8 TiiYMEL.^ACE.^. (Wright). [Arthrosolen . 



8. A. gymnostachys (C. A. Meyer in Bull. Phys--Math. Acad. 

 Pctersb. i. 1845, 359) ; an undershrub ; steins simple or branched, 

 terete, with yellowish adpressed hairs j leaves alternate, rarely the 

 lower subopposite, linear-lanceolate, or oblong, acute, up to 6 lin. 

 long and 2 lin. wide, glabrous above, with long white adpressed 

 hairs on the margins and undersurface of the midrib ; spikes 

 terminal, rather lax, 1-2 in. long, ebracteate ; calyx densely pilose 

 outside; tube 2-3 lin. long, slender, cylindrical; lobes 4, oblong, 



obtuse, 1 lin. long ; ovary ovoid, compressed, | lin. long, hairy at 

 the apex ; style exserted ; stigma capitate. Passerina gymnostadtya, 

 Meisn. in Linnaea, xiv, 397, and in DC, Prodi\ xiv. 560; Drege, 

 Ziv^i Pfl. DocumentGy 50. 



■ 



Central Region: Wodehouse Div. ; Mooi Flats, 5000-6000 ft., Drege ! 

 Kalahari REGIO^' : Orange lUver Colony ; without precise locality, Cooper, 

 825! Transvaal; near Lydenburg, Wilms, 12S7. Waterval River, Wilms, 1034. 

 Eastkk>' REGibx : Natal ; Ladysoiithj Rehmann, 7135 ! 



9. A. variahilis (0. H. Wright) ; stem slender, terete, Avoody, 



glabrous ; branches many, virgate, covered at least when young 

 with rather long adpressed hairs ; leaves alternate, more rarely 

 subopposite, sessile, oblong or oblong-lanceolate, acute at both ends, 

 silky beneath, glabrous or nearly so above, about 6 lin. long and 

 1-H lin, wide; flowers in a gradually elongating terminal spike; 

 bracts shorter than the calyx ; calyx 3-4 lin. long, fleshy, pink or 

 yellowish, persistent part ovoid, about H lin. long; tube cylindrical, 

 adpressed-hairy outside ; lobes 4. obtuse, about | lin, long, outer 

 ovate, I lin. wide, inner oblong, ^ lin. wide ; stamens 8 ; ovary 

 ovate, compressed, tipped by a tuft of straight white hairs ■^- liii. 

 long; style excentric, reaching to the lower anthers; fruit ovoid, 

 acuminate, Ih lin. long. 



Kalahaki Regiox : Orange River Colony ; Besters Vlei, near Witzies Hoek, 

 5300 ft., Bolus, 8243 ! Transvaal ; near Eriuelo, Burtt-Danr 960 ! Lydeubuitc 

 Wilms, 1287 1 1288 1 ^ 



Eastkkn Region: Griqualaiul East; by streams near Kokstadfc, 4250 ft., 

 T?/soTt^ 1214 1 Natal; Weenen County, 4000-5000 ft., Wood, 4550! gra^^sy hill 

 near Newcastle, 3000-4000 ft., Wood, 7200! near Charlestown, 5000-6000 ft., 

 Wood, 4802 1 and without precise locality, Gerrard^ 284 ! 



This species varies in the length and colour of its calyx and also in the length 

 and amount of the indumeutum upon it. No satisfactory line can be drawn 

 Letween the forms included here, wliich merit further study in the field. A, 

 fraternus. N. E. Br., the nearest ally, ditFers in lia\Ing opposite leaves aud in the 

 absence of bracts. 



10. A. phseotriclius (C. H. ^>ight); stems slightly branched, 



1 ft. or rather more high, at first hirsute, at length glabrous or 

 nearly so, recldUi-brown, 2 lin. in diam. ; leaves alternate, usually 

 oblong, acute, entire, 7 lin. long, 3 lin. wide, densely long-silky 

 beneath, more sparingly so above; flowers in a short terminal 

 spike ; calyx urceolate, not expanded in the upper part, densely 

 hairy outside, swollen in the lower 2 Hn., cylindrical above ; lobes 4, 



