28 



STOB^A. Thunb. 



( Compositce. ) 



XIX. — SYNGENESIA. LIN. SYST. 



63. StobcBa ruhricaulis. D.C. Root woody. Stem 

 erect, purple. Leaves amplexicaul, eared, rigid, 

 smooth above, tomentose Jbeneath, pinnatifid ; lobes 

 lanceolate, acuminate, spiny, with prickly fringes on 

 their margin. Pedicels short, bracteate, subracemose. 

 Scales of the involucre spreading, ovato-lanceolate, 

 having two spines at base, which outreach the disk. 

 Achcsnia downy. 



The colonial name of Graveel-wortel, given to this plant, 

 fully impHes the nature of its effects. It is a native of the 

 district of Swellendam, where it grows on hills and un- 

 cultivated fields. A tincture prepared from the bruised 

 roots is diuretic, and of great service in gravel. 



LOBELLA. Lin. 



( CampanulaceoB.) 



V. 1. PENTANDRIA MONOGYNIA. LIN. SYST. 



64. Lobelia pinifolia. Lin. Stem frutescent, erect, 

 smooth. Leaves crowded, alternate, sessile, linear- 

 lanceolate, acute, entire, keeled. Peduncles with short 

 bracts, silky, few-flowered. Tube of the calyx half- 

 round. Flowers blue, subterminal, hairy outside. 



The resinous root of this httle shrub is stimulant and 

 diaphoretic. A decoction of it is sometimes used as a 

 domestic remedy in cutaneous affections, chronic rheuma- 

 tism, and gout. This plant is common in the mountainous 

 parts of the Western division of the colony, where it flowers 

 during the greater part of the year. 



WAHLENBERGIA. Schrad. 



( CampanulacecB.) 

 V. — 1. PENTANDRIA MONOGYNIA. LIN. SYST. 



65. Wahlenbergia procumbens. D, C. fil. Herba- 

 ceous ; procumbent, diffused, entirely smooth. Leaves 

 opposite, ovate, subsessile, blunt, entire or obsoletely 

 crenate. Pedicels axillary, longer than the leaves. 



