Spermacoce. | LXX. RUBIACEZ (HIERN). , 237 
several together, in terminal and axillary somewhat leafy and sessile 
heads of }4 in. diam., based by the dilated sheaths of the stipules of 
1-3 pairs of leaves; bracteoles subulate. Calyx-teeth 4, subequal, 
linear-spathulate, rather shorter than the pubescent fruit. Corolla- 
tube slender, short.—Borreria hebecarpa, Hochst. in Hb. Schimp. 
Abyss. iii. n. 1712 (1840); A. Rich. Fl. Abyss. i. p. 347. 
Upper Guinea. Niger Expedition, at Nupe, Barter! (common in moist cre- 
vices of rocks, flowers reddish white), 
Nile Land. Abyssinia, Schimper ! Hildebrandt! Gallabat, Schweinfurth ! Djur- 
land, Schweinfurth ! 
? Var. major, Schweinf. in Herb. Gallab. n. 1479. Coarser, more robust, 14-2 ft. 
high. Leaves ranging up to 3 by } in. Bracteoles very numerous, exceeding the 
subulate calyx-teeth. 
Wile Land. Gallabat, Schweinfurth! Perhaps a distinct species. 
Borreria neglecta, A. Rich. Fl. Abyss. i. p. 347, appears to be a dwarf state of 9. 
hebecarpa, Oliv.; I have seen no authentic specimen. 
9. S. leucadea, Hochst. in Hb. Kotsch. Nub. n. 259 (1841). 
Erect annual, hispid-hirsute with whitish hairs, but little branched. 
Stem and branches obtusely 4-sided, subterete below, somewhat com- 
pressed above. Leaves linear or lanceolate, acute, narrowed towards 
the sessile base, scabrous above, 1-21 by 1-4 in.; stipules with a 
sheath of about din. long and about 5 equalling sete, pale yellowish. 
Flowers small, several together, verticillate and capitate, in terminal 
and axillary sessile bracteate or leafy heads of $-1} in. diam. Calyx- 
teeth 4, of nearly the same length, lanceolate, longer than the ovary, 
shorter than the fruit, persistent, hairy. Corolla-tube short. Capsule 
about 3 in, long, hairy above; seeds nearly as long. 
Mile Land. Cordofan, in savannahs, Kotschy ! 
10. S. stachydea?2, DO. Prodr. iv. p. 554. A robust branched 
annual, 2 feet high or more. Stem and branches obtusely 4-sided, 
pubescent. Leaves linear or linear-elliptical, narrowed towards both 
ends, sessile, scabrous, 3-5 by 4-4 in., lateral veins depressed on the 
Upper surface ; stipules with tomentellous sheath and 6 or more longer 
sete. Flowers pale blue, numerous, crowded in terminal or subter- 
minal sessile leafy heads of }-1 in. diam.; bracts ovate or lanceolate, 
subfoliaceous ; bracteoles slender, falling short of the calyx-teeth. 
Valyx-teeth 4, lanceolate-subulate, shortly hirsute-pubescent outside, 
equalling the ovary. Corolla-tube about equalling the calyx-teeth. 
‘Tuit shortly pubescent above, nearly } in. long exclusive of the per- 
sistent calyx-teeth. 
Upper Guinea. Niger Expedition, at Nupe, Barter! 
North Central. Bakel, Leprieur ex DC. 1. c. 
T have not seen the type of De Candolle’s species. 
ll. S. radiata, Sieber, Pl. Seneg. exsicc. n. 8. A hirsute stiff 
erect annual, 1-2 feet high. Stems and branches subterete below, 
Somewhat angular above. Leaves linear, narrowed towards both ends, 
acute, rigid, spreading, sessile, nearly glabrescent above, more or less 
hispid on the prominent midrib beneath, 3-2} in. long, lateral veins 
