CLXIX. ORCHIDEZE. 481 
227. CnawrcHrs. Sepala libera. Labellum erectum, concavum, fornieatum v. subsaecatum, 
€olumnam amplectens, indivisum. Columna anthera et rostello brevior. Folia ad basin caulis 
subradicalia. Flores parvi, seepe minimi.— Andes Amer. trop., Ind. occid. 
228. PnEscorria. Sepala basi in cyathum v. tubum connata. Labelli lamina erecta, 
concava cueullata v. fere clausa. COlinandrium postice in fillamentum produetum. Folia ad 
basin caulis conferta v. radicalia. Flores parvi, in spica densa v, tenui numerosi.— Aer. frop. 
229. PowTHrEvA. Sepala libera v. lateralia connata. Petala ab apice columns patentia. 
Labelli unguis columns adnatus, lamina dilatata, patens. Folia ad basin caulis subradicalia, 
ovata v. lanceolata, Racemus laxus, sspe glanduloso-pubescens. Flores mediocres.— 4er. 
trop. et subtrop. 
230. WurrscHLAGELIA. Sepala lateralia basi in mentum breve v. elongatum calcariforme 
connata, Labellum basi intra sepala saccatum v. cal Seapus t aphyllus, 
floribus minimis.— 7nd. occid., Bras. 
231. PskvDocExTRUM. Sepala TOES basi in mentum longissimum caleariforme connata. 
Labellum longe lineare, ab apice column: intra sepal calear d Caules foliati, 
spien floribunda.— Andes Amer. austr. et centr., Jamaica. 
tt Columna elongata. | Clinandrium membranaceum, elevatum. 
232. Gowrnicmi. Sepala libera, a basi patentia. Folia secus caulem lanceolata v. elongata. 
Spica densa v. rarius interrupta.— Andes Amer. austr. 
233, SrENoPTERA. Sepala basi in tubum tenuem connata. Folia ad basin caulis subradicalia. 
Spica densa v. tenuis.—.4mer. trop. sxont., Ind. occid. 
** Labellum inferum, sepe pendulum. 
234. Nzorrr. Sepala et petala libera, demum patentia. Labellum sepalis longius, apice 
2-lobum. Columna longiuscula. Caulis aphyllus, vaginis concoloribus.— Eur., Asia bor. et mont. 
235. LisrERA. Sepala. et petala libera, patentia. lLabellum sepalis longius, integrum v. 
2-lobum. Columna E Caulis subopposite 2-foliatus.— Eur., 4si temp. et mont., 
"Amer. bor. 
236. SermawTHES, Sepalum postieum eum petalis pisidn. lateralia ovario oblique affixa v. 
longe decurrentia. Columna basi in ovario sepius decurrens nec in pedem liberum producta. 
Caules foliati v. florentes aphylli. Spica densa v. laxa, haud raro secunda v. spiralis.— 
Utriusque orbis reg. temp. et trop. 
237. BaskzmvipLA. Sepala lateralia alte connata, basi mentum latum formantia. Petala 
angusta, basi contraeta. Labelli unguis 2-nuriculatus, lamina basi late saceata.: Columna 
brevissima, rostello magno erasso carnoso, stigmate in vertice exeavato. Folia ad basin caulis 
pauca, Spica densiuscula, floribus parvis.—Peruvia. : 
238. PzrExrA. Sepala lateralia basi in appendicem calcariformem longe linearem connata. 
Labellum lineare, basi in laminam linearem intra calear sepalorum productum. Rostellum 
longe subulato-aeuminatum. Folia ad basin caulis conferta, subradicalia.— 4er. trop. 
$ 2. Genera pro mazime parte gerontogea tropica, polline (an semper?) sectili, | Sepalum posticum 
sepius cum petalis in galeam connivens v. coherens. 
* Labellum basi in saccum seu calcar inter sepala lateralia prominens productum. 
239. dv ap Labellum supra calcar eavum, patens, abrupte contractum, lamina integra 
v. 2-loba. - parum Folia ovata v. lanceolata, membranacea,— 4sia et 
Amer. pes 
240. Awarrocnur;us, Labelli ungius supra calcar longus, patens, fimbriatus, lamina 2-loba. 
Clinandrium eyathiforme. Folia ad basin caulis conferta, ovata, sepe picta.— Znd. or., Archip. 
Mala; 
241. VnvpAGZENIA. Labellum sessile, lamina supra calear seu saceum parva v. 2-loba; 
calli 2, longe stipitati, a basi columnz intra calear — Caules foliati, foliis mem- 
branaceis.— Archip. Malay., ins. maris Pacific. 
242. Cvsroncuis. Labellüm sessile, basi ad latera calearis oltusi v. sacei sepius 2-vesicu- 
losum, lamina lanceolata, indivisa, Folia ad basin caulis conferta, ovata, discoloria v. picta.— 
Archip. Malay. 
112 
