Dlcliptercc] xcviii. acantiiace.e (clarke). 250 



or nearly so; petiole l-H in. long. Spikelets in dense globose heads 

 ^-J in. diam., terminal and many axillary, extending often to the lower 

 axils. Two bracts of the spikelet J-J in. long, obovate-lanceolate, 

 suddenly narrowed into a spineseent mucro, green, minutely liairy, witl» 

 much or little (usually with much) long white spreading hair added ; 

 bracteoles rather shorter than the bract, linear. Sepals 5, ^-J in. long, 

 linear, hairy. Corolla J-^ in. long. Capsule J in. long, sparingly hairy ; 

 seeds (often 4) tubercled. — Nets in DC. Prod. xi. 484; A. Rich. Tent. 

 Fl. Abyss, ii. 159 ; T. Anders, in Journ. Linn. Soc. vii. 47 ; C. B. Clarke 

 in Hook. f. Fl. Brit. Ind. iv. 553 ; Lindau in Engl. <k Prantl, Pflanzen- 

 fam. iv. B. 33:3, fig. 134, D-C4 ; Zarb, Cat. Spec. Bot. Pfund, 32. JJ. spiau- 

 losa. Hochst. ex Nees in DC. Prod. xi. 484. 



ITpper Guinea. Senegal, Roger, 42 ! 



xrile Xiand. Upper Sennar ; Fazokl, Kolschy, 513 ! D.irfur, Purdy, 70 ! 87 I 

 Kordofan, Kotschij, 211 ! Ffund, 421 1 437, 439 ! Abyssinia : Jelajeraniie, Schimper, 

 509 ! and without precise localit>|-, Schimper, 806 ! 



IMCozamb. I>ist. German East Africa : Fischer, 480 I British Central Africa : 

 Lake Nyasa; Lukoma (Likoma Island ?), Bellingham ! 



Also found in India. 



10. D. umbellata, Juss. in Ann. Mus. Par. ix. (1807) 208. 

 Heads lax, running into terminal spikes. Two bracts of the spikelet 

 longer, more unequal, lower often J-J in. long ; otherwise nearly as 

 D. micranthes. — Benth. in Hook. Niger Fl. 484; Nees in DC. Prod. xi. 

 4S4. I), maculata, var. seriegambica, Nees in DC. Prod. xi. 4.'S5. 

 D. usambarlca, Lindau in Engl. Jahrb. xx. 47, and in Engl.^tt 

 Prantl, Pflanzenfam. iv. 3 B. 333, and in Engl. Pfl. Ost-Afr. C. 371. 

 JJ. verticillaris, T. Anders, in Journ. Linn. Soc. vii. 47 • S. Moore in 

 Journ. Bot. 1880, 362, not of Juss. Justicia umbellata, Valil, Enum, 

 i. 111. 



Upper Guinea. Senegambia: Brava Island, 5/-?<«Mer .' Sierra Leone: Smeath- 

 inan ! Afzelius .' Lagos, Barter, 20176 ! Cameroons : Yaunde, Zenker, 642 \ 



Iiower Guinea. Congo : Jeyanga and Mpoka, Burton ! and without precise 

 locality, Smith! Angola: Mossamedes, WeUcitsch, 4:\)m \ 5133! 51661 



IVXozamb. I>ist. German East Africa: Usambara ; Kwa Mshuza, 50eX) ft., 

 Moist, 8914a ! Uluguru, Stuhhr.ann, 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'. Moore in Journ. Bot. 1880, 302. liranches 

 6-angular, minutely pubescent. Leaves 2^ by Ij in., cordate-ovate, 

 acute, sparsely and minutely hispid; petiole I in. long; lower leaves 

 5 in. long, ovate, acute at both ends in Pogge, 4218. Heads terminal 

 and many axillary, ovoid, |-1 in. in diam. Two bracts -^ in. long, 

 broad-lanceolate, acute, hispid. Calyx I in. long. Corolla 1 in. long. 

 Filaments glabrous ; one anther-cell completely over the other. 



I.ower Guinea. Angola : Huilla, Welwifs-h, 5015 ! 

 South Central. Lunda : Lomani Kiver, Pogge, 4218 ! 

 Allied to D. umbellata, Juss., but larger. 



