=S. 
ascendens alliance 
columnaris 2 
8 = S. apiculata alliance despectans 11 
9=S. microchila alliance disticha | 
10= S. Porpax alliance elatior 4 
11 = S. despectans alliance Fendleri 6 
12=S. angustifolia alliance 
13 =S. triseta alliance 
14=S. brevilabris alliance 
15=S. aprica alliance 
16=S. gutturosa alliance 
17=S. oblonga alliance 
18 = S. pusilla alliance 
globiflora 21 
gutturosa 16 
microchila 9 
oblonga 17 
Porpax 10 
purpurascens 3 
purpurea 22a 
19 = S. scansor alliance pusilla 18 
20 = S. tenuicaulis alliance rhomboidea 5 
21=S. globiflora alliance scansor 19 
22a = S. purpurea group tenuicaulis 20 
22b = S. aviceps group triseta 13 
NEW TAXA 
Stelis aperta Garay, sp. nov. I. 
Epiphytica, caespitosa, usque ad 50 cm. alta; radicibus filiformi- 
bus, glabris; caulibus secundariis erectis, vaginis ternis, infundi- 
buliformibus, pro maxima parte obtectis, usque ad 13 cm. 
longis; folio coriaceo oblongo-ligulato, acuto, basin subpetio- 
lato-conduplicato, usque ad I] cm. longo, 1.5 cm. lato; inflore- 
scentia singula, erecta, satis dense multiflora, usque at 38 cm. 
longa; bracteis oblique ovato-cucullatis, acutis, usque ad 3 mm. 
longis; floribus apertis, ut videtur secundis, intus minutissime 
papillosis; sepalis lateralibus oblique ovatis, obtusis, 3-nervils, 
inter se liberis sed cum sepalo postico alte connatis, usque ad 5.5 
mm. longis, 5 mm. latis; sepalo postico ovato-triangulo, obtuso, 
usque ad 3+3 mm. longo, 4 mm. lato; petalis carnosis, 3-nerviis, 
transverse rhombeo-ellipticis, usque ad | mm. longis, 1.5 mm. 
latis; labello ovato-elliptico, leviter concavo, obtuso, disco basin 
et supra apicem calloso-incrassato donato, usque ad 1.5 mm. 
longo, 2 mm. lato; columna erecta, sursum paululo expansa, 
usque ad 2 mm alta; ovario pedicellato ca. 3mm. longo. 
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