230 cxviii. THYMEL^ACE^ (pearson). [Arthrosoleti. 



glabrous below the articulation, pubescent above, § in. long ; lobes ovate, 

 acuminate, acute, about 1 J lin. long. Ovary glabrous. 



ncozamb. Bistr. German East Africa: Uha; by the River Malagarazi, 



Trotha, 56 ! 



4. A. Newtonii, //. II. W. Pearson. Flowering stems erect, 

 unbranched or rarely branched near the apex, 0-18 in. high, arising 

 apparently from a stout rhizome. Leaves scattered, coriaceous, thick, 

 linear, acuminate, ending in a rigid point, glabrous, 1 -nerved, J-| in. 

 long, 1 lin. broad. Heads teraiinal, solitary, many-fiowered (40-00) ; 

 involucral bracts S or 9, ovate, oblong or elliptic, acute or shortly 

 apiculate, glabrous, J-J as long as the flowers. Flowers red, 4-merous, 

 pedicelled ; pedicel about 1 lin. long, bearing above the middle a brush of 

 long erect white hairs. Calyx-tube 4-angled, densely white-pubescent 

 above, glabrous below the articulation, ^| in. long ; lobes broadly 

 ovate, acute or more or less apiculate, silky-pubescent on the outside. 

 Ovary glabrous ; style apparently dimorphic, \ in. long (more rarely ^ in, 

 long) ; hypogynous scales 0, Fruit ovoid, acuminate, obtuse, 1 lin. 

 long; pei'icarp thin, black, brittle. — Gnidia Xewtohii, Gilg in Engl. 

 Jalirb. xxiii. 205. 



Lower Guinea. Aiigolii : Huilla, coininon in the Chella Mountains, Newton, 

 10! Johnston ! by th(; lliver Cuncne, Johnston! by the River Chitanda, near 

 Kassinga, 4200 ft., Baum, 213 ! 



5. A. dekindtiana, 11. II. W. Pearson. Flowering stems erect, 

 iDranched above, \-\\ ft. high. Leaves more crowded than in G. Xewtonii, 

 linear, acute, quite glabrous, coriaceous, 1 -nerved, about \ in. long, 

 \-\ lin. broad. Heads terminal, ^50— 10-tlowered ; involucral bracts 8-12, 

 broadly ovate, acute or shortly apiculate, glabrous, much shorter than 

 the flowers, \-\ in. long, about 2 lin. broad. Flowers red (when dry), 

 4-merous, pedicelled; pedicel about 1 lin. long, bearing a brush of long 

 erect white hairs at the apex. Calyx- tube 4 -angled, puberulous with 

 short hairs or glabrescent, glabrous below the articulation, J-|in. long; 

 lobes broadly ovate, acute or apiculate, glabrous above, silky-pubescent 

 beneath. Ovary glabrous ; style lateral ; hypogynous scales 0. Fruit 

 ovoid, acuminate, I J lin. long. — Gnidia dtkindtiava, Gilg in Engl. 

 Jahrb. xxiii. 205. 



XiO'wer Guinea. Antjola : Huilla, Antunes, 20 ! 45 ; by the River Longa 

 above Miunesera, Haurn, 700 ! Bailnndo District, 5000 ft., Wellman ! 



This is very near O. Neictonii. Wlien an adequate supply of material is available 

 it may perhaps prove to be a form of the same species. 



0. A. pleurocephala, U. II. W. Pearson. A shrub about 2 ft. 

 high, with glabrous branches. Leaves more or less densely crowded, 

 acicular-linear, acuminate-acute, pungent, flat, glabrous, subcoriaceous, 

 with inconspicuous venation, \-\ in. long. Heads axillary, very shortly 

 peduncled, 5-0-flowered ; involucral bracts 4, ovate-lanceolate, acute. 

 Flowers 4-merous, very small, more or less brown in colour. Calyx-tube 

 slender, glabrous, 1-2 lin. long; lobes oblong, rounded at the apex, 



