18 AcANTHACEM (Clarke). [Dyschoriste. 
Fischeri, and which agrees well as to the corolla, stamens, capsule and all 
essentials, But the type examples of D. Fischeri are larger in all their parts, more 
hairy, and their calyx hispid. 
VI. CHATACANTHOS, Nees. 
Bracteoles 2, linear or oblong, much shorter than the calyx. 
~— Galye divided 4-} the way down; teeth 5, linear. Corolla white 
wherever noted ; tube linear nearly to the top; lobes 5, subequal, 
contorted in the bud. Stamens 2; rudiments of the other 2 filaments 
small ; anther-cells oblong, at equal height, not tailed at the base; 
pollen ellipsoid, longitudinally ribbed. Style linear, thinly hairy ; 
stigma with 1 linear-oblong branch, the other suppressed ; ovules 2 in 
each cell. Capsule linear-cylindric, generally perfecting 4 seeds. 
Seeds discoid with much hygroscopic hair. 
Rootstock woody, short, whence arise branches 8-24 in. long ; leaves entire, 
with cystoliths which are conspicuous also in the calyx ; flowers axillary, solitary 
or few together. 
Species 4, endemic in South Africa, hardly more than varieties of one. 
Leaves 4-4 in. long, the lower and middle obtuse : 
Calyx-teeth sparingly hairy, usually longer than 
the corolla-tube ... fea avy pes --- (1) Persoonii, 
Calyx-teeth glandular-hairy, usually shorter than 
the corolla-tube ... nee oA “a ... (2) glandulosus. 
Leaves }-14 in. long, the lower subacutely triangular 
at the tip: 
Calyx-teeth patently hispid aay a «. (3) Burchellii, 
Calyx-teeth nearly glabrous iss ws ... (4) costatus. 
1. C. Persoonii (Nees in Linnwa, xv. 357, var. B only, excl. all 
syn.) ; stem very short, up to } in. in diam.; branches 6-15 in. long, 
nearly glabrous ; leaves 1—} in. long, obovate, lower obtuse, nearly 
glabrous ; petiole 0—», in, long ; calyx + in. long, divided more than 
+ the way down; teeth linear, sparsely hairy; corolla-tube scarcely 
as long as the calyx-teeth ; stamens, anthers and style as deseribed 
for the genus ; capsule 3 by ,—,), in., glabrous. Nees in DC. Prod. 
xi. 462, var. B only ; Hook. Journ. Bot. ii. (1840) 126; Hochst. in 
Flora, 1845, 72 partly; Drége in Linnea, xx. 199 (?). C. setiger, 
Lindau in Engl. Jahrb. xviii. 38, and in Engl. § Prantl, Pilanzenfam. 
iv. 3B, 281, fig. J. Eranthemum obovatum, var. ¢, KE, Meyer in Drége, 
Zwei Pflanzengeogr. Documente, 131, 182. Calophanes Persoonii, 
L. Anders. in Journ. Linn. Soe. vii. 23 partly. Ruellia thymifoli 
Vahl MS. ex Nees. partly. Luella thymifolia, 
Soutn Arrica; without precise locality, Masson ! Oldenburg ! 
Coast _Region: Mossel Bay Div.; Little Brak River, Burchell, 6173! 
Knysna Div. ; on hills at Viugt, Bolus, 1769! Uitenhage Div. ; on hills hotween 
Coega River and Zwartkops Kiver, Ecklon Y Zeyher, 334! near the Zwartkops 
River, Ecklon §¥ Zeyher! Slaay Kraal, Burke! between Van Stadens River and 
Galgebosch, Burchell, 4675! Alexandria Diy. ; on grassy hills at Addo, 1000— 
2000 ft., Drége! Albany Div.; near Grahamstown, Burke! MacOwan ! hetween 
Kasuga River and Sidbury, Burchell, 4164! Blue Krantz, Burchell, 3635! 
Bathurst Div.; near Theopolis, between Riet Fontein and the sea, Burchell, 
