135 
CAULIS carnosus, brevis, crassiusculus, superne densius 
inferne distanter vaginatus. FLORES mediocres, erecti, 
sessiles, breviter spicati. BRACTEAE oblongo-ligulatae, 
limbo ciliato serratae, basi sagittatae cruribus laceris vel 
pectinato-ciliatis. 
1. POGONIOPSIS NIDUS-AVIS Rezon. F. caule brevi, 
erassiusculo; vaginis ovato-oblongis, obtusis, basi paulo pro- 
ductis non vel vix laceris; spica brevi, densiuscula, pauciflora; 
bracteis late oblongo-spathulatis, apice obtusis et leviter un- 
dulatis, basi breviuscule laceris, floribus paulo brevioribus ; 
sepalo dorsali late oblongo-spathulato, apice subretuso, late- 
ralibus paulo brevioribus et multo angustioribus, linearibus, 
apice acutiusculis; petalis lineari-ligulatis, apice leviter emar- 
ginatis; labello sepalis lateralibus aequilongo, lobo intermedio 
late oblongo obtuso margine longiuscule lacero. 
Tabula nostra XXVII. Fig. III (habitus cum analysi). 
Pogoniopsis nidus-avis Reichb. f.! Otia Dot. Hamb. II. 
82 (1881); Warming, Symb. ad Fl. Bras. Centr. part. XXX. 
860. tab. IX. fig. 1. 
Herpa flavicanti-pallida, siccitate tota nigricans. CauLIS erectus, 
strictus, teres, glaber, 7—11 em. altus, 3—5 mm. crassus. VAGINAE squa- 
mosae, erecto-adpressae, utrinque glaberrimae, basi amplexicaules, obscure 
nervulosae, apice sordide fuscescentes vel nigricantes, siccitate tenuiter 
membranaceae, interdum margine denticulatae, 1—1*/2 cm. longae, 5—7 mm. 
latae. Spica circiter 2 cm. longa. BRACTEAE vaginis similes, satis con- 
cavae, erectae, 1—1!/» em. longae. FLORES erecti, pallidi vel fere flaves- 
centes, OvaniuM lineari-subclavatum, rectum, 7 — 8 mm. longum. SEPALA 
siccitate tenuiter membranacea, obscure nervulosa; dorsale satis concavum, 
leviter ineurvum, 12—14 mm. longum, 4—5 mm. latum; lateralia paulo 
asymmetrica, leviter concava, 11—12 mm, longa, 2—2*/2 mm. lata, PETALA 
erecta, conniventia, 10—12 mm. longa, 2 mm. lata. LABELLUM paulo 
recurvum, carnosulum, in linea mediana flavicans et pilosum, 12—13 mm. 
longum; lobi laterales leviter divergentes, subrecti, 3—4 mm. longi, vix 
ORCHIDACEAE : POGONIOPSIS—EPISTEPHIUM. 136 
1 mm. lati; lobus intermedius subplanus, 8 mm. longus, 3 mm. latus, 
CoLumna recta, 4 mm. longa. 
Habitat ad Lagoa Santa, in sylvis umbrosis solo pingui humidius- 
culo more Neottiae et Monotropae crescit, verosimiliter saprophytice vivens : 
Warming. — Floret Martio. 
2. POGONIOPSIS SCHENCKII Coen. caule longius- 
culo, satis gracili; vaginis obovato-oblongis, apice obtusis vel 
subrotundatis, basi satis productis et longe setaceo-pectinatis ; 
spica longiuscula, laxiuscula, submultiflora, floribus secundis; 
bracteis late obovato-oblongis, apice obtusis obscure trilobatis 
et longiuscule lacero-ciliatis, basi longissime setaceo-pectinatis, 
floribus satis brevioribus; sepalo dorsali oblongo-spathulato, 
apice obtuso et obscure trilobato, lateralibus subaequilongis, 
satis angustioribus, lineari-lanceolatis, acutis; petalis lineari- 
ligulatis, obtusiusculis; labello sepalis satis breviore, lobo 
intermedio lineari-ligulato acuto breviter lacero. 
Hersa siccitate nigricans. CavLis erectus, saepius leviter flexuosus, 
teretiusculus, glaber, pallide flavus, 1*/2—2*/2 dm. altus, 2—3 mm. crassus. 
VAGINAE squamosae, erectae, utrinque glaberrimae, inferne amplexicaules, 
obseure nervulosae, carnosulae , interdum obscure crenulatae, 1!/—2 cm. 
longae, 5—' mm. latae. Spica saepius leviter arcuata, 5— cm. longa. BRAC- 
TEAE vaginis similes, satis concavae, erectae vel erecto-patulae, 10—12 mm. 
longae. FLORES erecti vel erecto-patuli. Ovarıum lineari-subclavatum, rectum, 
7 mm. longum. SEPALA PETALAQUE flavo-aurea basi sanguinea, uninervia, 
siccitate membranacea; sepalum dorsale satis concavum, 11—12 mm. 
longum, 3 mm. latum; lateralia paulo concava, 10—11 mm. longa, 1![» ad 
2 mm. lata; petala 9—10 mm. longa, 2 mm. lata. LABELLUM erectum, 
paulo recurvum, carnosum, longitudinaliter conduplicatum, ad medium 
aurantiacum caeterum flavo-aureum, 8—9 mm. longum; lobi laterales vix 
divergentes, recti, 3 mm. longi, 1 mm. lati; lobus intermedius 5 mm. longus, 
lmm. latus, CoLumna leviter arcuata, 6 mm. longa, flava, apice in- 
tense rosea. 
Habitat im collibus siccis umbrosis argillosis prope Therezopolis 
prov. Rio de Janeiro: Schenck n. 2765 in herb. proprio et meo, J. de 
Moura in herb. Berol. et meo, Schwacke n. 5729 in herb. meo; in eadem 
prov. loco accuratius haud indicato: Glaziou m. 19882 in hb. Berol. — 
Floret. Januario— Februario. 
Subtribus III. VANILLEAE Prrrz. 
VANILLEAE Pfite. Natürl. Anord. Orchid. 47 et 98 (1887), et in Engl. und Prantl, Natürl. Pflanzenfam. II. 6. p. 77 et 107. — 
Ordo VANILLACEAE Lindl. Key to Bot. 73 et Nat. Syst. edit. II. p. 341 (1836). — Subtrib. V ANILLEAE (part.) Lindl. Gen. and 
Spec. Orchid. 429 (1840); Meissn. Gen. 384 (287); Benth. in Journ. Linn. Soc. Bot. XVIII. 288, 339, et im Benth. et Hook. 
Gen. Pl. III. 480. 
Sepala et petala libera. Labellum petalis difforme, columnam longiuseulam ampleetens vel ei adnatum.  Anthera in- 
cumbens vel fere erecta; pollinia laxe granulosa, demum saepe rostello insidentia sed glandulam non auferentia. Semina erustacea 
vel late alata. — Radices omnium fibrosae. Caulis elatus, saepe ramosus, erectus vel supra arbores altissime scandens , radices 
adventitias interdum emittens, plurifoliatus vel interdum squamatus. 
CONSPECTUS GENERUM BRASILIENSIUM. 
I. Caulis erectus. Ovarium urceolo calyciformi dentato coronatum. Semina compressa, late alata VII. EPISTEPHIUM KUNTH. 
IL. Caulis alte scandens. 
VIL EPISTEPHIUM KuxrH. 
Ertsreparum Kunth, Syn. Pl. Aequin. I. 340 (1822) et in 
Humb. et Bonpl. Nov. Gen. et Spec. VII. 158; Spreng. Syst. 
Ovarium apice non calyculatum. Semina globosa, non alata 
. VIH. VANILLA Juss. 
Veget. III. 716, Gen. II 663; Lindl. Orch. Scel. 11, Gen. 
and Spec. Orchid. 432; Blume, Rumphia, I. 196; Poepp. et 
Endl. Nov. Gen. et Spec. I. 52; Endlich. Gen. 220; Meissn. 
Gen. 384 (287); A. Rich. in Orbign. Dict. V. 368; Duchartre, 
