463 
Cymbidium stapelioides Link et Otto! Ic. Pl. Select. Hort. 
Berol. 111. tab. 52 (1828). 
Mazillaria stapelioides Lindl.! Gen. and Spec. Orch. 146 
(1832), in Bot. Regist. XXV. tab. 17 (1839); Lemaire, FI. 
des Serr. Anglet. Mars 1839 cum tab. col.; Hook. in Bot. Mag. 
tab. 3877; Duchartre, Man. Gén. des Pl. IV. 512. 
Zygopetalum stapelioides Reichb. f. in Walp. Ann. Bot. 
VI. 658 (1863), in Wawra, Reise Mazimil. nach Bras. 152; 
Nichols. Dict. of Gard. IV. 248; Rolfe in Gard. Chron. ser. 
3. IV. 94 (1888); Veitch, Man. Orch. Pl. IX. 62; Autran et 
Dur. Hort. Boiss. 315; Sander, Orch. Guide 254. 
RHIZOMA repens, longiusculum, tortuosum, fuscescens, crebre arti- 
culatum, vaginis brevibus oblongis acutisque vestitum, 1—1!/s mm. crassum; 
RADICIBUS numerosis, elongatis, gracilibus, leviter flexuosis, cinereis, simplici- 
bus vel interdum paulo ramosis, PSEUDOBUI.BI aggregati, erecti vel erecto- 
patuli, paulo obliqui, laete virides, nitidi, primum laeves, demum pro- 
fandiuscule paucisulcati, 1'/4—2 cm. longi, 8—14 mm. lati. FoLia erecta 
vel plus minusve patula, satis arcuata, basi breviuscule conduplicata, 
superne satis plicato-concava, interdam tota conduplicata, pallide glauco- 
viridia, 7—11 cm. longa, 7—25 mm. lata, nervo mediano supra tenuiter 
canaliculato, subtus leviter prominente, nervulis lateralibus numerosis, 
tenuissimis, in sicco utrinque vix prominentibus. PEDUNCULUS valde 
flexuosus, teretiusculus, laete viridis, 3—8 cm. longus, vix ] mm. crassus. 
PEDICELLI filiformes, satis arcuati, cum ovario lineari tenuissime 6-sulcato 
1—1!'/s em. longi. BmacrEAE tenuiter membranaceae, valde concavae, 
laete virides, 7—10 mm. longae. FLores nutantes vel penduli, sepalis 
petalisque extus virescentibus, intus viridi-albidis et maculis numerosis- 
simis minutis transversis subconfluentibus intense purpureo-fuscis vestitis. 
SePALA tenuiter 7-nervulosa, circiter 2 cm. longa et 1 cm. lata, dorso apice 
leviter carinata, dorsale satis concavum, lateralia subplana, satis obliqua. 
Perala subplana, satis obliqua, fere 2 cm. longa, superne 11—13 mm. lata. 
LABELLUM rigidiusculum, satis concavum, intense atropurpureum, maculis 
parvis numerosis transversis pallidioribus vel flavescentibus plus minusve 
notatum, 16—19 mm. longum, lobis lateralibus 6— mm. longis, 2-3 mm. 
latis, lobo terminali obscure multinervuloso, 10—12 mm. longa, 11—14 mm. 
lato. Corumxa albescens interdum leviter dilute viridis, antice ad basin 
atropurpurea, 12—14 mm. longa, basi in pedem 5—7 mm. longum pro- 
ducta. ANTHERA albescens, CAPsuLA plus minusve pendula, sepalis petalis- 
que persistentibus coronata, anguste elliptico -ovoidea, basi acutiuscula, 
latiuscule 6-alata, leviter obliqua, flavo-viridis, 1'/>—2 em. longa, 8 ad 
12 mm. crassa. 
Var. HETEROPTERA Reich. f. in Gard. Chron. new ser. 
XX. 70 (1883); L'Orchidoph. 1883. p. 695; Kew Bull., Add. 
Ser. IV. 337. 
Zygopetalum stapelioides var. heteropteron Nichols. Dict. 
of Gard., Suppl. 747 (1901). 
SEPALA tantum partim laete fusco-striata et punctata. 
Habitat in prov. Rio de Janeiro ad Petropolis: Wawra et Maly 
n. 407 ; ad Serra dos Orgáos: Gardner n. 651; in sylvis supra arbores ad 
Therezopolis: J. de Moura n. S6 et 304; in truncis arborum ad Serra 
d' Estrella: Riedel; im prov. S. Paulo ad Apiahy: Puiggary n. 3557; in 
Brasilia austro-orientali locis accuratis haud indicatis: ex Link, Glaziou 
n. 14316. — Var. 8. In Brasilia loco accurato haud indicato: Hort. Low. — 
Floret Decembri—A prili. 
2. PROMENAEA XANTHINA Linu. pseudobulbis 
parvis, ovoideis, satis compressis ancipitibusque, demum sub- 
acute tetragonis, basi primum vaginis paucis distichis majus- 
culis foliaceis vestitis demum denudatis, apice diphyllis vel 
rarius monophyllis; foliis satis parvis, tenuiter membranaceis, 
anguste lanceolatis, acutissimis, inferne longe attenuatis fere 
petiolatis; pedunculo gracili, ascendente vel rarius nutante, 
ORCHIDACEAE: 
| 
| 
PROMENAEA. 464 
foliis paulo breviore, inferne vaginis 2—4 membranaceis 
breviusculis ovato-lanceolatis breviter acuminatis vestito, apice 
unifloro vel interdum bifloro; bracteis late ovatis, acutissimis, 
cucullatis, ovario satis brevioribus; floribus majusculis, brevius- 
cule pedicellatis, segmentis satis patulis, membranaceis ; sepalis 
ovato-oblongis, acutissimis, dorso leviter carinatis, lateralibus 
paulo longioribus, horizontaliter patulis; petalis elliptico- 
ovatis, subabrupte acutis, basi leviter attenuatis, tenuiter 
7—9-nervulosis nervulis subsimplicibus, sepalo dorsali sub- 
aequilongis; labello basi erecto superne patenti-reflexo, sepalis 
lateralibus subaequilongo, sessili, ambitu late obovato-sub- 
orbieulari, basi late rotundato, inferne profunde trilobato, lobis 
margine integerrimis non vel vix undulatis, basilaribus erectis, 
longiusculis, oblongo-subfalcatis, obtusis, terminali amplo, late 
obovato-suborbiculari, apice subtruncato et saepius leviter 
retuso, basi leviter constricto, crista transversa, carnosa, 
longiuscula, utrinque angulatim insiliente, recta, ad medium 
latiuscule retrorsim carinata, antice tri—quinquedentata ; 
columna breviuscula, satis gracili, subclaviformi, triquetra, 
leviter incurva; anthera satis convexa, superne posticeque 
leviter sulcata, antice leviter emarginata. 
Tabula nostra XCV. Fig. II (habitus cum analysi). 
Promenaea xanthina Lindl.! in Bot. Regist. XXIX. Misc. 
p. 13 (1843); Reichb. f. in Bot. Zeit. X. 672 (1854), in Bon- 
pland. IV. 323 (1856); Cogn. in Dict. Ic. Orch., Promen. 
tab. 2; Rolfe in Orch. Rev. XIII. 261. 
Maxillaria xanthina Lindl.! in Bot. Regist. XXV. sub 
tab. 17 (1839). 
Mazillaria citrina Don, Hort. Cantabr. edit. 13. p. 602 
(1845); Lyons, Treat. on Orch. Pl. 176 (1845). 
Promenaea citrina Don, Hort. Cantabr. edit. 13. p. 720 
(1845); Williams, Orch. Alb. I. tab. 17, Orch. Grow. Man. 
edit. 7. p. 690. cum icon.; Watson, Orch. 431; Stein, Orchideenb. 
531; Journ. des Orch. VII. 183, 
Maxillaria guttata Hort., ex Reichb. f. in Bot. Zeit. X. 
672 (1852). 
Zygopetalum xanthinum Reichb. f. in Walp. Ann. Bot. 
VI. 659 (1863); Nichols. Dict. of Gard. IV. 248; Veitch, Man. 
Orch. Pl. IX. 63. cum icon.; Kerch. Livre des Orch. 560. 
fig. 274; L. Lind. Orch. Exot. 996; Journ. des Orch. V. 132; 
Sander, Reichenb. ser. 2. I. 25 tab. 11B, Orch. Guide 256; 
Gard. Mag. 1899. p. 608. cum icon. 
Zygopetalum citrinum Nichols. Dict. of Gard. IV. 245 
(1887); Rolfe in Gard. Chron. ser. IV. 94 (1888). 
RaizoMa repens, elongatum, tortuosum, fuscescens, paulo ramosum, 
crebre articulatum, vaginis brevibus ovato-triangularibus acutisque vestitum, 
11/2—2 mm. crassum; RADICIBUS numerosis, elongatis, subfiliformibus, satis 
flexuosis, cinereis, simplicibus vel paulo ramosis. PsEUDOBULBI aggregati 
vel paulo distantes, erecti vel patuli, vix obliqui, glauco-virides, nitidi, 
primum laeves, demum leviter paucisulcati, 2—92!/s em. longi, 1—1!/s cm. 
lati. Forma erecta vel erecto-patula, leviter arcuata vel subrecta, basi 
breviter conduplicata, superne satis plicato-concava, utrinque glauco-viridia, 
5—10 cm. longa, 1—1!/s em. lata, nervo mediano supra profundiuscule 
canaliculato, subtus satis prominente, nervulis lateralibus numerosis, tenuis- 
simis, supra vix impressis, subtus paulo prominentibus. PEDUNCULUS 
leviter flexuosus, teretiusculus, pallide viridis, 4—9 cm. longus, circiter 
1 mm. crassus; VAGINAE subadpressae, glauco-virides, 5—12 mm. longae. 
PEDICELLI subfiliformes, leviter arcuati, eum ovario lineari tenuiter 6-sulcato 
