177 ORCHIDACEAE: 
ungue lineari exauriculato, carinis 2 semiovatis in basi, ante- 
positis denticulis geminis transversis. 
Jonopsis deliciosa Linden et Reichb. f. ex Reichb. f. in 
Bonpland. IV. 322 (1856). 
FoLia disticha, subcarnosa, ligulato-lancea, acuta, violaceo-limbata, 
juniora jam rugosa, foveolata, dorso subcarinata, adulta dorso plana. 
PANICULA oligoclada, tenuis, foliis longior. SEPALA lancea, lateralia semi- 
connata. PETALA submajora, oblonga, acuta, venis quinis violaceis. LABELLI 
unguis petalis aequalis, ante callos velutinus, lamina subquadrata, antice 
emarginata. — Ab Jonopside Gardneri recedit labelli ungue lineari laminae 
subaequali, auriculis rhombeis, callis triangulis transversis antepositis, 
limbo angusto, foliis carinatis pedunculo multo brevioribus. — Species 
mihi haud visa. 
Habitat in Brasilia loco accurato haud indicato: Hort. Linden. 
II. Folia teretiuscula, subulata. — Species 5—6. 
5. JONOPSIS BURCHELLII Retcus. F. foliis satis 
parvis, carnosis, subcylindraceis, subulatis, acutissimis, basi 
paulo attenuatis, supra leviter sulcatis; pedunculo communi 
gracillimo, foliis circiter aequilongo vel satis longiore, simplici 
vel superne vix ramoso, 3—6-floro, inferne paucivaginato; 
bracteis ligulatis, apiculatis, ovarium pedicellatum non attin- 
gentibus; floribus parvis, breviter pedicellatis; sepalis aequi- 
longis, oblongis, acutiusculis, lateralibus paulo angustioribus, 
inferne inter se breviter connatis, basi in saccum brevissimum 
simplicem rotundatum productis; petalis late oblongo-ligulatis, 
abrupte acutis, subtiliter 5-nervulosis, sepalo dorsali vix 
longioribus; labello utrinque glabro, sepalis lateralibus paulo 
longiore, sessili, anguste triangulari, inferne longe lateque 
cuneato ante basiu utrinque angulato, apice subtruncato et 
leviter vel obscure trilobato, lobis abrupte acutiusculis inter- 
medio minore, disco inferne oblique breviterque bicarinato; 
columna brevissima, crassiuscula, cylindracea, glabra. 
Jonopsis Burchellii Reichb. f.! in Linnaea XLI. 68 
(1877); E. S. Rand in Journ. des Orch. II. 158, IV. 97. 
Foua 5—7, rigida, recta vel satis arcuata, intense viridia et plus 
minusve dilute purpurea, 3—8 cm. longa, 2—4 mm. crassa. PEDUNCULUS 
communis nutans vel pendulus, 6—12 cm. longus. PEDICELLI capillares, 
patuli, recti vel leviter arcuati, cum ovario filiformi-clavato 5-6 mm. 
longi. FLORES rosei, segmentis erectis, pellucidis. SEPALA satis concava, 
basi vix constricta, tenuiter 3—5-nervulosa, 5—6 mm. longa, dorsale 
2 mm. latum, lateralia paulo obliqua, l'/ mm. lata. PETALA paulo con- 
cava, vix obliqua, basi non constricta, 5!/s —6!/ mm. longa, 2'/2 mm. lata. 
LABELLUM erectum, subplanum, subtiliter 5-nervulosum, nervulis lateralibus 
leviter ramosis, 7—8 mm. longum, apice 3'/—4 mm. latum. CoLUMNA 
11/2 mm. longa. CapsuLa ignota. 
Habitat in arboribus prov. Para: E. 8. Rand; prope urbem Pará: 
Burchell n. 9708. 
6. JONOPSIS TERES Lixpr. foliis longiusculis, car- 
nosis, teretibus, subulatis, apice acutissimis, inferne leviter 
attenuatis, supra profundiuscule et angustissime sulcatis ; 
pedunculo communi gracillimo, foliis saepius multo longiore, 
simplici vel paulo ramoso, inferne vaginis paucis submem- 
branaceis brevibus acutis vel acuminatis remotissimisque 
vestito, superne laxe pauci—plurifloro ; bracteis triangulari- 
JONOPSIS--SCELOCHILUS. 
178 
linearibus, acuminatis, ovario multo brevioribus; floribus 
parvis, breviter pedicellatis; sepalis subaequilongis, oblongo- 
lanceolatis, acutis, lateralibus inferne fere usque ad medium 
inter se connatis, basi in saccum brevissimum rotundatum 
didymum productis; petalis oblongo-ligulatis, obtusis, tenuiter 
trinervulosis, sepalo dorsali paulo longioribus; labello utrinque 
glabro, sepalis lateralibus paulo longiore, sessili, anguste 
obovato, inferne longe angusteque cuneato, margine lateraliter 
leviter undulato, apice obtuso undulato-crenulato fere trilo- 
bato, disco inferne longiuscule bilamellato, lamellis carnosis, 
obtusis, parallelis; columna brevi, claviformi, glabra. 
Jonopsis teres Lindl.! in Bot. Regist. XXIV. Misc. n. 181 
(1838), Folia Orch., Jonops. 2; Reichb. f. in Walp. Ann. Bot. 
VI. 684; Urban, Symb. Antill. IV. 181. 
Jonopsis pulchella Griseb.! Cat. Pl. Cub. 267 (1866); 
Sauvalle, Fl. Cub. 231 (non Kunth). 
RADICES numerosae, dense fasciculatae, elongatae, filiformes, tor- 
tuosae, satis ramosae, cinereo-albidae. Forra rigida, erecta vel erecto- 
patula, leviter arcuata vel rarius subrecta, intense viridia, 6—11 cm. longa, 
2—3 mm. crassa. PEDUNCULUS communis erectus vel ascendens, leviter 
flexuosus vel satis arcuatus, teretiusculus, laevis, pallide viridis, 10—25 cm. 
longus, !/—1 mm. crassus; VAGINAE arcte adpressae, 4—8 mm. longae. 
PEDICELIA erecti vel plus minusve patuli, capillares, satis flexuosi vel 
arcuati, cum ovario 6—10 mm. longi. BnacrEAE subadpressae, rigidius- 
culae, satis concavae, 2—3 mm. longae. FLorks patuli vel erecto-patuli, 
albi vel interdum flavescentes, segmentis ut videtur carnosulis, siccitate 
subpellucidis. Separa erecta, apice leviter recurva, satis concava, basi 
leviter constricta, tenuiter 5-nervulosa, 7 mm. longa, 2—2'/ mm. lata, 
lateralia paulo obliqua. PrtaLa erecta, leviter concava, basi paulo con- 
stricta, satis obliqua, 8 mm. longa, 21/a mm. lata. LapeLLum inferne 
erectum, superne plus minusve recurvum, satis concavum, tenuiter 5-nervu- 
losum nervulis superne leviter ramosis interdum purpurascentibus, 9 mm. 
longum, superne 4 mm. latum. CoLuwwa erecta, semiteres, inferne paulo 
attenuata, 2'/2 mm. longa. CarsurA patula vel nutans, obovoideo-oblonga, 
basi acuta, apice rotundata non vel vix rostrata, obtuse trigona, 16 ad 
20 mm, longa, 1—9 mm. crassa. 
Habitat in Surinam supra arbores ad Maagdeburg : Wullschlaegel 
n. 545; in Guiana anglica secus flum. Pomeroon: Schomburgk n. 1373; in 
Porto-Rico: Sintenis n. 4212 et 4718; in Sto.-Domingo prope Santiago: 
Eggers n. 1927b; in Cuba: Wright. In Brasilia septentrionali forsan 
adhuc invenienda. — Floret Aprili— Augusto. 
CIII. SCELOCHILUS KtLorzscH. 
SceLocni.us Klotzsch in Allgem. Gartenz. IX. 261 (1841); 
Link, Kl. et Otto, Ic. Pl. Rar. Hort. Berol. I. 77; Lindl. in 
Bot. Regist. XXXVIII. Misc. p. 24; Meissn. Pl. Vasc. 
Comm. 371; Endlich. Gen. PL, Suppl. III. 60; Reichb. f. in 
Walp. Ann. Bot. VI. 688; Benth. in Journ. Linn. Soc. Lond., 
Bot. XVIII. 326, in Benth. et Hook. Gen. Pl. III. 558; 
Nichols. Dict. of Gard. III. 379; Pfitz. in Engl. und Prantl, 
Natürl. Pflanzenfam. II. 6. p. 192; L'Orchidoph. 1892. p. 146; 
Kerch. Livre des Orch. 270. — COMPARETTIA (part.) Poepp. 
` et Endl. Nov. Gen. ac Spec. I. 42 (1835). 
SEPALA subaequilonga, erecta, conniventia, posti- 
eum concavum, lateralia alte connata, basi in saccum 
vel calcar breve sub labello producta. PETALA sepalo 
postico sublatiora. LABELLUM cum basi columnae con- 
tinuum, longe unguiculatum, erectum, basi in calcar 
