268 XCII. SCROPHULARIACE® (HEMSLEY AND SKAN). | Aptostmum. 
Leaves 13-2 in. long; calyx 13-2 lin. 
long; corolla up to 12 lin. long . 9. A. angustifolium. 
Flowers several together; leaves about 
22in.long’ =. 3) . 10. A. Schinzit. 
** Leaves lanceolate, oblanceolate, obovate or oblong, 
usually less than 1 in. long; midrib not 
persistent. 
Branches with a thick corky layer; leaves and 
calyx glabrous. . 11. A. suberosum. 
Branches without a thick corky layer; leaves and 
calyx more or less hairy. 
Hairs mostly not glandular; leaves }-$ in. long. 
Branches slender; leaves distinctly petiolate . 14, A. elongatum. 
Branches 2-24 lin. thick at the base: leaves 
sessile . : ; : ‘ : . 15. A. pubescens. 
Hairs mostly glandular; leaves 1—2 in. long. 
Plant not densely hairy; hairs often very 
short and stiff ; leaves broadest at or above 
the middle... . . : . 12. A. decumbens. 
Plant densely hairy; hairs often long and 
very slender; leaves broadest below the 
middle. : 5 : 5 : . 13. A. molle. 
1. A. pumilum, Benth. in DC. Prodr. x. 345. A densely 
cespitose annual or biennial herb 3 or 4 in. high. Leaves linear, 
linear-lanceolate or linear-oblong, 1-3 in. long, 1$-3} lin. broad, 
minutely pubescent, slightly scabrid especially on the margins and 
on the underside of the midrib, attenuated and conspicuously ciliate 
at the base; midrib hard but scarcely spinescent. Flowers sessile, 
solitary or two or more together, shorter than the leaves. Bracts 
ciliate, linear, shorter than the calyx in the lower flowers, Jonger than 
the calyx in the upper. Calyx-tube very short; segments } in. long, 
subulate, ciliate. Corolla scarcely } in. long, white outside, blue inside, 
pubescent. Anthers of the lower stamens nearly glabrous. Capsule 
globose, compressed at the apex, slightly emarginate. Seeds rather 
long,subquadrangular, black, minutely papillose.—Chilostigma pumilum, 
Hochst. in Flora, 1841, i. 372. 
Nile Land. Kordofan: Kohn Mountain, Kotschy, 227! 
2. A. Nelsii, Weber in Bull. Herb. Boiss. 2” sér. iti, 900. An under- 
shrub with a thick few-branched stem bearing short spines ; branches 
erect, densely leafy, very minutely puberulous. Leaves linear oF 
narrowly elliptic, about 3 in. long and 14 lin. broad, broadest above the 
middle, gradually narrowed towards the base, glandular on both sides, 
furnished on the upper side at the base with numerous short conical 
hairs. Flowers shortly pedunculate, 3 (rarely 5) in axillary dichasia. 
Bracts about 5 lin, long. Calyx 34 lin. long, glandular-hairy inside 
and outside, sparing ciliate in the angles between the teeth ; tube 1-1} 
lin. long; segments narrowly lanceolate, twice as long as the tube. 
Corolla blue, about 1 in. long, sparingly glandular outside ; lobes shor? 
oval. Upper stamens 2 lin. long; lower 44 lin. long; smaller anthers 
without pollen. Capsule obovoid, pilose. 
