‘92 XCVIII, ACANTHACEE (CLARKE). [ Petalidium. 
_ 12. P. rupestre, S. Moore in Journ. Bot. 1880, 226, 228. Shrub 
2-3 ft. high; innovations moderately pubescent and glandular. Leaves 
1 in. long, roundish, ultimately nearly glabrous; petiole } in. long, 
Inflorescence in lax 3-10-flowered heads often near the base of the stem 
interspersed with short infertile branches carrying linear-oblong bracts 
4-3 in. long ; pedicels and base of bracteoles with long spreading white 
hairs; bracts 1} in. long, linear-oblong ; bracteoles 3—{ in. long, ovate- 
oblong, finally reticulate-nerved and glabrescent. Calyx nearly } in. 
long ; 2 anticous segments connate ? their length. Corolla white, some- 
times rose- or purple-striate; tube } in. long or more, funnel-shaped at 
the top; lobes 5 nearly equal. Filaments nearly glabrous; anthers 
with small tails. Style very thinly hairy; branches 2, equal. Capsule 
1 in. long.—Pseudobarleria rupestris, Lindau in Engl. & Prantl, 
Pflanzenfam. iv. 3B. 300. 
Lower Guinea. Angola: Mossamedes, Welwitsch, 5022! Chella Mountains, 
Johnston ! 
13. P. glutinosum, (’. B. Clarke. Shrub 3 ft. high (Engler); 
clothed with short white gland-tipped hairs and longer several-celled 
white hairs. Leaves 13 by 1} in., tip triangular apiculate; petiole up 
to Zin. long. Inflorescences laxly few-flowered in the upper part ° 
the stem, about 1 in. in diam. with a few short sterile branches inter- 
spersed; bracteoles 2 in. long, elliptic, subacute. Calyx } in. long, with 
simple suberect short hairs all over; two anticous segments connate 
} their length. Corolla dusky orange (Hngler); tube 4 in. long, funnel 
shaped upwards. Anthers mucronate at the base. Capsule } in. long.— 
Pseudobarleria glutinosa, Engl. in Engl. Jahrb. x. 259 ; Lindau in Engl. 
J ahrb. xviii. 63, t. 1, fig. 13, and in Engl. & Prantl, Pflanzenfam. iv. 3B. 
300. 
Lower Guinea. German South West Africa: Hereroland ; Usakos, 2800 ft 
Marloth, 1435! 
14. P. variabile, (. B. Clarke. Minutely puberulous and yellowish- 
green, or densely adpressed ashy-hairy all over. Leaves 1 by $-3™ 
obtuse; petiole 4 in. long. Spikes rather lax, 6-10-flowered, with few 
short sterile branches, hardly spinous; bracts } in. long, lanceolate, 
obtuse ; bracteoles 7 in. long. Sepals about as long as the bracteoles. 
Corolla-tube } in. long; anticous lobe of limb } in. broad, nearly twice 
as wide as the others.—Pseudobarleria variabilis, Engl. in Engl. J ahr. 
x, 259, var, included; Lindau in Engl. & Prantl, Pflanzenfam. 
3B. 300. 
Lower Guinea. German South West Africa: Hereroland; Usakos, 3000 fs 
Marloth, 1242! 12428! Luderitz ! 
15. P. canescens, (’. B. Clarke. Small undershrub; innovations 
densely strigose with minute simple white hairs. Leaves 2 by 1¢ ™ 
nearly round, ultimately glabrescent, tip minutely triangular; petiole 
up to 1 in. long. Inflorescence 2 in. in diam., compound, dense, m@2J- 
flowered, near the base of a branch, with barren short branches inte™ 
7 
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