Bulbophyllum triste Rchb. f. 1861 SECTION Pleiophyllus J.J.Sm. 1914
Plant and Flower Photo by Oak and the Exotic Bulbophyllum Webpage
Plant not Photo Courtesy of Marius Wasbauer
To 
Common Name The Dark Bulbophyllum [refers the flower] - In China Qiu Jing Shi Dou Lan
Flower Size .2" [6 mm]
Found in south Yunnan province of China, the western Himalayas, India, Nepal, Sikkim, Myanamar and Thailand at elevations of 800 to 1800 meters as a miniature sized, hot to cool growing epiphyte with close set, globose pseudobulbs that are smooth when young and become rugose with age and carrying 2 apical, linear to ellitic, tapering at both ends leaves and blooms in the winter and summer on an erect then arching, 3" [7.5 cm] long, many flowered inflorescence with distant, lanceolate, acute sheaths and linear-lanceolate, acute floral bracts carrying fragrant flowers
The first 2 photos are absolutely correct the second two I am not sure but it seems correct.
Synonyms Bulbophyllum alopecurus Rchb.f. 1880; Bulbophyllum mackeeanum Guillaumin 1962; Bulbophyllum micranthum Hook.f. 1890; Phyllorkis alopecurus (Rchb.f.) Kuntze 1891; Phyllorchis tristis (Rchb.f.) Kuntze 1891
References W3 Tropicos, Kew Monocot list , IPNI ;
Refugium Botanicum Reichenbach 1872 drawing ok; Icones Plantarum Vol 21 Hooker 1890 as B micranthum drawing ok; The Orchids of Burma Grant 1895/95 as Bulbophyllum alpecurum; The Orchids of Burma Grant 1895/95; The Orchids of Burma Grant 1895/95 as Bulb micranthum; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 drawing fide; AOS Bulletin Vol 54 No 3 1985; Orchids of Kumaun Himalayas Pangtey, Samant and Rawat 1991; Orchids Of India II Biodiversity & Status of Bulbophyllum Thou Augustine & Kumar 2001; Bulbophyllums and Their Allies Seigerist 2001; Orchid Genera in Thailand Vol VIII Bulbophyllum Thou Seidenfaden 1992; A Field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo OK; Orchids of Bhutan Pearce & Cribb 2002; The Orchids of India A Glimpse Misra 2007 drawing fide; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2010 drawing fide; EARLY
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