161 
Orch. Alb. I. tab. 18, Orch. Grow. Man. edit. 7. p. 135 cum ic.; 
Nichols. Dict. of Gard. I. 225; Watson, Orch. 79. 
Burlingtonia Farmeri Hort. ex Williams, Orch. Grow. 
Man. edit. 6. p. 158 (1885), edit. 7. p. 136. 
RADICES satis numerosae, breves, crassiusculae, leviter flexuosae, 
simplices, canescentes. PsEUDOBULBI erecti vel erecto-patuli, aggregati, 
non vel vix obliqui, basi apiceque rotundati, nitidi, leviter plurisulcati, 
primum intense virides, demum sordide fuscescentes, 3'/2—5 cm. longi, 
21/.—3 cm. lati. Forza plus minusve patula, rigida, leviter convexa, 
supra nitida et saturate viridia, subtus satis pallidiora, 12— 15 cm. longa, 
3—41/2 cm. lata; nervo mediano supra profunde canaliculato, subtus valde 
prominente; nervulis lateralibus paulo distinctis. PEDUNCULUS communis 
satis flexuosus, teres, nitidus, pallide viridis interdum dilute fuscescens, 
10—12 em. longus, 2—3 mm. crassus; VAGINAE arcte adpressae, subtiliter 
multistriatae, pallide virides vel fuscescentes, 6—10 mm. longae. PEDICELLI 
erecto-patuli, satis graciles, subrecti, teretiusculi, albo-virides, cum ovario 
claviformi leviter arcuato obtuse trigono 2—2'/2 cm, longi. BRACTFAE 
adpressae, rigidiusculae, valde concavae, pallide virides vel fuscescentes, 
6—8 mm. longae. Fronrs penduli, odorati, segmentis albis, semipellucidis. 
SEPALA 2'/2—3 cm. longa, dorsale satis concavum, superne 12—15 mm, 
latum, lateralia valde concava, in valvam 6—8 mm. latam connata. PETALA 
tenuiter membranacea, erecta, apice leviter recurva, satis concava praecipue 
ad basin, leviter obliqua, 2'/2—3 cm. longa, circiter 1*/2 em. lata. LABELLUM 
erectum, apice leviter recurvum, inferne valde concavum, superne sub- 
planum, ad medium longitudinaliter pallide flavum, 4—4'/s cm. longum, 
superne circiter 2'/2 em. latum; calcar circiter 2 mm. longum. COLUMNA 
erecta, paulo recurva, claviformis, teretiuscula, 20—22 mm. longa, inferne 
1/> mm. crassa, alis 3 mm. longis. CapsuLa ignota. 
Habitat in arboribus ad San Caetano prov. Minas Gerais: Gardner 
n. 5201 (n. 5102 in herb. Lindl.). Etiam in Guiana anglica secus flum. 
Demerara : Bateman, Schomburgk, Jenman n. 607. — Floret Octobri. 
12. RODRIGUEZIA LEUCANTHA Bars. Rona. 
pseudobulbis remotissimis, oblongis, compressis, basi diphyllis, 
apice monophyllis; foliis oblongis, oblique emarginatis; pedun- 
culo communi elongato, rigido, apice paniculato; labello sub- 
panduriformi, apice profunde emarginato, margine undulato, 
disco 8-lamellato, lamellis undulatis, acutis, apice divergenti: 
bus, interioribus majoribus, exterioribus minutis; columna basi 
pubescente, apice antice bialata, alis elongatis, margine pubes- 
centibus, 
Rodriguezia leucantha Barb. Rodr. Gen. et Spec. Orch. 
Nov. II. 146 (1882). 
? Epidendrum candidum Vell. Fl. Flum. Ic. IX. tab. 19 
(1827), Text. edit. Nello în Arch. Museu Rio V. 360 (1881). 
RuizoMA robustum, erectum, durissimum, elongatum, teres. FLORES 
albi, labelli lamellis flavis, — Species mihi haud visa, imperfecte cognita. 
Habitat in arboribus ad mont. Jacarépaguá prov. Rio de Janeiro: 
Barbosa Rodrigues. — Floret Aprili—Maio. 
13. RODRIGUEZIA LUTEOLA N. E. Brown: pseudo- 
bulbis basi diphyllis, apice monophyllis; foliis mediocribus, 
coriaceis, anguste oblongo-ligulatis, apice obtusis et oblique 
leviterque emarginatis, basi paulo attenuatis; pedunculo com- 
muni gracillimo, foliis multo breviore, superne dense 7—9-floro; 
bracteis membranaceis, margine late scariosis, ovato-triangu- 
laribus, acutis, ventricosis, basi vaginantibus, ovario subaequi- 
longis; floribus parvis, brevissime pedicellatis, segmentis 
tenuiter membranaceis, erectis, conniventibus; sepalis sub- 
ORCHIDACEAE: 
RODRIGUEZIA. 162 
aequilongis, acutis, dorsali anguste obovato-cuneato, laterali- 
bus ligulatis, basi valde gibbosis, in valvam navicularem apice 
profundiuscule bifidam connatis; petalis obovato-cuneatis, acutis, 
subtiliter 7—9-nervulosis, sepalo dorsali subaequilongis; labello 
sepalis lateralibus vix longiore, longe unguiculato; unguiculo 
lato, non auriculato, limbo late oblongo-panduriformi, apice 
leviter emarginato et in sinu minute apiculato, margine 
crispulo, disco inferne bicalloso, calcari brevissimo, lineari- 
oblongo, obtuso, valde compresso, subrefracto; columna longius- 
cula, gracili, glabra, apice minutissime bidenticulata. 
Rodriguezia luteola N. E. Brown! in Gard. Chron. new 
ser. XIX. 688 (1883); L'Orchidoph. 1883. p. Kew Bull., 
Add. Ser. IV. 350. 
mom 
727; 
PSRUDOBULBI ... Fori rigidiuscula, basi subconduplicata, superne 
plana vel paulo concava, supra laete viridia, subtus paulo pallidiora, 8 ad 
12 cm. longa, 1'/—3 cm. lata; nervo mediano supra leviter canaliculato, 
subtus satis prominente; nervulis lateralibus satis numerosis, in sieco 
utrinque vix prominentibus. Pxpuxcu.vs communis plus minusve flexuosus, 
teretiusculus, 3'/:—b cm. longus, vix 1 mm. crassus. PEDICELLI erecto- 
patuli, filiformes, teretiusculi, sigmoideo-flexuosi, flavescentes, cum ovario 
5—8 mm. longi. BmacTkA& patulae, rigidiusculae, valde concavae, sub- 
tiliter multistriatae, pallide cinereae, 5—7 mm. longae. Frores patuli, 
laete lutei, labello obscariore. Serata ápice paulo recurva, 11—13 mm, 
longa, dorsale satis concavum, inferne longe attenuatum, subtiliter T-nervu- 
losum, 5 mm. latum, lateralia tenuiter 5-nervulosa, in valvam valde con- 
cavam 4 mm. latam connata, PrraLa paulo concava, satis obliqua, inferne 
valde attenuata, subtiliter 7—9-nervalosa, 11—12 mm. longa, superne 
6 mm. lata, LABELLUM valde concavum, apice vix recurvum, 13—14 mm. 
longum, 5—6 mm. latum, callis aurantiacis; calcar 1'Ah—2 mm. longum. 
CorcMwa erecta, vix sigmoideo-arcuata, claviformis, teretiuscula, 1—8 mm. 
longa, inferne 1 mm. crassa, Carsura ignota. 
Habitat in Guiana anglica: Jenman n. 604. In Brasilia septen- 
trionali forsan adhuc invenienda. — Floret Maio. 
14. RODRIGUEZIA BIFOLIA Bars. Rova. pseudo- 
bulbis majusculis, elliptico-ovoideis, satis compressis, basi 
primum squamis binis oppositis triangularibus acutis vel 
breviter acuminatis basi vaginantibus pseudobulbo circiter 
aequilongis vestitis, demum denudatis, apice diphyllis; foliis 
majusculis, coriaceis, oblongo-lanceolatis, acutis, basi paulo 
attenuatis; pedunculo communi basilari vel interdum termi- 
nali, erecto vel subnutante, gracili, foliis satis longiore, inferne 
vaginis paucis membranaceis longiusculis acutis vel breviter 
acuminatis remotisque vestito, superne satis ramoso et laxius- 
cule pluri—multifloro; bracteis minutis, ovato-triangularibus, 
acutis ; floribus majusculis, breviuscule pedicellatis; sepalis mem- 
branaceis, erectis, subaequilongis, dorsali ovato-oblongo, acuto, 
lateralibus in valvam late ovatam basi non gibbosam apice 
minute acuteque bidentatam connatis; petalis late ovatis, apice 
subtruncatis et minute apiculatis, sepalo dorsali paulo longi- 
oribus; labello membranaceo, sepalis lateralibus duplo longiore, 
utrinque glabro, longe unguiculato, unguiculo satis angusto, 
margine integerrimo, basi utrinque aariculato, auriculis satis 
parvis, semirotundatis, limbo abrupte dilatato, rotundo-sub- 
reniformi, apice profunde emarginato lobis incumbentibus, 
margine leviter undulato-subdenticulato, disco inferne 4-lamel- 
lato, lamellis brevibus, integerrimis, antice dilatatis, apice 
oblique truncatis acutisque, calcari brevissimo; columna brevi, 
