Oncidium. 163 



»Bolivia. Bei Apolo (R. S. Williams n. 86), blühend im Dezember.« 



Nota 4 (autoris speciei). >Species ad sectionem ,Plurituberculata i pertinet et forsan aptissime 



in affinitatem 0. reflexi Lindl. ponenda erit. Collector flores ,luteos maculis albis ornatos' 



esse dicit.« 



Nota 2 (autoris hujus libelli). Cum flores illis 0. flexuosi Lindl. similes et aequimagni sint, 



species illi adjungenda erit neque 0. reflexo. 



119. 0. bifolium Sims in Bot. Mag. (1812) t. 1491; Spreng. Syst. veg. III. 728; 

 Lodd. Bot. Cab. t. 1845; Lindl. Gen. et Sp. Orch. 197; Fol Orch. Oncid. 23; Mutel, Mem. 

 II. 18; Reichb. f. in Walp. Ann. VI. 736; Griseb. Symb. Fl. Argent. 337; Kränzl. in Engl. 

 Jahrb. IX. 315; Veiten, Man. Orch. PI. VIII. 1 4 c. ic. ; Williams, Orch. Grow. Man. 7. ed. 601 ; 

 Sander, Orch. Guide 174; Cogn. in Fl. Bras. III. 6. 334, t. 76, fig. 1. — 0. Batemanianwn 

 Griseb. Symb. Fl. Argent. (1 879) 337 (non Knowl. et Weste). — Coppensia bifolia Dumort. 

 in Mem. Acad. Brux. IX. (18 35) 10 in adnot. — Radices numerosae, dense intricatae. 

 Pseudobulbi magnitudine nucis Iuglandis nostrae, subglobosi, laete virides, diphylli. 

 Folia lineari-lanceolata, acuta, 8 ad 1 8 cm longa, 2 cm lata, basi plus minus angustata. 

 Inflorescentia folia bene excedens, circ. 25 cm longa, apice nutans, racemosa vel (rarius) 

 paniculata, 7- ad 1 2-flora, ramis infimis paueifloris, bracteae parvae, 3 ad 5 mm longae, 

 triangulae, pedicelli cum ovariis ad 1 cm longi. Sepala lateralia dimidium usque connata, 

 quam dorsale sublongiora, ipsa et petala obovato-spathulata, coneava, apice rotundata, 

 undulata, sepalum dorsale 6 ad 7 mm longum, ad 3,5 mm latum, lateralia 8 ad 9 mm 

 longa, 4 mm lata, petala 7 — 8 mm longa, ad 6 mm lata, lutea, purpureo-signata vel 

 vittata. Labellum simplex, lobis lateralibus omnino obsoletis, basi utrinque auriculatum, 

 auriculis brevibus, retrorsis, obtusis, lobus intermedius (s. labellum ipsum) transverse ob- 

 longum, antice profunde emarginatum, subbilobum, basi subcordatum, (lamina igitur sub- 

 bipartita), toto ambitu subquadrangulum, leviter undulatum, totum labellum aureum, 

 basi tantum purpureo-punetatum, ad 2 cm longum, ad basin lobi intermedii 2,5 cm 

 latum; crista labelli producta, tridentata, dente mediano longiore, additis tuberculis 

 quibusdam utrinque sine ordine. Gynostemii brevis alae brevi-euneatae, retusae, denti- 

 culatae, anthera minute cristata. — Fl. Novembri-Aprilem. 



Südbrasilianische Provinz. Uruguay, Montevideo(Tweedie, Gibert n. 794e.p.), 

 bei S. Jose (Arechavaleta n. 2616!), bei Concepcion de Uruguay (Lorentz n. 495!); 

 an verschiedenen Stellen in Argentina (Lorentz und Hieronymus n. 452!, 915!, 98l!); 

 an den Flüssen Paranä und Iribucua bei Corrientes (d' Orbigny n. 150), ebenfalls bei 

 Gorrientes (Niederlein n. 1293!). — Seit 1811 in Europa eingeführt. 



Nota I. Varietas *majus« ab hortulanis sie nominata in Williams, Orch. Grow. Manual 

 604 descripta nil est nisi forma luxurians et a typo nullomodo differt. — O. maculoso Lindl. 

 floribus haud dissimilis, differt tarnen habitu et pseudobulbis et inflorescentia vix semilonga. 



Nota 2. Memoratu dignum videtur, hanc speciem Genuae in horti botanici arboribus 

 epiphyticam coli, ubi quotannis florere dicitur. [Ex Orchid Review VI. 240.] 



120. 0. maculosum Lindl. in Bot. Reg. XXIII. (1837) sub t. 1930; Sert. Orch. sub 

 t. 4 8, Fol. Orch. Oncid. 24; Reichb. f. in Linnaea XXV. 2 48, in Walp. Ann. VI. 737; 

 Cogn. in Fl. Bras. III. 6. 319, t. 72, fig. 1. — Rhizoma crassum, repens, ramosum, multi- 

 articulatum, radieibus copiosis obsitum. Pseudobulbi satis distantes (ultra 8 cm), conico- 

 ovoidei, saepius basi et apice angustati, pluricostati, sicci valde rugosi, diphylli, ad 8 cm 

 longi, basi 4 cm crassi, paulum compressi. Folia infrabulbosa brevia et brevi-vaginantia, 

 oblonga, illa pseudobulborum e basi longe complicata lanceolata, acuta, coriacea, ad 

 20 cm longa, ad 3 cm lata. Scapus basi fere 1 cm crassus, ultra 90 cm longus, erectus, 

 strictus, vaginulis paucis, brevibus obsitus, viridis, fusco-maculatus, flores in paniculam 

 amplam laxamque dispositi, rami ascendentes, plus minus squarrosi, paueiflori, leviter 

 fractiflexi, bracteae triangulae, circ. 4 ad 6 mm .longae vel (rarius) longiores, pedicelli 

 cum ovariis 2,2 cm longi, totus scapus cum inflorescentia 45 ad 60 cm longus. Sepalum 

 dorsale oblongum, brevi-acutatum, 8 mm longum, sepala lateralia dimidium usque connata, 

 ad 1 1 mm longa, omnia 3 mm lata. Petala oblonga, 9 mm longa, 3,5 mm lata, omnia 

 lutea, maculis castaneis decora, margine subundulata, reflexa vel patentissima. Labellum 

 multo majus, profunde trilobum, lobi laterales ligulati, reflexi, rotundati, auriculiformes, 



11* 



