bo 
lr 
qq 
Selago. | C. SELAGINE® (ROLFE). 
Leaves hispidulous on the midrib and margin 4. S, Melleri, 
Leaves hispidulous-pubescent all over. . 5, S. blantyrensis. 
Leaves linear. 
Calyx 3 lin. long . . . . . . 6. 8. whyteana, 
Calyx 4 lin. long . . . . . 7. S. milanjiensis. 
Flowers sessile or subsessile, 
Corymbs as broad as, or broader than, long, ofter 
somewhat lax. 
Calyx-lobes longer than the tnbe . . - 8. S. Holstii. 
Calyx-lobes equalling the tube. . . 9. S. Buchananii. 
Heads densely congested, as long as broad . - 10, S. Johnstoni. 
Inflorescence thyrsoid . . . . - 11. S. thyrsoidea. 
Inflorescence spicate or shortly racemose, more or less 
lateral near the ends of the branches 
Corolla-tube }—3 lin. long. 
Flowers shortly pedicelled . . . . . 12. S. Nyase. 
Flowers subsessile. . . . . . 13. S. Thomsoni. 
Corolla-tube 13-13 lin, long. 
Leaves and calyx-segments linear-oblong (Western species). 
Leaves and stems minutely puberulous. . 14. S, Welwitschii. 
Leaves and stems pubescent . . . . 15, S. Hepfareri. 
Leaves and calyx-segments linear (Eastern species) 16 S. Holudii. 
Calyx 2-3-lobed. 
Leaves linear-lanceolate . . . . - «17. S. angolensis. 
Leaves linear. 
Inflorescence more or less lax. 
Leaves 1-2 lin. long. 
Flowers sessile. . . . . . 18. S. Dinter, 
Flowers shortly pedicelled . . . . 19. S. amboensis. 
Leaves 3-8 lin. long . . . . . 20, S, lacunosa. 
Inflorescence congested into a narrow compound 
spike . . . 21. S. alopecuroides. 
1. S. coerulea, Rolfe. Plant 3-1 ft. high, with woody rootstock. 
Branches erect, copiously pubescent. Leaves lanceolate or lanceolate- 
linear, subobtuse, pubescent, more or less fascicled, 3-8 lin. Jong. 
Racemes very short, aggregated in congested terminal corymbs, 1-24 in. 
diam. Bracts linear-oblong, obtuse, hispidulous-pubescent, 1 lin. long. 
Pedicels adnate to the base of the bract. Calyx campanulate, hispidulous- 
pubescent, 5-lobed, 3 lin. long; lobes oblong, obtuse, strongly ciliate, 
the lower two broader than the others, twice as long as the tube. 
Corolla blue (Whyte) ; tube 4 lin. long ; lobes rounded-oblong, two upper 
small, the others broad and longer than the tube. 
Mozamb. Dist. British Central Africa: Nyasaland; summit of Nyika 
Plateau, 7000 ft, Whyte! 
2. S. viscosa, Rolfe. Plant 1 ft. or more high, and rather lax. 
Branches viscous-pubescent. Leaves rather lax, lanceolate-linear, sub- 
obtuse, hispidulous, 3-8 lin. long. Flowers very shortly pedicelled, 
arranged in lax terminal corymbose panicles. Bracts oblong, obese, 
ciliate, 1 lin. long. Calyx campanulate, nearly glabrous, 5-lobed, { lin. 
long ; lobes oblong, subobtuse, ciliate, subequal, nearly twice as long as 
