214 CXVIII, THYMELHZACEE (PEARSON). [Struthiola. 
Adult leaves pilose on the margins . . 4. 8. gilgiana, 
Calyx-tube as long as or longer than the leaves: 
Adult leaves 2-23 Jin. broad, ; 
Leaves erect and closely imbricate . 
Leaves not imbricate, more or less spreading 
Adult leaves not exceeding 1} lin, broad 
Adult leaves ovate, 3-} in. long 
S. Thomsoni. 
S. Albersit. 
. S. kilimandscharica, 
. S. amabilis. 
DID NH 
1. S.ericina, Gilg in Engl. Jahrb. xix. 270. A shrub about 6 ft. 
high. Branches erect, pubescent, densely leafy in the upper part. 
Leaves whorled, sessile, pinoid, with a hard acute apex, glabrous, with 
inflexed margins, } in. long, 2 lin. broad. Flowers ‘‘snowy-white,” 
glabrous, rather shorter than the leaves. Bracteoles 2, oblong, obtuse, 
conduplicate, with a few scattered hairs on the margins and at the apex, 
1} lin. long. Calyx-tube slender ;. lobes ovate-lanceolate, acute, 3-3 as 
long as the calyx-tube. Petals 8, divided to the base; segments fleshy, 
terete, about 4 lin. long. Style 2-24 lin. long. Fruit ovoid, obtuse, 
glabrous, about 1 lin. long.—Gilg in Engl. Pfl. Ost-Afr. C. 283. 
Mozamb. Distr. German East Africa: Usambara; on the dry slopes of Mtai, 
Holst, 2476 partly ! Uluguru, 6000 ft., Goetze, 332! 
2. S. Stuhlmannii, Gilg in Hngl. Pfl. Ost-Afr. C. 283. A low 
shrub, scarcely 1 ft. high. Stem not much branched ; branches glabrous 
and leafless below, 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 glabrescent; lobes ovate-lanceolate, 
acute, puberulous or glabrescent without, about 2 as long as the tube. 
Petals very smal] ; segments thick. 
._ Mozamb. Distr. German East Africa: Uluguru Mountains at Lukwangula, 
7500-8000 ft., Stuhlmann, 9219. : 
3. S. usambarensis, Lngl in Hngl. Jahrb, xix. 269. Branches 
hispid, few-flowered. Leaves crowded, linear, flat, quite glabrous, sub- 
coriaceous, with the margins more or less recurved, rigid and acute at 
the colourless apex, }-2 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 base; segments fleshy, about 
4 lin. long. —Gilg in Engl. Pfl, Ost-Afr, C. 284. 
Mozamb. Distr. German East Africa: Usambara; Mlalo, Ngambo, at high 
elevations, Holst, 41, 
4. S. gilgiana, H. H. 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 4 in. long ; 
