375 ORCHIDACEAE: 
44. STELIS PENDULIFLORA Bars. Ropr. caespitosa ; 
caulibus secundariis satis gracilibus, uniarticulatis, teretius- 
culis, foliis paulo longioribus, vaginis duabus mediocribus 
tubulosis acutisque tectis; foliis satis parvis, elliptico-oblongis, 
apice rotundatis et leviter emarginatis, basi abrupte attenuatis 
et breviter petiolatis; racemis solitariis, fere usque ad basin 
multifloris, basi spatha longiuscula inclusis, foliis satis longi- 
oribus; floribus parvis, secundis; sepalis patulis, intus tenuis- 
sime pubescentibus praecipue ad apicem, liberis, late ovatis, 
obtusis, dorsali multo majore, lateralibus satis obliquis; petalis 
minutis, late obtuseque triangularibus, apice rotundatis, basi 
vix unguiculatis; labello carnoso, petalis longiore, late ligu- 
lato, cucullato, apice rotundato, inferne transverse calloso et 
ad medium sulcato; columna brevi, clinandrii marginibus 
postice acutis, lateraliter unidentatis. 
Tabula nostra LXXXI. Fig. V (habitus cum analysi). 
Stelis penduliflora Barb. Rodr. Gen. et Spec. Orchid. 
Nov. II. 91 (1882). 
CavLES secundarii ascendentes, subrecti, 7 em. longi, 1*/2 mm. 
erassi. Fonta erecta, coriacea, subplana, distincte uninervia, 5 em. longa, 
fere 2 em. Jata, nervo mediano supra leviter canaliculato, subtus satis 
prominente; petiolus satis gracilis, lateraliter compressus, supra profunde 
canaliculatus, 6—7 mm. longus. PepuncuLus communis ascendens, basi 
arenatus caeterum rectus, filiformis, 10—12 cm. longus; spatha basilaris 
arete adpressa, membranacea, lineari-lanceolata, acuminata, lateraliter 
compressa, dorso carinata, 1'/a em. longa, FLores penduli, albo-vires- 
centes, SgrALA membranacea, leviter convexa; dorsale 2'/2 mm. longum, 
fere 2 mm, latum; lateralia 1° mm. longa, 1'/2 mm. lata. PETALA 
erecto-patula, carnosa, satis convexa, '/s mm, longa, ?/s mm. lata, La- 
BELLUM patulum, valde concavum, ?/s mm. longum, */a mm, latum. COLUMNA 
erecta, crassa, superne satis dilatata, !/ mm. longa. — Species mihi haud 
visa; descript. ex op. supra cit. et ex icon, a cl. Bars. RODR. communic. 
Habitat in sylvis ad Serra Jaguatirica prov. Parana: Barbosa 
Rodrigues. — Floret Martio. 
XXIX. SCAPHOSEPALUM Prrrz, 
ScapnosepaLum Pfitz. in Engl. und Prantl, Natürl. Pflanzen- 
fam. II. 6. p. 139 (1888); Rolfe in Journ. of Bot. 1890. 
p. 135; Hook. f. in Bot. Mag. sub tab. 7151; Cogn. in Journ. 
des Orchid. II. 206; Stein, Orchideenb. 546; Kerch. Livr. des 
Orchid. 263. — MASDEVALLIAE sect. IV. Veitch, Man. Orchid. 
PI. part. V. 19 (1889) — Masdevalliae spec. mult. Auct. 
Separa erecta vel erecto-patula, saepius angusta, 
1n acumen vel caudam produeta, dorsale inferum liberum 
vel fere liberum, lateralia supera alte connata navicu- 
laria saepius paulo longiora. PETALA sepalis multo 
breviora, saepius angusta. LABELLUM superum, minutum, 
polymorphum, cum pede columnae articulatum. COLUMNA 
satis incurva, gracilis, superne dilatata marginata vel 
— basi in pedem brevem producta; clinandrium 
obliquum, concavum, cum alis columnae continuum, 
margine varie dentatum. ANTHERA terminalis, opercu- 
laris; incumbens, cucullata, unilocularis; POLLINIA 2, 
cerea, anguste ovoidea, compressa, inappendiculata, libera 
STELIS—SCAPHOSEPA LUM. - | 376 
vel apice visco parco cohaerentia. CAPSULA anguste 
obovoidea, erostris, leviter costata. 
HERBAE epiphyticae, caespitosae vel rhizomate re- 
pente, non pseudobulbosae, Americae tropicae a Guiana 
usque ad Costa-Ricam incolae. CAULES unifoliati, infra 
folium brevissimi vel vic ulli, vaginis 1—2 scariosis 
FOLIUM coriaceum, inferne in petiolum longum 
PEDUNCULUS scapum 
inclusi. 
basi non vaginantem contractum. 
simulans, basi cum petiolo in vagina scariosa inclusus, 
ipse paucivaginatus, laxe pluri-multiflorus. - FLORES 
parvi vel mediocres, varie picti. 
1. SCAPHOSEPALUM BREVE Rorre: foliis satis 
parvis, oblongo-subspathulatis, apice obtusis, inferne longe 
attenuatis et breviuscule petiolatis; racemis fere usque ad 
medium multifloris, foliis duplo longioribus; bracteis vagi- 
nantibus, fere usque ad apicem tubulosis, apice truncatis et 
abrupte crassiuscule longeque apiculatis, pedicellis paulo 
brevioribus; floribus parvis, distichis; sepalis membranaceis, 
glaberrimis, dorsali libero, ovato-lanceolato, apice attenuato 
et longe crasseque caudato, valde concavo, dorso carinato, 
lateralibus late ligulatis, usque ad apicem connatis, apice 
truncatis et extus cauda elongata filiformi reflexa terminatis, 
disco intus superne bicristato; petalis parvis, valde asym- 
metricis, oblique semiovatis, obtusis, breviter lateque ungui- 
culatis; labello petalis subaequilongo, superne constricto et 
margine leviter fimbriato, apice truncato, disco infra medium 
transverse oblique cristato; columna petalis paulo longiore, 
inferne gracillima, apice latiuscule alata. 
Scaphosepalum breve Rolfe! in Journ. of Bot. 1890. p. 136. 
. Masdevallia brevis Reichb. f. in Gard. Chron. nov. ser. 
XX. 588 (1883); Godefr.-Leb. L'Orchidoph. 1883. p. 815; 
Nichols. Dict. of Garden. II. 332; Ridl. in Trans. Linn. Soc. 
* Lond. ser. 2. Bot. II. 281. 
Forza erecta, rigidiuscula, subplana, uninervia et longitudinaliter: 
multinervulosa, 5—6 cm. longa, 13—15 mm. lata; petiolus satis gracilis, 
1'—2 em. longus. PepuxcuLus communis ascendens, satis flexnosus, 
subfiliformis, teres, densiuseule minuteque verruculosus, scaber, intense 
viridis vel interdum dilute purpureus, inferne vaginis 1—2 tenuiter mem- 
branaceis 2—3 mm. longis vestitus, superne fractiflexus, 10—13 cm. longus; 
pedicelli ereeto-patnli, stricti, subfiliformes, 3-4 mm. longi. BRACTEAE 
membranaceae, pallide virides, dorso subcarinatae, 3 mm. longae. OvARIUM 
lineari-clavatum, leviter sulcatum, paulo arcuatum, 2 mm, longum. SEPALA 
paulo divergentia, distincte trinervia, inferne purpurascentia, superne 
pallida; dorsale 3 mm. longum, inferne 2!/» mm. latum, in cauda teretius- 
cula satis flexuosa 31/2 mm. longa terminatum; lateralia satis incurva, in 
valva lateraliter valde compressa dorso carinata 7 mm. longa, 5 mm, lata 
connata; caudae pallidae leviter flexuosae, leviter divergentes, 7 mm. 
I rit ter: tenüiter membranacea subpellucida, subplana, 
; » basi dilute purpurea, 2'/2—3 mm. longa, 1/2 mm. Tata. 
Taste tenuiter membranaceum, leviter sigmoideo-flexuosum, tenuiter 
trinervium, albescens nervis purpurascentibus, 3 mm. longum, 1'/ mm. 
latum. CoLumxa valde incurva, purpurascens, 3![»—4 mm. longa. 
Habitat in Guiana anglica ad mont. Roraima: E. F. im Thurn 
n 286; ex Demerara import. cl. Veitch. In Brasilia boreali forsan ad- 
huc invenienda. 
