240 R. Schlechter. 
dem Aquator ziemlich verbreitet zu sein. Die von KniXvzuw angegebenen Unterschiede 
zwischen. D. Stairsi und D. Wissmanni existieren teils nieht, teils sind sie von zu ge- 
ringer Bedeutung, wie bereits N. E, Brown angegeben, um beide Arten neben einander 
bestehen lassen zu kónnen. 
37. D. versicolor Reichb. f. 
Herba valida, erecta, glaberrima, 25—60 cm alta; foliis radicalibus 
2—1, erecto-patentibus lineari-lanceolatis acutis, ad 30 cm longis, medio 
1,5—5 cm latis, e gemma distincta ad basin caulis; caule stricto vaginis 
foliaceis erectis ovatis vel ovato-lanceolatis acutis inferioribus basi, superi- 
oribus alte et arcte amplectentibus, sensim in bracteas abeuntibus; spica 
dense multiflora cylindrica 40—25 cm longa, 2—3 cm diametro; bracteis 
erecto-patentibus subherbaceis lanceolatis acutis decrescentibus, flores su- 
perantibus vel rarius haud aequantibus; floribus inter minores in sectione, 
erecto-patentibus luride roseis, petalis sepalisque virescentibus, sepalis late- 
ralibus patulis oblique oblongis obtusis sub apice mucronulatis, 5,0— 0,7 cm 
longis, medio 0,2— 0,3 cm latis, sepalo postico galeato ore oblongo obtuso, 
sepalis lateralibus aequilongo, dorso infra medium in calcar arcuato- vel 
patenti-deflexum filiformi cylindricum obtusum ovario duplo brevius pro- 
ductum; petalis suberectis oblique oblongis obtusis, margine posteriore apice 
supra antheram inflexo supra medium in lobum auriculaeformem obtusum 
producto, 0,3—0,5 em longis; labello porrecto lineari acuto vel subacuto, 
0,4—0,5 em longo; anthera valde resupinata apice retusa, connectivo latius- 
culo loculis paulo breviore ; rostello adscendente, lobulis lateralibus stigmatiferis 
abbreviatis subtriangularibus, medio callo concavo erecto interloculari do- 
nato; ovario eylindrico, glaberrimo, 4—1,2 cm longo. 
D. versicolor Reichb. f., in Flora (1865) 181; N. E. Br., in Fl. Trop. 
Afr. VII. (1900) 283; Krzl., Orch. Gen. Spec. I. (1900) 754. 
D. Mac Owani Reichb. f., Ot. Bot. Hamb. (4881) 406: Krzl., Orch. 
Gen. Spec. I. (1900) 754. 
Habitat in Africa australi et tropica: in regione austro-orientali: 
in clivis graminosis montis Boschberg (Mac Owan, ScurLv, Mart.) in gra- 
minosis humidis prope Cathcart, alt. 2600 ped. (H. G. Franacan n. 1686, 
Jan. 1893), in montibus prope Baziya (Kaffrariae) alt. 2500 ped. (R. Baur 
n. 592, Jan.), in planitiei summi montis Insiswa, in terra Griqualand 
Orientalis, alt. e. 6500 ped. (R. Scargcuter, Jan. 1895), in udis graminosis 
ad pedem montis Eulenzi prope Fort William, in terra Pondoland, alt. 
c. 2500 ped. (W. Tyson n. 2697, Dec. 1885), in collibus prope Mooi-River 
(Nataliae) alt. 4000—5000 ped. (J. M. Woop n. 5361, Jan. 1894), in collibus 
graminosis prope Highlands (Nataliae), alt. c. 5000 ped. (R. SCHLECHTER 
n. 6849, Febr. 1895), in terra Orange-Free-State (Cooper n. 1095, 1863), 
in uliginosis, Umlomati Valley prope Barberton (Transvaaliae), alt. 3900 ped. 
(E. E. Garrix n. 1452, Jan. Febr. 4894), in paludibus prope Botsabelo (Trans- 
vaaliae), alt. c. 5000 ped. (R. ScurEcuTER n. 4060, Dec. 1893); in regione 
