324 XCII. SCROPHULARIACEH® (HEMSLEY AND SKAN).  [ Dopatrium. 
24, DOPATRIUM, Hamilt. ; Benth. et Hook. f. Gen. Pl, ii. 953. 
Calyx small, deeply 5-fid ; lobes imbricate. Corolla-tube slender at 
the base, dilated at the throat ; upper outside lip short, 2-fid ; lower lip 
large, spreading, broadly 3-lobed. Perfect stamens 2, posticous, 
included; filaments filiform; anther-cells parallel, distinct, equal ; 
staminodes 2, anticous, minute. Style short, bilamellate at the apex. 
Ovules many. Capsule small, globose or ovoid, scarcely sulcate, 
loculicidal ; valves entire or more rarely 2-fid. Seeds small, tubercu- 
late.—Slender sometimes filiform glabrous herbs. Leaves opposite, 
rather small and close together at the base of the stem, with minute 
distant ones along the stem. Flowers small or medium-sized, violet 
or purple, rarely all yellow, usually in terminal racemes; pedicels 
ebracteate. 
Species 12, the others in Asia, 1 of which extends to Australia. 
Flowers all yellow. A : 5 : : ~ LL. D. luteum. 
Flowers not yellow (or only with a little yellow on the 
lower lip). 
Pedicels jess than 1 in. long. 
Lower leaves 13-2} in. long . : . . 2. D. tricolor. 
Lower leaves less than 1 in. long. 
Calyx-teeth 14 lin. long . : 5 ; . 8. D, longidens. 
Calyx-teeth # lin. long or less. 
Pedicels 2-3 lin. long. 
Inflorescence a raceme. 
Corolla-limb 8-10 lin. broad . : . 
Corolla-limb about 5 lin. broad 
Inflorescence a panicle 
D. macranthum. 
D. Dortmanna. 
D. stachytarphe- 
get hal 
toides. 
Pedicels 4—10 lin. long. 
Corolla sparingly pilose ; tube 3-4 lin. long 7. D. senegalense. 
Corolla glabrous ; tube 73 lin. long 8. D. nanum. 
Pedicels 2-3 in. long : : . ° 9. D. angolense. 
1. D. luteum, Zngl. in Engl. Jahrb. xxiii. 498. Stems slender, 
erect, simple or once branched in the upper part, 3-1 ft. high ; inter- 
nodes 1}-4 in. long. Radical and lower cauline leaves }—1 in. long, 
2-3} lin. broad, elliptic to linear-oblong, obtuse ; upper cauline leaves 
scale-like, 14-2 lin. long, ovate to suborbicular, acute or obtuse, connate 
at the base. Inflorescence a terminal few-flowered raceme; bracts 
similar to the cauline leaves but smaller, in pairs 14-3 lin. apart; 
pedicels 2-4} lin. long. Calyx 2 lin. long, minutely and sparingly 
pubescent; teeth scarcely } lin. long, broad, obtuse. Corolla bright 
yellow ; tube 9-10 lin. long, about 1 lin. broad ; upper lip 4 lin. long, 
3 lin. broad, slightly emarginate; lower lip tripartite; lateral lobes 
4 lin. long, 3 lin. broad; anticous lobe 6 lin. long, 9 lin. broad, deeply 
emarginate. Stamens inserted just below the throat of the corolla- 
tube; anthers pubescent, coherent. Style 9 lin. long. Capsule sub- 
globose, 2} lin. long, 2 lin. broad. 
Nile Land. Bongo: Gir, Schweinfurth, 2153 ! 
