Prof. Lindley on new Orchidaceous Plants. 385 



blongis obtusissimis dimidio brevioribus, labello nano oblongo 

 emarginato utrinque intra marginem bicalloso, columna minima. 



Popayan (Hartweg). 



Like P. macrophylla and its allies ; but it must be placed in the 



artificial arrangement among the species with " elongated spikes." 



49. Stelis parvilabris ; csespitosa, caulibus tetragonis, folio coriaceo 

 petiolato acuto tridentato racemis subgeminis longiore, bracteis 

 cucullatis ovatis perfoliatis acutis floribus brevioribus, calyce tri- 

 angular! bilabiato : labio altero ovato acuto altero angustiore et 

 breviore emarginato, petalis subrotundis membranaceis, labello 

 minimo carinato rotundato tuberculo crenato in medio. 



Popayan (Hartweg). 



50. DiENiA crispata ; caule diphyllo, foliis ovato- oblongis obtusis 

 pedunculo brevioribus, spica densa cylindracea, sepalis oblongis 

 obtusis, petalis linearibus, labello ovato indiviso, capsulse angulis 

 crispato-laceris. 



Mexico (Hartweg). 



Stem and spike, taken together, about a foot high. 



51. Altensteinia virescens ; foliis radicalibus obovato- oblongis, va- 

 ginis caulis 2 — 3 inflatis herbaceis, spica densa cylindracea, brac- 

 teis concavis glabris, rachi sepalisque pubescentibus, petalis linea- 

 ribus obtusis ciliatis, labello oblongo concavo denticulato basi 

 pubescente, columnse facie villosa. 



Quito (Hartweg). 



Flowers greenish yellow. In habit like A.fimhriata, 



52. PoNTHiEVA rostrata ; foliis oblongis acutis planis scapoque basi 

 glabris, inflorescentia tomentosa, petalis levissime ciliatis, labello 

 cochleato unguiculato in apicem rostratum producto. 



Quito and Bogota (Hartweg). 



Of this there are two varieties ; viz. a, spicata with the flowers 

 nearly sessile, and /3. racemosa with the flowers distinctly stalked. 

 The former is from Quito, the latter from shady places near Bogota. 



53. PoNTHiEVA maculata ; glanduloso-villosissima, foliis ovalibus 

 utrinque acutis, racemo laxo multifloro, bracteis ovatis acuminatis 

 pedicellis sequalibus, sepalis lateralibus maculatis dorsali latioribus, 

 labello oblongo canaliculato indiviso basi tuberculis duobus pro- 

 currentibus munito. 



Bogota (Hartweg). 



Flowering scape as much as a foot and a half high. 



54. Cranichis gibbosa ; foliis radicalibus oblongo-lanceolatis petiolis 

 alatis longioribus, scapo basi folio uno alterove vaginisque qui- 

 busdam distantibus apice patulis acutis aucto, spica secunda laxa 

 elongata, floribus glabriusculis, labello ovato cucuUato basi saccato, 

 petalis calvis. 



Quito (Hartweg). 



