumna erecta, clavi- 
formis, lateraliter compressa, flava et purpureo-maculata, 4 mm. longa. 
Capsura pendula, anguste oblongo-fusiformis, acutiuscule trigona, longi- 
tudinaliter 6-costata, basi breviter apice longe attenuata, fusco-viridis, 
2'/2—3 cm. longa, 7 mm. crassa. 
Var. B. GRANDIFLORUM Regel în Index Sem. Hort. Petrop. 
1856. p. 22; Ann. Sc. Nat. ser. 4. VI. 377 (1856). 
Var. majus Williams, Orch. Grow. Man. edit. 6. p. 499 
(1885), edit. 7. p. 628; Nichols. Dict. of Gard. II. 489; Stein, 
Orchideenb. 426. 
FLORES majores et pulchre colorati. 
Var. y. CUPREUM Hort.; Stein, Orchideenb. 426 (1892). 
PEDUNCULUS communis vix 5 dm. longus. FroREs majores, seg- 
mentis flavo-aureis, basi fusco-cupreis, labello flavo et purpureo-maculato. 
Habitat in arboribus etiam in rupibus prope Caldas prov. Minas 
Gerais: Lindberg n. 538, Regnell ser. I. n. 428; in prov. Rio de Janeiro 
ad Nova Friburgo: W. Harrison; in sylvis virgineis supra arbores ad 
