Dicliptera.] XCVIII, ACANTHACEE (CLARKE). 259 
or nearly so; petiole 1-1} in. long. Spikelets in dense globose heads 
$- in. diam., terminal and many axillary, extending often to the lower 
axils. Two bracts of the spikelet }-} in. long, obovate-lanceolate, 
suddenly narrowed into a spinescent mucro, green, minutely hairy, with 
much or little (usually with much) long white spreading hair added ; 
bracteoles rather shorter than the bract, linear. Sepals 5, 4-1 in. long, 
linear, hairy, Corolla 4-3 in. long. Capsule } in. long, sparingly hairy ; 
seeds (often 4) tubercled.—Nees in DC. Prod. xi. 484; A. Rich. Tent. 
Fl. Abyss. ii. 159; T. Anders. in Journ. Linn, Soe. vii. 47; C. B. Clarke 
in Hook, f. Fl. Brit. Ind. iv. 553; Lindau in Engl. & Prantl, Pflanzen- 
fam. iv. B. 333, fig. 134, D-G ; Zarb, Cat. Spéc. Bot. Pfund, 32. D. spinu- 
losa, Hochst. ex Nees in DC. Prod. xi. 484. 
Upper Guinea. Senegal, Roger, 42! 
Nile Land. Upper Sennar; Fazokl, Kotschy, 513! Darfur, Purdy, 70! 87! 
Kordofan, Kotschy, 277! Pfund, 421! 487, 439! Abyssinia: Jelajeranne, Schimper, 
509 ! and without precise locality, Schimper, 806 ! 
Mozamb. Dist. German East Africa: Fischer, 480! British Central Africa : 
Lake Nyasa; Lukoma (Likoma Island ?), Bellingham ! 
Also found in India. 
10. D. umbellata, Juss. in Ann. Mus. Par. ix. (1807) 268. 
Heads lax, running into terminal spikes. Two bracts of the spikelet 
longer, more unequal, lower often 4-3 in. long; otherwise nearly as 
D. micranthes.—Benth. in Hook. Niger Fl. 484; Nees in DC. Prod. xi. 
484. D. maculata, var. senegambica, Nees in DC. Prod. xi. 489. 
D. usambarica, Lindau in Engl. Jahrb. xx. 47, and in Engl. & 
Prantl, Pfanzenfam. iv. 3 B, 333, and in Engl. PA. Ost-Afr. C. 371. 
D. verticillaris, T, Anders. in Journ. Linn. Soe. vii. 47; 8. Moore in 
Journ, Bot. 1880, 362, not of Juss. Justicia wmbellata, Vahl, Enum. 
i. 111, ; 
Upper Guinea. Senegambia: Brava Island, Brunner! Sierra Leone: Smeath- 
man! Afzelius ! Lagos, Barter, 20176 ! Cameroons: Yaunde, Zenker, G42 ! 
Lower Guinea. Congo: Jeyanga and Mpoka, Burton ! and without precise 
locality, Smith! Angola: Mossamedes, Welwitsch, 4999! 5133! 5166! . 
Mozamb. Dist. German East Africa: Usambara; Kwa Mshuza, 5000 ft., 
Holst, 8914, ! Uluguru, Stuhlmann, 9170! British Central Africa: Nyasaland ; 
between Songwe River and Karonga, 1700-2000 ft., Whyte, 28 ! 
It may be doubted whether this is more than a wet-country form of D. micranthes. 
it is greener, less woolly, and rather larger in ail its parts. 
11. D. Welwitschii, S. J/oore in Journ. Bot. 1880, 362. Branches 
6-angular, minutely pubescent. Leaves 24 by 1} in., cordate-ovate, 
acute, sparsely and minutely hispid; petiole { in. long; lower leav es 
5 in. long, ovate, acute at both ends in Pogge, 4218. Heads termina 
and many axillary, ovoid, 3-1 in. in diam. Two bracts ¢ In. jong: 
broad-lanceolate, acute, hispid. Calyx } in. long. Corolla 1 in. long. 
Filaments glabrous; one anther-cell completely over the other. 
Lower Guinea. Angola: Huilla, Welwits:h, 5015! 
South Central. Lunda: Lomani River, Pogge, 4218! 
Allied to D. umbellata, Juss., but larger. 
