499 



ORCHIDACEAE: PERTSTERIA. 



2. Sepala petalaque aequalia; labelli lobus medianus non galeatus. 

 a. Labelli hypochilium cavum. 



1'. Pollinia 4. 



a. Pollinarii stipes nulla; glandula transverse dilatata . . . 



p. Pollinarii stipes distincta; glandula parva. 



f Mentura nullum ; columna basi non producta , apice 



breviter alata 



ft Men turn distinctum; columna basi in pedem producta, 



apice utrinque latissime alata 



500 



LXXIII. PARADISANTHUS Reichb. f. 



LXXIV. AGANISIA Ltndl. 



2'. Pollinia 2; labellum varie incrassatum 



b) Labelli hypochilium solidum. 



1'. Columna brevis, crassa, recta; labelli lobi laterales unguem 

 marginantes, postice in processus corniformes retrorsum arcuatos 



LXXV. ACACALLIS Lindl. 

 LXXVI. STANHOPEA Frost. 



producti 



LXXV1I. HOULLETIA Brongn. 



2'. Columna elongata, tenuis, arcuata; labellum basi ecornutum. 

 a. Labellum basi auriculis latis membranaceis auctum, epichilio 



integr0 LXXVIII. POLYCYCNIS Reichb. f 



p. Labellum 



basi non auriculatum, anguste unguiculatum, 



epichilio trilobato 



LXXIX. KEGELIA Reichb. f. 



II. Anthera pendula; labellum superum . . . . LXXX. GONGORA Ruiz et Pav 



III. Anthera erecta, columnae dorso applicita LXXXI. CIRRHAEA Lindl. 



. 



LXIX. PERISTERIA Hook. 





Peristeria Hook, in Hot. Mag. tab. 3116 (1831); Lindl. Gen. 

 and Spec. Orch. 160, in Bot. RegisL XXIII. tab. 1953 (1837), 

 XXIX. Misc. p. 67; Endlich. Gen. 199 (Peristera); Meissn. 

 PL Vase. 375 (281); Beer, Prakt. Stud. Fam. Orch. 296; 

 Reichb. f. Xenia Orch. I. 110, in Walp. Ann. Bot. VI. 607; 

 Duchartre Man. Gen. PI. IV 501; Du Buyss. V Orchid. 433; 

 Benth. in Journ. Linn. Soc. Lond., Bot. XVIII. 322, in 

 Benth. et Hook. Gen. PI. III. 550; Hemsl. Biol. Centr.-Amer., 

 Bot. III. 259 ; Pfitz. in Engl, und Prantl, Natiirl. Pfianzen- 

 fam. II. 6. p. 164; Watson, Orch. 396; Stein, Orchideenb. 

 492; Veitch, Man. Orch. PI. IX. 127; Bois, Orch. 109; 

 Kerch. Livre des Orch. 267 ; Williams, Orch. Grow. Man. 

 edit. 7. p. 643; L. Und: Orch. Exot. 911; Cogn. in Journ. 

 des Orch. V. 385; Sander, Orch. Guide 197. — Eckartia 

 Reichb. Nomend. 53 (1841); Endlich. Gen., suppl. II. 17 



(Eckardia). 



Sepala subaequilonga, lata, crassiuscula, in globum 

 conniventia , later alia postico latiora et basi breviter 

 connata. Petala sepalis minora, caeterum subsimilia. 

 Labellum carnosum, cum pede columnae continuum, 

 basi patens, profunde trilobatum; lobi laterales lati, 



V 



erecti; medius articulatus, indivisus, basi incumbens, 

 margine et apice recurvis ; discus saepe callosus. 

 Columna erecta, subincurva, brevis, crassa, exalata, 

 antice biauriculata vel nuda, basi in pedem producta; 

 clinandrium obliquum, postice elevatum. Anthera 

 terminalis, opercularis, incumbens, imperfecte bilocu- 

 laris; pollinia bina, cerea, anguste oblonga, saepius 

 sulcata vel subdivisa.' inannendieiilata Anfhm A<^; a 



_ 



cente glandula oblonga cuneata vel lata affixa. Capsula 

 pendula, obovoideo-oblonga. 



Herbae epiphyticae , validae, Americae tropicae 

 praecipue Columbiae incolae, CAULIBUS brevissimis 

 vaginatis, mox in pseudobulbum carnosum apice uni- vel 

 pauci-foliatum incrassatis. Folia ampla, mine longis- 

 sirna, plicato-venosa , in petiolum contractu. Scapi ad 

 latera pseudobulborum erecti nutantes vel a basi deflexi, 

 simplices. Flore s speciosi, in racemo brevi vel elongato 

 breviter pedicellati. Bracteae parvae vel membrana- 

 ceae at ovario breviores. 



CONSPECTUS SPECIERUM BRASILIENSIUM. 



I. Columna apice auricnlis elongatis antice porrectis aucta 



1. P. pendula Hook. 

 II. Columna apice non vel minutissime auriculata. 



A. Labelli lobus terminalis margine integerrimus et planus. 



1. Sepala basi breviter connata; labelli lobi laterales 

 subrhombei vel late rotundati, terminalis late 

 oblongus ....... 2. P. aspersa Rolfe. 



2. Sepala usque ad basin libera; labelli lobi laterales 

 triauguli, terminalis oblongo-ligulatus 



3. P. selligkra Reichb. f. 



B. Labelli lobus termiualis margine denticulatus et saepius crispnlus. 



1. Labelli lobi basilares distincti, ovati, acuti, termi- 

 nalis apice emarginatus, disco laevi 



4. P. cerina Lindl. 



2. Labelli lobi basilares vix conspicui, terminalis apice 

 obtusus, disco intus minutissime tuberculato 



5. P. guttata Kuowles et Westc. 



1 



• ■ 



1. PERISTERIA PENDULA Hook, pseudobulbis 

 majusculis, oblongo-subconicis, satis compiessis , profundius- 

 cule plurisulcatis , apice 3— 4-phyllis; foliis amplis, late 



