Tlysanthes.]  XC11, SCROPHULARIACEEH (HEMSLEY AND SKAN). 347 
3: I. conferta, Hiern in Dyer, Fl. Cap. iv. ii. 365. A glabrous 
or nearly glabrous aquatic herb; stems erect, 4-8 in. long, rather 
slender, usually simple, tetragonal at least above, submerged below, 
naked except at the apex through the fall of the lower leaves, rooting 
at the base. Leaves opposite, crowded at and near the apex of the 
stem, shortly petiolate or sessile and slightly sheathing, oblong-obovate, 
2-8 lin. long, 1-3 lin. broad, very obtuse, entire, somewhat fleshy- 
coriaceous, green or red-purple, glossy and minutely dotted above, 
minutely glandular beneath. Flowers axillary, solitary; peduncles 
about 3 lin. long. Calyx 11-14 lin. long, deeply lobed ; segments ovate 
or broadly oblong, rather more than } lin. broad, unequal in breadth, 
imbricate, obtuse. Corolla crimson ; tube 21 lin. long, 14 lin. broad at 
the base, 1} lin, broad near the limb ; upper lip deltoid-ovate, entire, 2 
lin. long ; lower lip deeply 3-lobed, about 4 lin. long. Upper stamens 
shortly exserted ; staminodes simple, incurved, 1 lin. long. Capsule 
oblong-ovoid, compressed, 14-2} lin. long, 1} lin. broad, crowned by 
the rather thick persistent style.—J/, Plantaginella, 8. Moore in Journ, 
Bot. 1905, 49. 
Mozamb. Dist. Rhodesia: Matoppo Hills, in streams running over granite, 
Lyles, 47! 
Also in the Transvaal and Natal. 
4. I. Welwitschii, Lngl. in Engl. Jahrb. xxiii. 504, 4. 9, figs. 
O—R. An erect herb 14-2 in. high, bearing a tuft of long fibrous roots ; 
Stem scapose, simple, very slender, purple, minutely pubescent. Leaves 
in a small tuft at the base of the stem, linear-spathulate, 24-5 lin. long, 
4-1 lin. broad, fleshy, obtuse. Flowers solitary and terminal or in 1—4 
pairs with an odd terminal one ; bracts lanceolate or ovate-lanceolate, 
I lin. long; peduncles slender, 4 lin. long. Calyx 2} lin. long, purplish ; 
teeth } lin. long, oblong, obtuse. Corolla about 44 lin. long, whitish, 
the lower lip purplish ; upper lip slightly emarginate; lower lip 
bearded in the middle; lobes crisped. Staminodes rather large, gib- 
bous, obovoid. Capsule (immature) elliptic, acute, slightly longer than 
the calyx.—Hiern in Cat. Afr. Pl. Welw. i. 764. 
Lower Guinea. Angola: Huilla; in very elevated damp places in Morro de 
Lopollo, Welwitsch, 5781 ! 
5. I. nana, Engl. in Engl. Jahrb. xxiii. 505. An erect somewhat 
tufted herb 14-14 in. high; stems quadrangular, minutely pubescent, 
rather leafy. “Leaves somewhat fleshy, glabrous, the lower spathulate, 
4—5 lin. long, 2-24 lin. broad, petiolate, the upper sessile, ovate, up to 
6 lin. long and 4 lin. broad, all obtuse, distinctly or obscurely toothed. 
Peduncles 3-1 lin. long, in the axils of the upper leaves. Calyx about 
1} lin, long ; teeth ovate-lanceolate, 3 lin. long, acute. Corolla about 
2} lin. long, purple or white, with the lower lip purplish; lobes denticu-- 
late. Staminodes gibbous, bearing a slender filament about $ lin. long. 
Capsule fusiform, about 3 lin. long, acuminate.—Hiern in Cat. Afr. Pl. 
Welw, i. 764, and in Dyer, FI. Cap. iv. ii. 365. 
