435 ORCHIDACEAE: ONCIDIUM. 436 
oblongo, basi subtruncato, apice profundiuscule emarginato, 
sinubus inter lobos angustissimis, crista basilari carnosula, 
laevi, leviter trilobata, antice minute unicallosa; columna 
brevissima, crassiuscula, glabra, alis antice erectis, magnis, 
tenuiter membranaceis, late acinaciformibus, apice acutis, 
margine integerrimis vel vix undulatis; anthera valde con- 
vexa, laevi, apice subrotundata, antice acuta. 
Oncidium pulchellum Hook.! in Bot. Mag. tab. 2773 
(1827); Lindl. Gen. and Spec. Orch. 206, în Bot. Regist. XXI. 
tab. 1787, Sert. Orch. sub tab. 48, in Pazt. Flow. Gard. I. 
sub tab. 33, Folia Orch., Oncid. 12; Lodd. Bot. Cab. tab. 1984; 
Drapiez, Encyclogr. Règn. Végét. I. Oncid. n. 2 cum ic. col., 
Nov. 1833 (Bot. Cab.) fig. 3, III. Sept. 1835 (Bot. Reg) 
fig. 3; A. Rich. in Sagra, Fl. Cub, Faner. II. 245; Beer, 
Prakt. Stud. Fam. Orch. 292; Duchartre, Man. Gen. des Pl. 
IV. 494; Reichb. f. in Walp. Ann. Bot. VI. 716, in Hamb. 
Gartenz. XVI. 419 (1860); Griseb. FI. Brit. W.-Ind. Isl. 631, 
Cat. PI. Cub. 266; Sauvalle, FI. Cub. 231; Du Buyss. L Orchid. 
429; Nichols. Dict. of Gard. II. 489; Stein, Orchideenb. 425; 
Veitch, Man. Orch. Pl. VIII. 71; Bois, Orch. 160; Williams, Orch. 
Grow. Man. edit. 7. p. 628; L. Lind. Orch. Exot. 902; Sander, 
Orch. Guide 189. 
Tolumnia pulchella Rafin. Fl. Tellur. II. 101 (1836). 
FoLia rigida, succulenta, erecta vel erecto-patula, valde concava 
fere conduplicata, supra intense viridia, subtus flavo-viridia, paulo supra 
basin articulata, 7—12 em. longa, 1—2 cm. lata. Pepuxcurus communis 
rectus vel satis flexuosus, laevis, intense viridis vel fuscescens, 20—35 cm. 
longus, 1'/—2 mm. crassus; VAGINAE arcte adpressae, submembranaceae, 
laeves, pallide virides vel purpurascentes, 5—8 mm. longae. PEDICELLI 
patentissimi, filiformes, satis arcuati, cum ovario 1'/2 cm. longi, BRACTEAE 
adpressae, valde concavae, pallidae, 3 mm. longae FLORES nutantes, albi 
et leviter dilute rosei. SgPALA 7—8 mm. longa, dorsale valde concavum, 
subtiliter trinervulosum, 3—3!/s mm. latum, lateralia in valvam 2—2'/2 mm. 
latam connata, PkTALA satis concava, leviter obliqua, subtiliter trinervulosa, . 
8—9 mm. longa, 4—5 mm. lata. LABELLUM paulo convexum, 16—18 mm. 
longum, basi totidem latum, lobis basilaribus patentissimis, 7—8 mm. 
longis latisque, lobo terminali subtiliter 5-nervuloso nervulis leviter ramosis, 
8—9 mm. longo, 17—18 mm. lato, callo flavescente. CoLumna subrecta, 
lateraliter leviter compressa, 2 mm, longa, alis intense roseis, 3 mm. longis. 
CAPSULA ignota, 
Habitat in Guiana anglica: Parker; in arboribus ad mont. Roraima : 
Schomburgk; in Jamaica: Mac Fadyen, Dr. Bankroft, D. Morris 
n. 2385; in Cuba: R. de la Sagra. In Brasilia septentrionali forsan 
adhuc invenienda. — Floret Novembri. 
120. ONCIDIUM UROPHYLLUM Lon». foliis pluri- 
bus, mediocribus, carnosulis, equitantibus, lineari-ensiformibus, 
acutissimis, margine integerrimis, dorso acute carinatis; pedun- 
eulo communi pendulo, gracili, teretiusculo vel paulo com- 
presso, foliis multo longiore, inferne simplici vaginis paucis 
brevissimis remotissimis acutisque vestito, superne paulo 
ramoso et laxiuscule multifloro; bracteis tenuiter membranaceis, 
anguste triangularibus, acutissimis, ovario multo brevioribus; 
floribus mediocribus, longe pedicellatis, segmentis patenti- 
reflexis, tenuiter membranaceis; sepalis subaequilongis, acutis- 
simis, dorsali lineari-subspathulato, inferne satis attenuato, 
lateralibus fere usque ad apicem in valvam lineari-ligulatam 
connatis; petalis obovato-oblongis, apice subabrupte acutis- 
simis, inferne longe attenuatis, margine leviter undulatis, 
sepalo dorsali subaequilongis; labello patenti-deflexo, sepalis 
lateralibus triplo longiore, utrinque glabro, sessili, ambitu 
obovato-rotundato, basi subrotundato, inferne profundiuscule 
trilobato, lobis basilaribus parvis, patenti-retrorsis anguste 
ligulatis, apice rotundatis, margine integerrimis, lobo terminali 
amplo, longiuscule lateque unguiculato, late reniformi, basi 
distincte cordato, apice profundiuscule emarginato, margine 
vix undulato, sinubus inter lobos latis, obtuse subrectangulis, 
disco basi erasse cristato, eristae tuberculis duobus uno ante 
alterum trilobis; columna brevissima, satis gracili, glabra, 
alis anticis, magnis, tenuiter membranaceis, obtuse dolabri- 
formibus, margine integerrimis vel vix undulatis; anthera 
valde convexa, laevi, apice subrotundata, antice acuta. 
Oncidium urophyllum Lodd. Cat. edit. 2. n. 1381 ex Lindl.! 
in Bot. Regist. XXVIII. tab. 54 (1842), in Gard. Chron. 
1842. p. 623, Serl. Orch. sub tab. 48, Folia Orch., Oncid. 12; 
Beer, Prakt. Stud. Fam. Orch. 294; Reichb. f. in Walp. Ann. 
Bot. VI. 717; Rolfe in Gard. Chron. ser. 8. IX. 701 (1891); 
Journ. des Orch. II. 133; Veitch, Man. Orch. PI. VIII. 87; 
Kew Bull, Add. Ser. IV. 303; Nichols. Dict. of Gard., 
Suppl. 566. 
Oncidium tetrapetalum (part) Griseb. Fl. Brit. W.- Ind. 
Is. 631 (1864, — non Willd.). 
Rapices numerosae, dense fasciculatae, elongatae, gracillimae, satis 
flexuosae, canescentes, simplices vel satis ramosae. FOLIA erecta vel erecto- 
patula, rigidiuscula, valde concava fere conduplicata, supra saturate viridia, 
subtus pallidiora, nitida, 10—16 cm, longa, 6—10 mm. lata. PEDUNCULUS 
communis satis flexuosus vel arcuatus, laevis, intense viridis, 4-6 dm. 
longus, 2—2!/; mm. crassus; VAGINAE arcte adpressae, tenuiter mem- 
branaceae, laeves, pallide virides, 5—8 mm. longae. PEDICELLI patentis- 
simi vel patenti-recurvi, filiformes, leviter flexuosi vel arcuati, cum ovario 
filiformi teretiusculo 1'/2—2 cm. longi.  BRACTEAE subadpressae, valde 
concavae, pallide virides, 3—4 mm. longae. Frores nutantes, lutei, sepalis 
petalisque inferne castaneo-fuscis. SEPALA leviter concava, tenuiter uni- 
nervulosa, circiter 5 mm. longa, 17/2 mm. lata. PETALA paulo concava, 
satis obliqua, subtiliter trinervulosa nervulis paulo ramosis, 5—5’/2 mm. 
longa, superne 3 mm. lata. LABELLUM subplanum, supra laete luteum, 
subtus satis pallidius, basi purpureo-fusco maculatum, 15—16 mm. longum, 
basi 12—13 mm. et ad medium 4—5 mm. latum, lobo terminali subtiliter 
5—7-nervuloso nervulis satis ramosis, 10—12 mm. longo, 17—20 mm. 
lato. Corumxa subrecta, lutea, 2—2'/2 mm. longa, alis 2'/ —3 mm. longis. 
CarPSULA ignota. 
Habitat in Brasilia loco accurato haud indicato: Loddiges. Etiam 
in insula Antigua: Wullschlaegel n. 578, Bradford. — Floret Martio. 
121. ONCIDIUM TENELLUM Fr. Gérard: foliis 
paucis, satis parvis, carnosulis, equitantibus, cultriformibus, 
subabrupte acutis, margine subtiliter serrulatis, dorso aeute 
carinatis; pedunculo communi ascendente, gracillimo, teretius- 
culo, simplici vel vix ramoso, foliis multo longiore, inferne 
vaginis paucis brevissimis remotissimis acutisque vestito, 
superne laxiuscule 3—10-floro; bracteis minutissimis, lanceo- 
lato-triangularibus, acutissimis; floribus satis parvis, longius- 
cule pedicellatis, segmentis patentissimis, tenuiter membrana- 
ceis; sepalis subaequilongis, obovato-lanceolatis, acutis, inferne 
longe cuneatis, lateralibus usque ad basin liberis; petalis 
obovato-suborbieularibus, apice rotundatis interdum retusis 
et minute apiculatis, basi breviter unguiculatis, margine leviter 
