6a. 
7a. 
Inflorescence with conspicuously developed bracts; lip with 
prominent V-shaped callus from base to middle 
ee ee ee ee ee ee 6. A. montana alliance 
Inflorescence with inconspicuous bracts; lip without V- 
shaped callus, basal half fleshy, thickened, callus-like . 7 
Inflorescences commonly more than one, rarely exceed sub- 
tending leaf, usually much shorter; lip ovate-oblong to sub- 
quadrate in outline ........... 7. A. hylophila alliance 
Inflorescence always one, commonly much longer than sub- 
tending leaf, rarely subequal to it; lip from a trapezoid base 
PHOMIBOM: « césax5e dake VN ORE OES 8. A. rubens alliance 
The Arabic number which appears after each nomenclatorial 
transfer designates its position among the alliances in the genus. 
Apatostelis alata (Lindl.) Garay, comb. nov. —7. 
Basionym: Stelis alata Lindl., Folia Orch. Stelis 18, 1858. 
Syn.: Stelis tenuilabris Lindl., Folia Orch. Stelis 4, 1858. 
Stelis canaliculata Rchb.f. in Gard. Chron. 1718, 1872. 
Stelis myriantha Schltr. in Fedde, Rep. Beih. 7:90, 
1920. 
Apatostelis atrorubens (L.O.Wms.) Garay, comb. nov. —3. 
Basionym: Stelis atrorubens L.O.Wms. in Ann. Mo. Bot. 
Gard. 29: 239, 1942. 
Apatostelis braccata (Rchb.f. & Warsc.) Garay, comb. nov. —7. 
Basionym: Srelis braccata Rchb.f.& Warsc. in Bonpl. 2: 114, 
1854. 
Apatostelis chamaestelis (Rchb.f.) Garay, comb. nov. —3. 
Basionym: Pleurothallis chamaestelis Rchb.f. in Linnaea 22: 
825,1850. 
Syn.: Stelis florea Lindl., Folia Orch. Stelis 5, 1858. 
Stelis chamaestelis (Rchb.f.) Garay & Dunsterv., 
Venez. Orch. Ill. 4:292, 1966. 
Stelis Umbriae Schltr. in Fedde, Rep. Beih. 27:40, 
1924, 
Stelis Lasallei Foldats in Act. Bot. Venez. 3:406, 1968. 
187 
