72 



* 



nata, sepalo inferiore oblongo emarginato superiore ovato obtuso multa 

 minore, petalis linearibus, labello subrotundo membranaceo concavo re- 

 tuso cum ungue producto columnse articulate Peru. 



24. P. truncata (Hook. ic. t. 55.); folio ovato-lanccolato acuminata racemis 

 geminis sequali, caule pluries longiore, sepalis lateralibus in unum ova- 

 turn connatis superiore cucullato dupld minoribus, petalis lineari-oblon- 

 gis, labello truncato involuto. Peru. Flowers orange-colour. 



25. P. diffusa (Poppig & Endl. Gen. & Sp. t. 86.); caule anguloso folium 

 ovato-oblongum acutum erectum excedente, racemis compluribus longis- * 

 simis diffusis, spatha compressa acuminata brevi, floribus secundis, sepa- 

 lis lat6 ovatis inferioribus ad qpicem connatis, labello unguiculato emar- 

 ginato cucullato. Peru. 



26. P. longicaulis ; folio coriaceo anguste oblongo obtuso caule apice alato 



basi tereti quadruplo breviore, spicis numerosis multifloris cernuis folio 



longioribus, sepalis acutis lateralibus apice liberis basi parum productis, 



petalis lanceolatis sepalis duplo brevioribus, labello bilamellato oblongo 



acuto basi angustato acut6 trilobo. Brazil. A remarkable species 



with very long stems, found by Mr. Miers. The flowers appear to be 



yellowish. It is much like PI. rubens, but differs in the form of the 

 petals and lip. 



27. P. plumosa ; folio coriaceo ovali basi haud angustato spica paulo breviore, 

 floribus pubescentibus, sepalo dorsali lineari sub apice intus convexo 

 lateralibus connatis obtusis, petalis nanis argute inciso-serratis, labello 

 concavo rhombeo-ovato serrulato levit&r papilloso, clinandrio seiTato. 



-Trinidad. (Loddiges no. 13.) Flowers green, with a little purple 



dotting on the inside. The petals have such long delicate fringes as to 

 look like small feathers. 



28. P. spiralis (L.no. 10. Stelis connata, Presl. Reliq. Hcenk. 1. 103.); caule 

 tereti lax6 vaginato folio oblongo sequali, racemo erecto spirali folio lon- 

 giore, bracteis acuminatis, sepalis ovatis obtusiusculis : lateralibus in 

 unum cymbiforme connatis, petalis columna labelloque truncatis nanis. 



Peru. This very curious species, like P. hians, has the habit 



and petals of Stelis. 



29. P. tricarinata (Poppig and Endl. Gen. and Sp. t. 87.); caule compresso 

 folium lineare oblongum obtusatum adsequante, spica solitaria peduncu- 

 lata folium superante, floribus distichis resupinatis, sepalis ultra basin 

 connatis lineari-lanceolatis lateralibus ad apicem concretis margine revo- 

 lutis tricarinatis, labello unguiculato oblongo. Peru. 



ft Trisepalae 



rotundat 



anum 



bracteis membranaceis cucullatis, sepalis acuminatissimis Unearibus intus 

 pubescentibus omnibus fere liberis, petalis nanis obtusis dorso carinatis 



labelloque oblongo conduplicato glabris. Brazil. A pretty species 



with long slender cream-coloured flowers. 



?.sclerophylla (Lindl. in Bot. Reg. sub 1. 1797.); folio oblongo petiolato 



obtuso carnoso racemis multo breviore, bracteis ovatis cucullatis, sepalis 



mm 



glanduloso. -Brazil. 



ovalibus 



vagims stnatis vestito, iolns 

 igustatis, spicis solitariis se- 



