Dielis}. XCII, SCROPHULARIACEH (HEMSLEY AND SKAN). 287 
Species 7, one occurring in Madagascar, the others in South Africa, 
Leaves distinctly petiolate. 
Plant clothed with long soft hairs. f é . IL. D. tenella, 
Plant minutely and sparingly pubescent. 
Peduncles 6-10 lin, long; corolla 2 lin, long =) 2, DD ovata. 
Peduncles 1-23 in. long ; corolla 6 lin. long . . 38. D. petiolaris. 
Leaves subsessile : : a a : : . 4. D. sessifolia. 
1. D. tenella, Hemsl. in Kew Bulletin, 1896, 163. A softly hairy 
much-branched herb; branches very slender, 6-12 in. long, creeping, 
rooting here and there. Leaves 4-1 in. long and broad, orbicular- 
ovate, membranous, coarsely serrate-dentate, rounded or subcuneate at 
the base ; petiole 4-1 in., usually about }$ in. long. Peduncles 1-2 
in. long, capillary. Calyx-segments 4—} lin. long, unequal, ovate-oblong. 
Coroila with spur 3-44 lin. long; spur 2-34 lin. long, curved; upper 
lip 2-lobed ; lobes rounded ; lower lip unequally 3-lobed. Capsule 1} 
lin. broad, 2-lobed ; lobes rounded. 
Mozamb. Dist. British Central Africa: Nyasaland; Mount Chiradzulu, 
Whyte ! 
2. D. ovata, Benth. in Hook. Comp. Bot. Mag. ii. 23. A 
branched sparingly and minutely hairy annual; branches 3-8 in. long, 
decumbent or ascending, subquadrangular. Leaves up to 1 in. long by 
7 in. broad, very thin, broadly ovate, acute or minutely apiculate, 
cuneate at the base, sparingly dentate or denticulate; petiole 4-4 in. 
long. Peduncles 6-10 lin. long, filiform, glandular-hairy. Calyx 
glandular-hairy ; segments 3-1 lin. long, oblong-lanceolate, obtuse, 
unequal. Corolla including spur 2 lin. long, glandular hairy ; upper lip 
bifid ; lobes short, acute; lower lip 3-lobed, 1} lin. broad; lobes 
rounded. Capsule 1} lin. long, 14 lin. in diam., depressed-globose, 
slightly emarginate, sparingly glandular-hairy—Engl. Pfl. Ost-Afr. C. 
396, Linaria veronicoides, A. Rich. Tent. Fl. Abyss. ii. 114. Anar- 
rhinum veronicoides, O. Kuntze in Jahrb. Bot. Gart. Berlin, iv. 269. 
Simbuleta veronicoides, O. Kuntze, Rev. Gen. Pl. ii. 465, 
Wile Land. Abyssinia: Begemeder? Schimper, 1119! 1180! Adowa, 
Quartin-Dillon. 
Mozamb. Dist. German East Africa: Kilimanjaro; Marangu, Volkens, 576! 
Portuguese East Africa: Quilimane, Kirk / British Central Africa: Nyasa- 
land; Mandala, Scott-Elliot, 8472 ! 
Also in Madagascar, ; 
_ 3. D. petiolaris, Benth. in DC. Prodr. x. 265, <A slender 
minutely puberulous, much-branched, prostrate or decumbent apparently 
annual herb, Leaves up to 1 in. long by 7 lin. broad, orbicular-elliptic, 
elliptic or obovate, rounded at the apex, more or less cuneate at the base, 
usually entire, sometimes obscurely (rarely coarsely) dentate; petiole 
$-1 in. long. Peduncles 1-24 in. long, filiform. Calyx minutely 
glandular-hairy ; segments 3-1 lin. long, unequal, ovate-lanceolate or 
oblong, subacute. Corolla with spur 6 lin. long; spur 2} lin. long, 
straight ; upper lip short, 2-lobed : lobes subdeltoid ; lower lip 3-lobed ; 
lobes broad, rounded. Capsule 1} lin. long, 1} lin. in diam., depressed- 
