165 
labello sepalis lateralibus duplo longiore, utrinque glaberrimo, 
longe unguiculato, unguiculo anguste cuneato margine inte- 
gerrimo non auriculato, limbo late obovato-obcordato, apice 
profunde emarginato non apiculato, margine integerrimo vix 
undulato, disco inferne longe 10-lamellato, lamellis gracilibus, 
rectis, exterioribus brevioribus, calcari brevissimo obtuso; 
columna breviuscula, satis gracili, subtiliter puberula, apice 
anticeque quadrialata, alis membranaceis, anterioribus brevius- 
culis, ascendentibus, anguste triangularibus, acutissimis, glabris, 
posterioribus triplo longioribus, erectis, lineari-ligulatis, ob- 
tusiusculis, subfalcatis, superne pilosulis; anthera convexa, 
glabra, apice obscure sulcata. 
Tabula nostra XXXIX. Fig. II (habitus cum analysi). 
Rodriguezia obtusifolia Reichb. f.! in Bot. Zeit. X. 771 
(1852), în Walp. Ann. Bot. VI. 693. 
Burlingtonia obtusifolia Lindl.! Sert. Orch. sub tab. 36 
(1840), in Paxt. Flow. Gard. I. 99; J. E. Planch. in FI. des 
Serres VII. 195 in adnot. 
Ruizoma scandens, elongatum, teres, laeve, viride, 2—3 mm. crassum, 
vaginis paucis remotissimis tenuiter membranaceis acutis pallidis 1—1?/2 em. 
longis vestitum; RADICIBUS numerosis, subfasciculatis, longissimis, fili- 
' formibus, satis flexuosis, leviter ramosis, albescentibus. PSEUDOBULBI inter 
se valde distantes, erecti vel erecto-patuli, vix obliqui, basi apiceque 
rotundati, nitidi, primum laeves, demum leviter pluricostati, 2—3 cm. 
longi, 1—2 cm. lati. FoLia rigida, patentissima, basi breviter subcon- 
duplicata, superne satis recurva plana vel plus minusve concava, supra 
intense viridia, subtus paulo pallidiora, 5—9 cm. longa, 1!/—3 cm. lata; 
nervo mediano supra profundiuscule canaliculato, subtus satis prominente; 
nervulis lateralibus numerosis, tenuissimis, in sicco utrinque vix promi- 
nentibus. PEDUNCULUS communis plus minusve arcuatus, teretiusculus, 
laevis, 25—40 cm. longus, 1'/s—2!/s mm. crassus; VAGINAE arcte adpressae, 
laeves, pallidae, 7—10 mm. longae. BRACTEAE adpressae, valde concavae, 
pallidae, 3—6 mm. longae. FLORES patentes vel nutantes, segmentis albis, 
ad medium flavescentibus. SEPALA valde concava, 17—18 mm. longa, 
dorsale subtiliter 7-nervulosum, inferne satis attenuatum, 5—6 mm. latum, 
lateralia in valvam 6—7 mm. latam connata. PETALA erecta, apice leviter 
recurva, satis obliqua, paulo concava, inferne valde attenuata, 20—21 mm. 
longa, 8—9 mm. lata. LABELLUM inferne valde concavum, superne satis 
recurvum leviter convexum vel subplanum, subtiliter plurinervulosum 
nervulis valde ramosis, circiter 3'/2 cm. longum et superne 2 cm. latum, 
lamellis luteis; calcar 1'/2—2 mm. longum. CoLumna erecta, recta, clavi- 
formis, teretiuscula, alba, 6—7 mm. longa, alis posterioribus 3 mm. longis. 
CapsuLa ignota. 
Habitat in prov. Rio de Janeiro: Riedel n. 97, Miers, Glaziou 
n. 17257; prope urbem Rio de Janeiro: Burchell n. 1864; in arboribus 
ad Serra dos Orgáos prope Magi: Gardner n. 664; in arboribus ad Suruhy: 
J. de Moura n. 311; in paludosis supra arbores ad Frexal: Guillemin n. 
998. — Floret Maio—Junio. 
17. RODRIGUEZIA DECORA Reiche. F. pseudo- 
bulbis satis parvis, ovoideis, valde compressis, basi bifoliatis 
vel plurisquamatis, apice monophyllis; foliis majusculis, coriaceo- 
carnosulis, lineari-oblongis, acutis, basi breviuscule attenuatis ; 
pedunculo communi nutante, gracili, foliis multo longiore, 
inferne vaginis pluribus breviusculis tenuiter membranaceis 
remotis acutisque vestito, superne laxiuscule 5—15-floro; 
bracteis membranaceis, ovato-triangularibus, acutis, pedicellis 
multo brevioribus; floribus majusculis, longiuscule pedicellatis, 
segmentis erectis, membranaceis ; sepalis acuminatis, dorsali lan- 
ceolato, lateralibus satis longioribus, angustioribus, in valvam 
Orchid. III 
ORCHIDACEAE: 
| 
RODRIGUEZIA. 166 
apice breviuscule bifidam basi breviuscule anguste obtuseque 
calearatam connatis; petalis elliptico- oblongis, apice oblique 
breviterque acuminatis, subtiliter 7-nervulosis, sepalo dorsali 
paulo longioribus; labello sepalis lateralibus subduplo longiore, 
longissime unguiculato, unguiculo angusto, superne paulo dila- 
tato et leviter puberulo, margine utrinque longe angusteque 
quadridentato et basi minute auriculato, auriculis late triangu- 
laribus, acutiusculis, limbo glaberrimo, abrupte dilatato, late 
rotundato-reniformi, apice profunde emarginato, margine inte- 
gerrimo leviter undulato, disco tenuiter 5-costato, calcari 
brevissimo, obtuso; columna brevi, gracili, leviter pubescente, 
apice anticeque quadricornuto, cornibus erectis, inferioribus 
brevioribus, triangulari-subulatis, glabris, superioribus triplo 
longioribus, membranaceis, lineari-ligulatis, apice oblique sub- 
truncatis, longiuscule sparseque pilosis praecipue ad apicem; 
anthera valde convexa, glabra. 
Rodriguezia decora Reich), f.! in Bot. Zeit. X. 771 (1852), 
in Walp. Ann. Bot. VI. 692; Pfite. in Engl. und Prantl, Natürl. 
Pflanzenfam. II. 6. p. 191. fig. 203.H; Stein, Orchideenb. 538; 
Veitch, Man. Orch. Pl. IX. 172; Cogn. in Journ. des Orch. 
II. 368, Dict. Ic. Orch., Rodrig. tab. 1; Kerch. Livre des 
Orch. 76. fig. 46. H ; L. Lind. Orch. Exot. 941; Nichols. Dict. 
of Gard., Suppl. 641. 
Burlingtonia decora Lemaire in Jard. Fleur. II. tab. 188 
(15. janv. 1852); J. E. Planch. in Fl. des Serres VII. 195. 
lab. 716; Lindl. in Paxt. Flow. Gard. III 99. fig. 278; Hook. 
in Bot. Mag. tab. 4834; Beer, Prakt. Stud. Fam. Orch. 202; 
Du Buyss. L'Orchid. 218; Watson, Orch. 79. cum tab.; 
Nichols. Dict. of Gard. I. 225. fig. 303; Williams, Orch. 
Grow. Man. edit. 7. p. 135; Sander, Orch. Guide 18. 
Burlingtonia amoena J. E. Planch. im Fl. des Serres 
VII. 195 (1852). 
Ruizoma scandens, elongatum, teres, nitidum, intense viride, remote 
articulatum, 2!/s—4 mm. crassum, vaginis remotiusculis tenuiter mem- 
branaceis acutis pallide fuscis 1'/:—2 cm. longis vestitum; RADICIBUS 
numerosis, subfasciculatis, longissimis, filiformibus, satis flexuosis vel tor- 
tuosis, leviter ramosis, canescentibus. PSEUDOBULSBI inter se 1—2 dm. 
distantes, erecti vel erecto-patuli, paulo obliqui, nitidi, intense virides, 
primum laeves, demum profundiuscule plurisuleati, 2—3 cm. longi, 1'/s ad 
2 cm. lati. FoLia rigidiuscula, plus minusve patula, basi conduplicata, 
superne satis recurva et paulo concava, supra nitidula et saturate viridia, 
subtus satis pallidiora, 8—15 cm. longa, 1—2 cm. lata; nervo mediano 
supra profundiuscule canaliculato, subtus satis prominente; nervulis late- 
ralibus numerosis, paulo distinctis, PEDUNCULUS communis satis flexuosus 
vel arcuatus, teres, laevis, laete viridis et saepius dilute purpureus, 20 ad 
35 cm. longus, 1—1'/2 mm. crassus; VAGINAE arcte adpressae, subtiliter 
multistriatae, albo-cinereae, 7—10 mm. longae. Pepice.t1 patuli, fili- 
formes, leviter flexuosi, albidi, cum ovario filiformi-clavato obtuse trigono 
tenuiter 6-sulcato albo-viridi 1'/2—2'/2 em. longi. BRACTEAE adpressae, 
valde concavae, pallidae, 4—6 mm. longae. FLores nutantes vel penduli, 
segmentis albis et interdum leviter dilute roseis, fusco-rubro maculatis. 
Seara subtiliter 5—7-nervulosa, apice paulo recurva, dorsale satis con- 
cavum, inferne longiuscule attenuatum, 12 mm. longum, 4 mm. latum, late- 
ralia in valvam valde concavam 15 mm. longam et 5 mm. latam connata, 
calcari 3 mm. longo. PETALA leviter concava, apice satis recurva, basi 
valde constricta, satis obliqua, 14 mm. longa, 5—6 mm. lata. LABELLUM 
inferne satis concavum, superne subplanum, crassiuscule 5-nervulosum 
nervulis satis ramosis, album unguiculo minute rubro-fusco maculato, 
95—28 mm. longum, superne 11—14 mm. latum, calcari 1—1'/ mm. 
longo. COLUMNA erecta, claviformis, teretiuscula, alba * leviter rubro: 
maculata, 5 mm. longa, alis majoribus intense purpureis, 6 mm. longis, 
1 mm. latis. CaPsuLA ignota. 
22 
