II. Beschreibungen: neuer Arten. HfJ 



untergebracht wird, aber auch dort mit keiner wirkHch näher verwandt 

 ist. In der ganzen Tracht erinnert die Pflanze an die Gattung Stelis. 



PleiirothaUis Trianaei Schltr., nov. spec 



Epiphytica, erecta, vaHda, usque ad 55 cm alta; rhizomate valde 

 abbreviato; radicibus foliformibus, flexuosis, glabris; cauhbus erectis, 

 teretibus, basin versus paulo ampliatis, basi vaginis pluribus magnis, supra 

 medium vagina mediocri obsessis, 25- — 40 cm longis, medio fere ad 4 mm 

 diametientibus ; foho erecto, obiongo vel Hgulato-oblongo, obtuso, basi 

 in petioium ad 2 cm iongum, canaliculatum abruptius ängustato, lamina 

 12 — 14 cm longa^ medio fere 3,3 — -4,5 cm lata, coriacea; racemis 6 — ^12-ms, 

 erectis, gracilis, plus minusve flexuosis, foiium subaequantibus vel j)aululo 

 super antibus, nunc brevioribus, usque supra basin floriferis, subdense 

 multifloris, spatha^compressa 2 — ^3 ein longa basi circumdatis; bracteis 

 ovali-cucuUatis, apiculatis, ovario pedicellato fere aequilongis; floribus 

 parvulis, glabris, illis P. velatipes Kchb. f. simiHbus; sepalo intermedio 

 ovato-lanceolato, acuto, 3-nervio, concavo, 6 mm longo, nervo medio 

 extus carinato-incrassato, lateralibus oblique lanceolatis, acutis, nervo 

 medio extus carinato-in<3rassatis, usque ad medium connatis, 6 mm longis; 

 petalis oblique linearibus, obtusiusculis, 4 mm longis; labello late cuneato, 

 supra medium trilobo, 3-nervio, supra basin plica semilunata transversa 

 donata, 2 mm longa, inter apices loborum lateralium 1,5 mm lata, lobis 

 lateralibus oblique triangulis, obtusis, antice truncatis, intermedio carnoso, 

 suborbiculari, obtuse apiculato, bene majore, supra basin incrassatione 

 semilunata obscura donato; columna brevi, c. 1,5 mm alta, clinandrio 

 eldto, subcticullato ; ovario pedicellato giabro, c. 4 mm longo. 



^,Nova Granada." — • Triana no. 569. 



Eine Art aus der Verwandtschaft der P. velatipes Rchb. f., aber 

 mit linnahschen, 1 -nervigen Fetalen und anders gestalteter Lippe, 



Barbosella dolichorhiza Schltr., nov. spec 



Epiphytica, gracilis, c. 10 — 12 cm alta; rhizomate pro genere abbre- 

 viato; radicibus filiformibus, eiongatis, flexuosis, glabris; caulibus approxi- 

 matis, abbreviatis, cylindraceis, Usque äd 7 mm longis, vaginis amplectenti- 

 bus pallidis omnino obtectis, unifoliatis; folio erecto, lineari-ligulato, ob- 

 tusiusculo, basi sensim in petiolurn crassiusctilum, canaliculatum angugtato, 

 coriaceo, petiolo incluso 4,5 — 6,5 cm longo, medio fere 5 — ^7 mm lato; 

 scapis singulis, erectis, gracilhmis, unifloris, usque ad 11 cm longis; bractea 

 cuculiato-ovata, acuminata, ovario pedicellato fere aequilonga; flore in 

 genere inter mediocres, giabro; sepalis e basi lanceolata lineari-elongatis, 

 obtusiusculis, 3-nerviis, 2,? cm longis, lateralibus obliquis, usque ad apicem 

 arcte cohai?rentibus ; petalis e basi lanceolata subulato-^angustatis, obliquis, 



