Light/ootia.] lxxv. campanulace^} (hemsley). 475 



3. Zi. tenuifolla, A. DC. in Ann. Sc. Nat, ser. 5, vi. p. 327. Saffru- 

 tescent with several ascending pubescent cylindrical somewhat woody, 

 not fleshy, stems 12-18 in. high, more or less branching upwards. 

 Leaves alternate much crowded narrow-linear, 4-12 lines long, dentate, 

 pilose beneath. Flowers often solitary in the axils of the upper leaves. 

 Pedicels ^IJ lines long as well as the hemispherical calyx-tube pubes- 

 cent. Calyx-lobes scarcely exceeding a line in length erect slender 

 furnished with a few teeth. Lobes of the corolla linear somewhat 

 pilose slightly exceeding the calyx-lobes very pale blue. — Description 

 chiefly from De Candolle. 



Xiower Guinea. Huilla, in dense woods, Welwitsch ! 



4. Zi. coUomioldes, A. DC. in Ann. Sc. Nat. ser. 6, vi. p. 328. A 

 biennial with a fusiform root and 1 or 2 purplish erect slightly 

 branched puberulous stems from 12-18 in. high. Leaves alternate 

 (radical not seen) lower ones obovate- oblong obtuse (4-8 lines long), 

 narrowed into a short petiole, the rest sessile acute 8-16 lines long, 

 puberulous on both sides, margin thickened, crenate, crenatures denti- 

 culate. Flowers pale blue in small - terminal subglobose bracteate 

 heads ; bracts linear crenate or entire pilose. Calyx-tube hemispherical 

 glabrous or pilose at the top ; lobes lanceolate pilose on the margin 

 and back, scarcely a line long. Corolla 5-partite, 1^ lines long ; lobes 

 linear. — Description after De Candolle. 



Xiower Guinea. Huilla, in elevated humid pastures, Welwitsch ! 



5. Zi. napiformis, A. BG. in Ann. Sc. Nat. ser. 5, vi. p. 328. A 

 biennial with a turnip-shaped or fusiform root from which rises a 

 simple or slightly branched terete pubescent stem lJ-4 ft. high. 

 Leaves alternate, margin thickened crenate crenatures denticulate or 

 dentate puberulous on both sides, lower ones oblong or narrowly obo- 

 vate-oblong, about 2-3 in. long, scarcely narrowed into a petiole, sub- 

 acute, upper ones lanceolate, gradually shorter, narrower and more 

 acute. Flowers pale violet, in small axillary and terminal heads inter- 

 mixed with small linear bracts similar to the upper leaves. Otherwise 

 like L. collomioides. — Description after De Candolle. 



Ziower Guinea. Pungo Andongo, in dry bushy places, Welwitsch I 



6. Zi. annua, A. DC. in Ann. Sc. Nat. ser. 6, vi. p. 329. A diffuse 

 hairy annual 6-18 in. high with the habit of StacJiys annua. Leaves 

 alternate, sessile, lanceolate- oblong or obovate-oblong, 8-10 lines long, 

 obtuse or subacute, membranous, hairy on both sides along the midrib, 

 margin white with a few distant callous teeth, lateral veins indistinct, 

 gradually passing into shorter lanceolate acuminate bracts. Flowers 

 deep blue, usually in 3-flowered axillary and terminal racemes. Pedicels 

 very short, furnished as well as the hemispherical calyx-tube with 

 hispid hairs. Calyx-lobes less than a line long, entire, sparingly pilose. 

 Corolla-lobes linear, rather longer than the calyx-lobes, with here and 

 there a few hairs on the back. Capsule half-superior, — Description 

 after De Candolle. 



Iiower Guinea. Huilla, in dry stony and Imshy pastures, Welwitsch.' 



