258 XCVIII, ACANTHACEE (CLARKE). [ Dicliptera. 
5. D. laxata, (. B. Clarke. Branches angular, nearly glabrous. 
Leaves 31 by 1} in., triangular-acute at either end, nearly glabrous; 
petiole often lin. long. Cymes axillary, fin, in diam. ; spikelets nearly 
all manifestly pedicelled ; outer bract 4-} by } in., elliptic-acute, nearly 
glabrous. Calyx } in. long. Capsule } in. long, hairy; placente rising 
elastically ; seeds tubercled. 
Nile Land. British East Africa: Kavirondo; Samia, Scott-Elliot, 7098! 
Mozamb. Dist. British Central Africa: Nyasaland; Masuka Plateau, 6500- 
7000 ft., Whyte ! 
6. D. alternans, Lindau in Engl. Jahrb. xx. 47. Stem weak, 
sparingly hairy. Leaves 2} by 1 in., elliptic, suddenly narrowed at 
either end, nearly glabrous; petiole 1-3 in. long. Spike terminal ; 
spikelets alternate, solitary, ;1,-} in. apart, in the axil of one of two 
opposite unequal minute floral leaves; two bracts to the spikelet 
subequal, } by ;5 in., elliptic, subobtuse, green-veined, nearly glabrous. 
Corolla nearly 4 in. long. Capsule } in. long, somewhat pubescent ; 
placentee rising elastically from the base of the capsule. 
Upper Guinea. Cameroons: Buea, Preuss, 604! 
7. D.mossambicensis, Klotzsch in Peters, Reise Mossamb. Bot. 229. 
Stems 2-3 ft. long, 4-angular, white on the angles, glabrous or shaggy 
white-hairy. Leaves 1 by 4 in. (Klotzsch). Heads of spikelets rather 
dense, subglobose, axillary and terminal. Two bracts of the spike- 
Jet 4-3 by }-4 in., ovate, acute, mucronate, hairy, sometimes one 
of the two much larger. Sepals 5, 4 in. long, hairy. Corolla 3 in. 
long. Stamens 2; anther-cells 2, one completely over the other. 
Capsule { in. long, hairy on the margin; placentz rising elastically 
rom the base of the capsule-valves.—Lindau in Engl. Pfl. Ost-Afr. C. 
Mozamb. Dist. German East Africa: Rovuma River, Kirk! Portuguese 
East Africa : Mozambique, Klotzsch! Lower Zambesi ; Shupanga, Stewart / Lower 
Shire Valley ; Makanga Mountain, Scott ! 
None of the examples seen have any leaves. 
8. D. Elliotii, C. B. Clarke. Stems 6-8 in. long, glabrate. 
Leaves 1} by 3 in., ovate, acuminate at either end, nearly glabrous ; 
petiole } in. long. Heads of spikelets rather dense, subglobose, axillary 
and terminal. Two bracts of the spikelet } in. long and broad, 
round-obovate, hairy, shortly white ciliate on the margin. Corolla about 
» in. in total length. Capsule } in. long, hairy on the margin; placente 
nising elastically from the base of the capsule-valves. —_ 
Seo reper Guinee. Sierra Leone: shady places by the Scarcies River, at Wallia, 
Lower Guinea. Congo, Smith, 8! 64! 
9. D. micranthes, Nees in Wall. Pl. As. Rar. iii. 112. Stems 
1-2 ft. long, 6-angular, angles whitened, glabrous or sparsely hairy 
upwards, Leaves 3 by 1} in., elliptic, narrowed at both ends, glabrous 
