332  _-XCII. SCROPHULARIACEH (HEMSLEY AND SKAN). — [| Craterostigma. 
Mozamb. Dist. British Central Africa: Nyasaland; wet rock on the top of 
Mount Zomba, Buchanan, 246! and without precise locality, Buchanan, 796 ! 
7. C. linearifolium, Hngl. in Engl. Jahrb. xxiii. 501, t. 8, figs. 
G—L. A small glabrous cespitose herb 1-2 in. high. Leaves all 
radical, linear, }-1} in. long, rather thick, obtuse. Scape }-1} in. 
long, slender, quadrangular; flowers in a small terminal corymbose 
raceme; bracts linear-lanceolate to lanceolate, 2-27 lin. long; pedicels 
up to 2} lin. long. Calyx about 14 lin. long; teeth semi-ovate, obtuse, 
3-3} lin. long. Corolla whitish-violet on the tube and often on the 
upper lip, purple on the lower lip; tube 1-1} lin. long; lobes 1} lin. 
long, denticulate.— Hiern in Cat. Afr. Pl. Welw. i. 762. 
. Lower Guinea. Angola: Huilla; elevated places at Nene, Welwitsch, 
5782! 
8. C. Geetzei, Engl. in Engl. Jahrb. xxviii. 477. A perennial 
herb branched from the base; stems 6-14 in. long, few, ascending, 
quadrangular, quite glabrous; lower internodes short, the others 
elongated. Leaves sessile, pellucid-punctate, the lower ovate, rather 
obtuse, about 5 lin. long and 4 lin. broad, 3—5-nerved, the upper ovate 
to oblong, 24-3} lin. long, 14-2} lin. broad. Flowers 3-7, more or 
less distant in a spike-like raceme; bracts 1} lin. long, } lin. broad, 
elongate-triangular, acute; pedicels }-14 lin. long. Calyx 3 lin. long, 
purple on the winged angles; teeth triangular, 3-1 lin. long, acute, 
minutely ciliate. Corolla blue or violet, yellow on the tube and on the 
throat inside, sparsely and shortly pilose or minutely scaberulous out- 
side; tube 34 lin. long, 1 lin. broad; upper lip broadly ovate, about 14 
lin. long, shortly bilobed ; lower lip densely covered with brown hairs 
at the base; lobes 2}—3 lin. long, 2 lin. broad, obovate. Appendages 
to the anticous filaments subclavate, about 1 lin. long. Capsule ovoid, 
acute, 24 lin. long, 13 lin. in diam.; seeds ovoid, brown, longitudinally 
suleate and minutely tuberculate. 
_Mozamb. Dist. German East Africa: Uhehe; Uchungwe Mountain, near 
Kissinga, 6560 ft., Goetze, 581 ; Lower plateau, north of Lake Nyasa, Thomson ! 
9. C. Schweinfurthii, Hngl. in Engl. Jahrb. xxiii. 501. An 
erect perennial 6-18 in. high; stems quadrangular, simple or sparingly 
branched, glabrous or sparingly pilose at the base. Leaves opposite, 
3-nerved, glabrous or minutely ciliate, entire or with a few small teeth, 
the lower approximate, elliptic, obtuse, 9-10 lin. long, 3-5 lin. broad, 
the upper distant, becoming gradually smaller, elliptic-lanceolate, acute. 
Inflorescence terminal, subcapitate ; bracts subulate, shorter than the 
flowers, minutely ciliate; pedicels very short. Calyx 23 lin. long, 
d-angled or 5-ribbed; teeth 1 lin. long, setaceous above, minutely 
ciliate. Corolla violet, puberulous outside; tube 3 lin. long; upper 
lip slightly emarginate, 2} lin. long, 2 lin. broad, suborbicular , lower 
lip + lin. long, 5 lin. broad, with a few clavate hairs on the palate. 
Appendages of the anticous stamens short, capitate at the apex; 
anthers glabrous.—Hiern in Cat. Afr. Pl. Welw. i. 762; Engl. & Gilg 
