214 cxviii. THYMEL/EACEiE (pearson). [Struthiola. 



Adult leaves pilose on the marg'ins . . 4:. S. gilgiana. 

 Calyx-tube as long as or ^ongcr than the leaves. 

 Adult leaves 2-2\ lin. broad-. 



Leaves erect and closely imbricate . , h. S. Thomsoni. 



Leaves not imbricate, more or less spreading 6. (S. Albersii. 



Adult leaves not exceeding 1^ lin. broad • . 7. S. kilimandscharica. 



Adult leaves ovate, ^-^ in. long . . . . 8. -S. amahilis. 



1. S. ericina, Gibj in Engl. Jahrh. xix, 270. A shrub about G ft. 

 high. Branches erect, pubescent, densely leafy in the upper part. 

 Leaves whorled, sessile, pinoid, with a iiard acute apex, glabrous, with 

 inflexed margins, \ in. long, £ lin. broad. Flowers "snowy-white," 

 glabrous, rather shorter than the leaves. Bracteoles 2, oblong, obtuse, 

 conduplicate, with a few scattered hairs on the niaigins and at the apex, 

 1 J lin. long. Calyx-tube slender ; lobes ovate-lanceolate, acute, ?-i as 

 long as the calyx-tube. Petals 8, divided to the base ; segments tieshy, 

 terete, about, J lin. long. Style 2-2J lin. long. Fruit ovoid, obtuse, 

 glabrous, about 1 lin. long.— Gilg in Engl. Pfl. Ost-Afr. C. 283. 



Mozamb. Dlstr. Gennaii East Africa : Usanibara ; on the dry slopes of Mtai, 

 Hoist, 2176 partly ! Uluguru, 6U0O ft., Goetze, 332 ! 



2. S. Stuhlmannii, Gilg in Engl. Pf. Ost-Afr. 0. 28o. A low 

 shrub, scarcely 1 ft. high. Stem not much branched ; branches glabrous 

 and leafless iQelow, densely clothed with yellow pubescence. Leaves 

 crowded in the upper part of the stem, sessile, ovate-lanceolate, 

 obscurely 3-nerved, subcoriaceous, subacute, with ciliate margins, later 

 entirely glabrous, ^ in. long, 2 lin. broad. Flowers white, a little 

 shorter than the leaves. Bracteoles 2, linear, about 1 lin. long. Calyx- 

 tube very slender, puberulous or glabi-escent ; lobes ovate-lanceolate, 

 acute, puberulous or glabrescent without, about | as long as the tube. 

 Petals very small ; segments thick. 



Mozamb. Dlstr. German East Africa: Uluguru Mountains at Lukwangula, 

 7500-8000 ft., Siuhlmann, 9219. 



3. S. usambarensis, Engl in Engl. Jahrh, xix. 2()9. Branches 

 hispid, few-liowered. Leaves crowded, linear, flat, quite glabrous, sub- 

 coriaceous, with the margins more or le.ss recurved, rigid and acute at 

 the colourless apex, |-|- in. long, 1 lin. broad. Flowers glabrous, ^ as 

 long as the leaves. Calyx-tube slender, cylindric, 2-3 lin. long ; lobes 

 about 1 lin. long. Petals divided to the bavse ; segments fleshy, about 

 J lin. long.— Gilg in Engl. PH. Ost-Afr. C 284. 



Mozamb. Bistr. Gennan East Africa : Usambara ; Mlalo, Ngambo, at high 

 elevations, Hoist, 41. 



4. S. gilgiana, //. //. W. Pearson. Branches erect, pubescent, 

 densely leafy in the upper part. Leaves whorled, sessile, linear-lanceo- 

 late, acute, sparsely pilose on the margins, otherwise glabrous, ^ in. 

 long, 1 lin. broad. Flowers rather shorter than the leaves. Bracteoles 

 2, linear-oblong, obtuse, conduplicate, pubescent on the margins and at 

 the apex, 2 lin. long. Calyx-tube slender, glabrous, about J in. long; 



