550 CLXIX. ORCHIDEJE. [Vandec 
marginata v. 2-alata; clinandrium breve, antice. swpius prominule 2-dentatum v. 
2-cornutum. Anthera terminalis, p laris, i bens, convexa v. subglobosa, 1-locu- 
laris; pollinia 2, cerea, anguste oblonga, apice attenuata, inappendicul ta, anthera 
dehiscente stipiti plano sepius oblongo affixa, glandula squamiformi. ^ Capsula ubi 
nota longe fusiformis.— Herbze epiphytice, caulibus brevissimis cc-vaginatis 1-foliatis 
mox in pseudobulbum carnosum incrassatis. Folium amplum, plicato-venosum, in petiolum 
contractum.  Scapi inter pseudobulbos deflexi v. penduli, vaginis spathaceis stipati, 
simplices. Flores magni, in racemo laxo pauci, pedicellati. Bractes membranace:e, 
ith ; nunc pedicellum nune ovarium ipsum involventes. 
Species ad 20, Americze tropice a. Brasilia usque ad Mexieum incole. Lind. Fol. Orch, 1952 E 
Srt. Orch. t. 1, 20; et in Paxt. Fl. Gard. i. 31,719 ad 21. Heichb, JF. Xen. Orch. i, 111; 612,82, 
124, 125, 164, 165, 205; in Walp. Ann. vi. 582; in Saund, Hef. Bot. t. 108; Otia Hamb. 9 3 6t dn 
Linnea xli. 109. Humb.et Bonpl. Pl. Zquin. t. 97 (Epidendrum). | Batem. Orch, Mez. et Guatem. t. 
7,15,27. Bot. Mag. l.c. et t. 8359, 4197, 4885, 5278, 0289, 5300. — Bot. Rteg. t. 1529, 1800, 1837 ; 
1838, 7. 5, 1839, ?. 1, 1843, t. 44, 1845, (. 24, 66. Lem. Fl. des Serres ii. £. 181, 713, 974. Lodd. 
Jlot. Cab. t. 1985. 
Genus naturalissimum quoad labellum polymorphum, in seetiones difüeillime dividitur. Lindley 
series 4 proposuit ad braetearum evolutionem, labellum cornutum v. ecornutum, lobo medio indiviso v. 
J-partito, eichenbach series 3 distinxit, ad labellum integrum (SrANHoPEASTRUM, Zeichb. J.dn 
Dot. Zeit. 1852, 927 ; Xen. Orch. t. 43), v. in membra 2 v. 3 separabile, Limites tamen inter series 
utriusque auctoris stepe obscuri sunt ; labelli forma de specie in speciem et interdum in varietatibus 
cjusdem speciei variat. 
Pollinarii stipes in speciebus perpaueis adhue descriptus est, Capsulam in uno solo specimine 
vidimus i; , nec in ulla i deli Anth iloeul vidimus qualem a Hookero 
aliisque delineatur; Lindley 2-locularem dixit, verisimiliter a. verbis Bonplandii seduetus, qui in Pl, 
ZEquin. 1. c. pollinia pro loculis descripsit. 
125. Houletia, 4. Brongn. in Anm. Sc. Nat. ser. 2, xv. 37.—Sepala subzequalia, 
libera, patentia. Petala sepalis similia v. basi angustiora. Labellum cum basi columns 
, patens, ang i ; lobi laterales unguem crassum seu hypochilium 
tes, postice in p corniformes retrorsum arcuatos producti, medius arti- 
culatus, indivisus, latiusculus, basi sepe t tus v. 9. icul Columna incurvo- 
erecta, crassiuscula, semiteres, exalata, apoda (v. basi in pedem brevissimum producta ); 
clinandrium truncatum.  Anthera terminali Ex laris, i bens, valde convexa, 
l-oeularis; pollinia 2, cerea, anguste oblonga, inappendicul ta, anthera dehi: b 
stipiti angusto v. lineari affixa, glandula indistincta. Capsula . . .—Herbze epiphytieze, 
caulibus brevissimis vaginatis 1-foliatis mox in pseudobulbum carnosum incrassatis. 
Folium amplum, plicato-venosum, in petiolum longi I tract Scapi inter 
pseudobulbos erecti v. recurvi, plices, paucivaginati. Flores j li, laxe racemosi, 
longiuscule pedicellati. —Bractece pedicello multo breviores. 
Species 5, Brasiliw et Colombiz incole.  ZeicAb. Jf. in Walp. Ann. vi. 615, et in Linnca xli. 111. 
Lindl. Sert. Orch. t. 43. Bot. Mag. t. 4072, 6305. 
126. Peristeria, Hook. Bot. Mag. t. 3116, 3479. (Eckardia, Reichb. ex Endl. Gen. 
PL. Suppl. ii. 17.)—Sepala subrquilonga, lata, iuseula, in globum conniventia, 
lateralia postico latiora et basi breviter connata. Petala sepalis minora, czeterum sub- 
similia. Labellum carnosum, cum basi column continuum, basi patens ; lobi laterales 
lati, erecti, medius continuus (v. articulatus )), inflexus v. incumbens, concavus, indivisus 
v. 3-partitus; discus sspe callosus. Columna erecta, subineurva, brevis, crassa, apoda, 
exalata, antice 2-auriculata v. nuda ; clinandri bliquum, postice elevat Antliéra 
terminalis, opercularis, i 1 ; imperfecte 2-locularis; pollinia 2, cerea, anguste 
oblonga, sepius sulcata v. subdivisa, inappendiculat ; anthera dehiscente stipiti (v. glan- 
dul?) oblongo cuneato v. lato afüixa. Capsula. . .—Herbis epiphyties, validz, 
caulibus brevissimis vaginatis mox in p bulb apice 1- v. pauci-foliatum 
