66 ORCHIDE (Rolfe). | Polystaehya. 
as long as or longer than the leaves ; racemes simple or very rarely 
Teshahed, few- ‘to several- flowered ; bracts spreading, incrooo 
aristate, about half as long as the pedicels ; flowers medium-sized ; ; 
sepals green; dorsal triangular-lanceolate, very acute, about } in. 
long ; lateral obliquely falcate e-ovate, acuminate, } in. long, much 
broader than the dorsal; petals white, linear at the ak dilated 
road ; e umn — in. pgott foot over twine as “long 5 “capsule 
KataHari REGION: Transvaal ; Moodies, near rotaines 4500 ft., Culver, 56, 
and Houtbosch Berg, 6500 ft., in primeval ‘forest, Schlechter 
Only known to me from the description. 
P. ottoniana (Reichb. f. in Hamb. Gartenz. 1855, ire?) ; 
nes stout and woody ; pseudobulbs approximate, ovoid, }—3 in. 
long, covered with imbricate sheaths, 2—3-leaved at the apex ; leaves 
lijear or linear-oblong, subobtuse, coriaceous, 1J-6 in. long i 
r 
broad ; 
gupta reduced to a single flower; —— triangular-ovate, 
minate, ,—} in. long; pedicels slender, 4-} in. long; flowers 
thee large, white, with ; a ’ deep yellow line ma aa front ike of the 
lip ; eh eevags: Linpdemicea! triangular-ovate or triangular-oblong, 
subobtuse, 4—} in. ; petals oblong, obtuse, sometimes about as 
long as is tie lip lobed, much shorter than the petals ; front 
lobe broadly oblong , obtuse, revolute ; side lobes small and obtuse ; 
dise pubescent, with a thi ckened central keel; column very short 
vi. 638 ; eg in Jolken, Linn. Soe. xxv. 186, and in Ic. Orch. 
Austr. Afr. i li. ¢: 32; Durand & Pipe — abe Afr. v. ~ 
Caneeigy in “Engl fon ae xx. Beibl. . Ca 
capensis, Sond, ex 
fag Hn. 51, #179. Ang tae S8p., Lindl. in Hook. 
Cem. Bot. Mag g. li. 205. 
Coast Reeron: Knysna Div.; Knysna Forest, Barkly! Albany Div. ; Black 
4 Hill and near Blue Kra ntz, Atherstone, 19 ! betw tween Grahamstown and the 
vege cOwan, 1526! Ecklon and Zeyher! Pym, and without Lge rapes 
Hutton! Miss Bowker! British Kaffraria ; Rivi Forest, Kirk! and w ar 
ity, Cooper, 203. nee a Div. ; near Komgha, Flanag ane Baste 
olony, Mrs. Bar 
AHARI REGION: Transvaal ; Foutbooch Berg, 5000-6000 ft., Schlechter ; near 
Bar bales hp cotien sd ft., Galpin, 671; near Haenertsburg, Burtt. Davy, 3026, and 
without p y; cone 
Eames Reuwe : Transkei ; between Gekau ioe > He — Bashee River, 
Drége! 8270! Fort Bowker, aden n Bashee Ri 00! Bazeia, 2000— 
3500 ft., Bawr, 238! 740! near ‘cade Miss Peyler a. Pei near De ; 
Sanderson, 560! rocks at Drove Kraal, McKen in Herb b. Sanderson, 560! 896 
Sanderson in Herb. Wood, 1041! Enon, Mrs. ” Sane nders in Herb, Bolus, Keke | 
Swaziland ; in kloof at Embabaan, Bu rtt-Davy, 2877 ! 
