329 
Orch. II. 19; Beer, Prakt. Stud. Fam. Orch. 285; Duchartre, 
Man. Gen. des Pl. IV. 485; Reichb. f. in Walp. Ann. Bot. 
VI. 739; Du Buyss. L'Orchid. 420; Barb. Rodr. Struct. des 
Orch. tab. 11. fig. 5; Nichols. Dict. of Gard. II. 426; Godefr.- 
Leb. in L'Orchidoph. 1888. p. 15 cum tab. col.; Watson, Orch. 
375; Stein, Orchideenb. 412; Veitch, Man. Orch. PI. 38; Bois, 
Orch. 154; Gard. World VII. 53 cum ic.; Williams, Orch. 
Grow. Man. edit. 7. p. 610 cum ic.; L. Lind. Orch. Exot. 896; 
Autran et Dur. Hort. Boiss. 332; Sander, Orch. Guide 180; 
Cogn. in Bull. Herb. Boiss. 1903. p. 935. 
RHızomA longiusculum, ascendens, satis flexuosum, teretiusculum 
vel leviter compressum, 5—9 mm. crassum, primum vaginis numerosis 
breviusculis membranaceis pallide fuscis imbricatisque vestitum, vetustius 
nudum; RADICIBUS sparsis vel infra pseudobulbum subfasciculatis, elon- 
gatis, gracilibus, flexuosis, canescentibus, simplicibus vel satis ramosis. 
PsEUDOBULBI inter se 3—5 cm. distantes, erecti, paulo obliqui, laeves, 
intense virides, 4—8 cm. longi, 2—3 cm. lati. FoLiA plus minusve patula, 
rigidiuscula, basi breviter conduplicata, superne leviter concava vel sub- 
plana, supra intense viridia, subtus paulo pallidiora, 10—22 cm. longa, 
1'/2—3 cm. lata; nervo mediano supra leviter canaliculato, subtus satis 
prominente; nervulis lateralibus utrinque 4— 6, gracilibus, in sieco utrinque 
leviter prominentibus praecipue subtus.  PEDUNCULUS communis satis 
flexuosus vel subrectus, teretiusculus, laevis, pallide viridis vel saepius 
plus minusve intense purpureus, 50—90 cm. longus, 3—6 mm. crassus, 
ramis patulis, elongatis, gracillimis, satis geniculato-flexuosis, simplicibus 
vel satis. ramulosis; VAGINAE arcte adpressae, pallidae, subtiliter multi- 
striatae, 4— 7 mm. longae. PEDICELLI patentissimi, subcapillares, satis 
arcuati vel subrecti, cum ovario filiformi obscure trigono 9—12 mm. longi. 
BRACTEAE patulae, satis concavae, 1—2 mm. longae. Frones patentes, 
nitidissimi, pulchre lutei, sepalis petalisque transverse castaneo - fusco 
zonatis. SEPALA satis concava, subtiliter trinervulosa, 3!/—4 mm. longa, 
dorsale 2 mm. latum, lateralia 1'/2 mm. lata, superne valde divergentia. 
PeraLa leviter concava, paulo obliqua, 5 mm. longa, 2'/s mm. lata. 
LABELLUM 12—13 mm. longum, basi castaneo-fusco maculatum, lobis basi- 
laribus 2'/2—2 mm. longis, vix 1 mm. latis, lobo terminali subplano, 
tenuiter multinervuloso nervulis satis ramosis, 8 mm. longo, 12—15 mm. 
lato. COLUMNA recta, 21/2 mm. longa, alis 11/2 mm. latis. CAPSULA nutans, 
oblonga, satis obliqua, basi acuta, apice satis attenuata, obscure trigona, 
leviter 6-sulcata, 22—23 mm. longa, 6—7 mm. lata, 
Var. B. minus Hort; Reichb. f. Cat. Orch. Schill. 53 
(1857, — nomen tantum). 
FLORES minores. 
Var. y. masus Horl.; Nichols. Dict. of Gard. II. 486 
(1886); Stein, Orchideenb. 413; Williams, Orch. Grow. Man. 
edit. 7. p. 610. 
FrLonES multo majores. 
Var. È. CITRINUM Regel $ in Index Sem. Hort. Petrop. 
1855. p: 21; Reichb. f. in Walp. Ann. Bot. VI. 739. 
LABELLUM sulphureum, immaculatum. Caetera ut genuina. 
Var. e. unıcoLor Hort.; Gard. Chron. ser. 3. XXVII. 
409 (1900); Orch. Rev. 1900. p. 213; Kew Bull. 1901. 
Append. III. 96. DL 
"Fhores laete lutei, immaculati. 
Var. C. RADIATUM Reichb. f. in Gard. Chron. 1872. p. 358; 
Nichols.. Dict. of Gard. II. 486. 
LABELLUM isthmo ac basi laminae anticae pulcherrime brunneo- 
purpureo radiato-striatis, eallis juxta tubercula primaria fere nullis. 
ORCHIDACEAE: 
ONCIDIUM. 330 
Habitat in prov. Bahia: Blanchet n. 1468 et 6000; ad Ilheos: 
Blanchet n. 2306; in prov. Rio de Janeiro: Riedel n. 22, Glaziou n. 9316 
et 13229; prope Rio de Janeiro: Burchell n. 2685 ; ad Serra dos Orgdos: 
Gardner n. 643, Miers n. 3479; in prov. S. Paulo frequens: Burchell n. 3188, 
Comm. Geogr. e Geol. S. Paulo n. 2873; in campis prope Ytá: Martius 
n. 505; ad Campinas: Dr. Noack; in prov. S. Catharina ad Blumenau: 
Dr. Guill. Mueller; in sylvis ad Itajahy: E. Ule; in Brasilia austro- 
orientali locis accuratis haud indicatis: Sellow, Princ. Max. Neuwied, 
Houllet. Etiam in Paraguay in sylvis supra arbores prope San Bernardino: 
Hassler n. 3417. — Floret Octobri— Martio. 
34. ONCIDIUM BLANCHETII Rercus. r. pseudo- 
bulbis majusculis, oblongis vel anguste ovoideo-oblongis, valde 
compressis, junioribus basi vaginis paucis majusculis mem- 
branaceis acutisque vestitis, vetustioribus denudatis, apice 
triphyllis; foliis elongatis, satis coriaceis, anguste lineari- 
ligulatis, apice acutis, inferne longissime attenuatis; pedunculo 
communi erecto, robusto, foliis multo longiore, inferne simplici 
vaginis paucis breviusculis tenuiter membranaceis remotis- 
simis acuminatisque vestito, superne satis ramoso et densius- 
cule multifloro; bracteis rigidiusculis, triangulari-lanceolatis, 
breviter acuminatis, ovario multo brevioribus; floribus medi- 
ocribus, breviuscule pedicellatis, sepalis petalisque patulis, 
basi carnosulis, superne membranaceis; sepalis basi latiuscule 
breviterque unguiculatis, dorsali oblongo, acutiusculo, late- 
ralibus paulo longioribus, oblique lanceolatis, breviter acumi- 
natis, apice uncinatis, basi tantum connatis; petalis ovato- 
quadrangulis, subpanduriformibus, apice truncato-subretusis, 
basi brevissime unguiculatis, margine undulato-subcrenulatis, 
tenuiter 5-nervulosis, sepalo dorsali aequilongis; labello 
patenti-subdeflexo, sepalis lateralibus subduplo longiore, sessili, 
utrinque subtiliter furfuraceo praecipue supra, basi profundius- 
cule emarginato-cordato, distincte trilobato, lobis basilaribus 
longiusculis, subretrorsis, oblongo-subspathulatis, apice rotun- 
datis, margine minute undulato-crenulatis, lobo terminali amplo, 
longiuscule angusteque unguiculato, late reniformi, basi leviter 
emarginato et cordato, apice latiuscule profundeque emargi- 
nato et in sinu minutissime apiculato, margine leviter undu- 
lato, sinubus inter lobos latissimis, disco basi crasse calloso, 
callo subrectangulari, longitudinaliter leviterque 3—4-sulcato 
et obscure verruculoso, tuberculis 3 minoribus verrucosis 
antepositis, lateralibus 2 parvis; columna brevi, crassiuscula, 
glabra, alis latiusculis, anticis, obtuse quadrangulis, margine 
antice undulato-suberenulatis; anthera valde convexa, glabra, 
apice leviter sulcata, antice acuta, 
Tabula nostra LXXVII (habitus cun analysi). 
Oncidium Blanchetii Reichb. f.! in Linnaea XXII. 845 
(1849), in Walp. Ann. Bot. IIL 555, VI. 737; Lindl. Folia 
Orch., Oncid. 24. 
RADICES numerosae, dense fasciculatae, elongatae, robustiusculae, 
tortuosae, canescentes, simplices vel rarius paulo ramosae. PsEUDOBULBEI 
erecti, recti vel paulo obliqui, primum laeves, demum leviter plurisuleati, 
nitidi, laete virides, superne saepius satis attenuati, 6—9 cm. longi, 2°/: ad 
3'/1 cm. lati. Foura erecta, rigidiuscula, basi breviuscule subconduplicata, 
superne plana vel leviter concava, supra intense viridia, subtus paulo 
pallidiora, 35 —50 cm. longa, 1'/:—3 cm. lata; nervo mediano supra leviter 
canaliculato, subtus valde prominente; nervulis secundariis utrinque 4—7, 
in sicco utrinque levitér prominentibus praecipue subtus. PEDUNCULUS 
communis inferne strictus, superne leviter flexuosus, teretiusculus, laevis, 
