116 XOVIII. ACANTHACEE (CLARKE). [ Crossandra. 
lax, with many long white silky hairs. Bracts 4 by 4-} in., elliptic, 
with a long innocuous point, silky white-hairy; bracteoles 4 in. long, 
linear. Calyx } in. long, of 5 distinct sepals, all silky white-hairy at 
the tips; posticous 2-nerved, shortly 2-toothed. Corolla 3 in. long; 
lips rather large. Stamens and pollen of the genus; filaments glabrous. 
Pistil glabrous. — Engl. Hochgebirgsfl. Trop. Afr. 391; Lindau in 
Eng!. & Prantl, Pflanzenfam. iv. 3 B. 319, and in Engl. Pf. Ost-Afr. 
C, 3870. 
Wile Land. British East Africa: Leikipia, 6000 ft., Hohnel, 75! 
9. CG. mucronata, Lindaw in Engl. Jahrb. xx. 35. Very sparingly 
pubescent. Branches up to 10 in. long. Leaves up to 4 by 1} m, 
tapering at both ends; petiole 0-3? in. long. Peduncles up to 2% in. 
long; spikes 1-4} by 3? in.; bract 2 in. long, elliptic, entire, thinly 
hairy towards the margin, tip triangular and sometimes mucronate; 
bracteoles $ in. long, linear. Posticous calyx-segment 4-4 in. long, 
ovate, acute, 2-nerved, tip 2-toothed. Corolla as of C. nilotica, but 
rather smaller. Anthers hairy; pollen oblong, square-headed, 3-ribbed. 
Style nearly glabrous.—Lindau in Engl. Pfl. Ost-Afr. C. 370; Rendle m 
Journ. Bot. 1896, 398. 
Wile Land. Somaliland: Sheik Husein, Donaldson Smith. British East 
Africa: east side of Lake Albert Edward, Scott-Elliot, 8091! Lake Victoria 
Nyanza, at Berkeley Bay, Scott-Elliot, 7105! 
Mozamb. Dist. German East Africa: Usambara; Nyika country, Holst, 571! 
10. ©. subacaulis, ©. 2. Clarke. Stem hardly any. Leaves 
crowded, basal, up to 6 by 2 in., narrowly obovate, obtuse ; petiole 
hardly any. Peduncles 0-5 in. long; spikes up to 4 in. long, usually 
much looser than in C. nilotica ; bracts with 5-9 prominent subparallel 
nerves, almost plicate; otherwise as C. nilotica.—C. nilotica, vat. 
acuminata, S. Moore ex Oliv. in Trans. Linn. Soc. ser. 2, Bot. ii. 345; 
Lindau in Engl. Pfi. Ost-Afr. 370 partly. 
Nile Land. British East Africa: Jur, Schweinfurth, 1720! Bongo, Schwein- 
Surth, 1447! 2213! Moru; village of Wary Mary, Petherick ! Upper Nile, Freeman 
& Lucas, 76! Ukamba, Scott-Elliot, 6464! Hildebrandt, 2716! Sabaki River, 
Gregory ! Nyika country, Gregory! Lanjora, 2000 ft., Johnston ! 
Mozamb. Dist. German East Africa: Fischer, 253! 481! Kilimanjaro 
2000-5000 ft., Volkens, 1669! 2130! Johnston! Smith ! Portuguese East Africa: 
Boror, Peters ! 
11. C. primuloides, Lindau in Engl. Jahrb. xx.36. Innovations 
pubescent. Leaves 4 by 2 in., elliptic, tips rounded, very obtuse, base 
narrowed; margin obscurely undulate, crenate; upper surface with 
many minute round glands; petiole 0. Peduncles 3-4 in. long ; spikes I 
by % in.; bracts $ by} in., obovate-oblong, very obtuse, softly pubescent, 
not plicate, nerves obscure. Calyx scarcely } in. long, hairy ; posticous 
sepal bifid at the tip. Corolla clear-red; tube 2 in. long; segments of 
limb # in. long. 
Lower Guinea. Angola: Malange, Mechow, 271! 
