19G LXX. COMPOSTTiE. 



entire tootlied or pinnatificl, gland-dotted and strongly-scented leaves. 

 Heads solitary ; rays wliite. — 6 species, dispersed, 



100. OSMITOPSIS, Cass. 



Characters as in Osmites, except : Eay-flowers neuter. 

 Pappus O.—Fl. Cap. iii. p. 305. 



0. asteriscoides, Cass., is a closely leafy, erect, balsamic shrub, found on 

 Table Mountain summit, and in similar situations in the Western districts. 

 Leaves lanceolate, sessile, entire or nearly so, pubescent or glabrous. 

 Heads terminal ; rays white. 



SuBTEiBE 5. Senecioneje. (Gen. 107-119.) 



107. STILPNOGYNE, DC. 



Heads 7-8-flowered, beterogamous, discoid, all the flowers 

 tubular ; 3 marginal, 3-toothed, female ; 4-5 central, bisexual, 

 5-toothed. Involucral scales 5-7, in 1 row, equalling the 

 disk, valvate, connate at base. Eeceptacle nude, narrow. 

 Style-arms in the central flowers short, bearded at the trun- 

 cate summit ; in the marginal longer, terete, downy. Achenes 

 oblong, tapering to both ends, granulated ; those of the female 

 flowers w^ithout pappus. Pappus in the disk-flowers 1-seriate, 

 of many scabrid bristles. — Fl. Cap. iii. p. 306. 



S. hellidioides, DC, is a small, glabrous annual of Namaqualand. 

 Leaves on long petioles, roundish, cuneate at base, bluntly 5-7-lobed, occa- 

 sionally with 1-2 runcinate lobes on the petiole. Stem filiform, nude, 

 branched. — Flowers yellow. 



108. OLIGOTHRIX, DC. 



Heads many-flowered, radiate ; ray-flowers about 5, female ; 

 disk-flowers 5-toothed, bisexual. Involucre 1-seriate, hemi- 

 spherical, nude at base, of 12-15 connate, striate scales. Ee- 

 ceptacle nude, flat. Anthers exserted, enclosing the style. 

 Achenes obtusely 5-angled, beakless, granulated on the angles. 

 Pappus of 5 very caducous, wavy, barbellate bristles. — Fl. Cap. 

 iii. p. 306. 



O. gracilis, DC, is a Aviry, glabrous, branching annual, found on the 

 Aderberg. Stems branched from the base ; leaves small, eared and stem- 

 clasping, oblong-lanceolate, dentate. Flowers yellow. 



109. MESOGRAMMA, DC. 



Heads many-flowered, radiate ; ray-flowers 1-seriate, ligu- 

 late, female. Involucral scales 1-seriate, slightly calycled, of 

 about 20 acuminate scales, each marked by 2 linear, intramar- 

 ginal glands. Eeceptacle flat, nude. Disk-flowers tubular, 

 5-toothed, 5-lineate, the medial nerves strongly marked, in- 

 tervals pellucid or faintly nerved. Style- branches truncate. 



