78 ^ Schlecht ei: Die Orchideenflora von Peru. 



fast spitze Fetalen und das am Grunde nicht herzförmige, sondern ziemlich 

 lang keilförmige Labellum unterschieden. 



Pleiirothallis trimeroglossa Schltr., nov. spec. 



Epii)hytica, erecta, 15 — 20 cm alta; rhizomate valde abbreviato; 

 radicibus filiformibus, flexuosis, glabris; caulibus valde approximatis, 

 erectis vel adscendentibus, rigidis, gracilibus, vaginis 3 arcte et alte am- 

 plectentibus omnino obtectis, teretibus, 2 — 2,5 mm diametientibus, 

 10 — 12 cm longis; folio erecto vel suberecto, oblongo-ligulato, obtuso, basi 

 sensim in petiolum c. 1,5 cm longum angustatis, coriaceis, glabris, lamina 

 8 — 10 cm longa, medio fere 1,5 — 2 cm lata; inflorescentiis paucis fascicu- 

 latis, unifloris, e spatha compressa c. 1,5 cm longa, brunnea; pedunculo 

 brevi, vix 7 mm excedente; bractea parvula, tenui, deltoidea; flore mediocri, 

 illo P. hivalvis Ldl. simili; sepalo intermedio erecto, oblongo-lanceolato, 

 obtusiusculo, concavo, glabro, 1 cm longo, lateralibus in laminam decvirvam, 

 ovato-oblongam, obtusam, concavam connatis, glabris, 1 cm longis; petalis 

 falcato-porrectis, anguste linearibus, obtusiusculis, basin versus paululo 

 dilatatis, 4,5 mm longis, glabris; labello quasi trimembranato, ungue 

 lineari, brevi, hypochilio oblongo, concavo, basi in lobulos 2 incurvulo 

 producto, epichilio quam hypochihum fere 3 — 4-plo longiore, angustius 

 cuneato, antice 3-furcato, lobis ligulatis, lateralibus intermedio duplo 

 majoribus, gibbo obtuso incurvulo dense barbellato in basi epichilii, labello 

 toto 6,5 mm longo; columna leviter curvata, gracili, apice ampliata, 

 clinandrio leviter lobulato, 5 mm alta, pede adscendente; ovario pedicel- 

 lato, glabro, gracili, c. 1 cm longo. 



Junin: Zwischen Panti und Rocchacs, 2500 m. — A. Weberbauer 

 no. 6541, März 1913. 



Eine überaus charakteristische Art, welche in P. hivalvis Ldl. aus 

 A^enezuela ihre einzige Verwandte hat. 



Scaphyglottis Aiitonii Schltr., nov. spec. 



Epiphytica, erecta vel horizontalis, 25 — 35 cm longa; rliizomate valde 

 abbreviato; radicibus filiformibus, flexuosis, glabris; caulibus vel pseudo- 

 bulbis cauliformibus superpositis, graciliter cylindraceis, demum longi- 

 tudinaliter sulcato-rugulosis, inferioribus usque ad 18 cm longis, 3 mm 

 diametientibus, superioribus 2 — 4-plo brevioribus et bene angustioribus ; 

 foliis erecto-patentibus, anguste linearibus, obtusiusculis, apicem versus 

 sensim paulo angustatis, 6 — 11 cm longis, medio vel infra medium 4 — 7 mm 

 latis, tenuiter coriaceis; inflorescentiis in apicibus pseudobulborum vel 

 caulium paucis aggregatis, more generis ^'alde abbreviatis, unifloris, pedun- 

 culo perbrevi, vaginis imbricantibus omnino obtecto; bractea tenuiore, 

 ovarium pedicellatum plus minusve amplectente ; flore in genere vix inter 

 mediocres, tenui, glabro ; sepalis oblongis, obtusiusculis supra medium paululo 

 dilatatis, c. 3,5 mm longis, lateralibus subfalcato-obliquis, basi ampliata 



