236 R. Schlechter. 
33. D. Cooperi Reichb. f. 
Herba speciosa valida, erecta, glaberrima, 35— 60 cm alta; foliis radi- 
calibus suberectis vel erecto-patentibus lanceolato-linearibus acutis, paucis, 
e gemma distincta ad basin caulis, 20—40 cm longis, medio fere 2—4 cm 
latis; caule stricto, vaginis foliaceis erecto-patentibus vel erectis lanceolatis 
acutis vel acuminatis, basi plus minus alte connatis, laxe amplectentibus 
dense vestito; spica cylindrica, 10—25 em longa, 4,5—6 cm  diametiens; 
bracteis herbaceis vel submembranaceis lanceolatis. vel ovato-lanceolatis 
acutis, ovarium plus minus amplectentibus, inferioribus flores persaepe ex- 
cedentibus, superioribus sensim minoribus, floribus subaequilongis vel paulo 
brevioribus; floribus speciosis, niveis saepius ecarnescentibus labello olivaceo, 
in genere majoribus, erecto-patentibus; sepalis lateralibus oblique oblongis 
obtusis, sub apice mucronulatis, deflexis, 1,2—1,4 cm longis, medio 0,6 cm 
latis, sepalo postico suberecto galeato subinfundibulari, ore oblongo sub- 
acuto, sepalis lateralibus paulo breviore, supra medium in calear e basi 
conicum filiforme adscendens ad 3,5 cm longum producto; petalis suberectis, 
circuitus oblique oblongis apice inaequaliter bilobis, carnosiusculis, lobis ob- 
tusis erectis, anteriore minore, posteriore margine inflexo, 0,8—0,9 cm 
longis; labello deflexo rhomboideo, basi valde angusto, apice obtuso, car- 
nosiusculo, 4,2—-1,3 cm longo, medio c. 0,8 cm lato; anthera valde resu- 
pinata, connectivo loculis subaequilongo; rostello adscendente bifido, brachiis 
subparallelis glanduliferis, callo exiguo interloculari obtuso; ovario cylindrico 
1,3—1,5 cm longo. 
D. Cooperi Reichb. f., in Flora (4881) 328; Hook. f. in Bot. Mag. 
t. 7256; Gardn. Chron. (1892) II. 269; Krzl., Orch. Gen. Spee. I. (1900) 795. 
Var. 3. Seullyi (Bol) Schltr., differt a forma typica habitu multo 
graciliore, racemo paucifloro, labelloque angustiore, persaepe lanceolato- 
lineari. l 
D. Scullyi Bol., in Journ. Linn. Soc. Bot. XXII. (1887) 70; Krzl., Orch. 
Gen. Spec. I. (4900) 796. 
D..Thodei Krzl., Orch. Gen. Spec. I. (1900) 796. 
Habitat in Africa australi: in regione austro-orientali: in collibus 
graminosis prope Matatiele, in terra Griqualand Orientalis, alt. 5000 ped. 
(W. Tyson n. 1606, Jan. 1884), in collibus prope Mooi-River (Nataliae), alt. 
4000—5000 ped. (J. M. Woop n. 4493, Dec. 1890, n. 5359, Jan. 1894), 
in terra Orange-Free-State (Coorer n. 1098, 1862), in campis graminosis 
prope Bestersvley, in terra Orange-Free-State (H. Borus, H. G. FLANAGAN, 
Jan. 1894), in collibus graminosis prope Zaaihoek, in terra Orange-Free- 
State, alt. 5000 ped. (J. Tnopz, Jan. 1893), in graminosis prope Lydenburg 
(Transvaaliae) (Aruerston, Dec. 1870), in collibus graminosis ad marginem 
paludum prope Middelburg, alt. c. 4900 ped. (R. Scutgcater n. 4404, Dec. 
1893). 
