238 LXX. RUBIACEZ (HIERN). [ Spermacoce. 
obsolete, margins subrevolute, white, minutely scabrous; stipules 
short, truncate, terminated by 7-9 long slender stiff sets of 4-4 in. 
Flowers capitate, white, small, numerous, in hemispherical dense 
clusters of 4-1 in. diam. terminating the stem and branches as well as 
the short lateral shoots. Calyx hairy above ; teeth 4, subequal, slender, 
hairy, rather shorter than the compressed ovary. Corolla funnel- 
shaped ; tube short. Anthers oval, shortly exserted. Style glabrous, 
bifid at the tip.—Borreria radiata, DC. Prodr. iv. p. 542. 
- Upper Guinea. Senegambia, Sieber! Perrottet § Leprieur, Heudelot! Niger 
Expedition, Baikie! at Nupe, Barter! . 
Nile Land. Cordofan, in sandy savannahs at Mount Kohn, Kotschy! Djur- 
land, Schweinfurth ! 
12. S. ramisparsa, Pohl ex DC. Prodr. iv. p. 544. A branched 
or subsimple anriual weed; stem and branches erect or decum- 
bent, mostly weak, nearly glabrous or scattered with short hairs 
usually arranged in longitudinal rows. Leaves oval, obtuse or pointed, 
more or less wedge-shaped at the base, submembranots, nearly gia- 
brous, often ciliolate, rather paler beneath, 4-14 by }-3 in. subsessile 
or shortly petiolate, veins slender ; stipules with a short broad sheath 
and about 5 short sete equalling or rather longer than it. Flowers 
white, very small, several together, verticillate, in small dense axillary 
and terminal clusters; bracteoles slender-subulate, nearly as long as 
the ovary. Calyx-tube glabrous; teeth 2, obtusely subulate, nearly 
glabrous, as long as the ovary ; the 2 other teeth minute or obsolete ; 
limb ciliolate. Corolla-tube very short. Anthers included. Style 
very short, with 2 short arching branches.—Borreria ramisparsa, DC. 
1. c.; S. ocymoides, Baker Fl. Maurit. p. 159; vix Burm. 
Upper Guinea. Sierra Leone, Afzelius! Island St. Thomas, G. Don! Sene- 
gambia, Heudelot ! Bidjem ! Quorra, Th. Vogel! Onitsha, Barter ! 
A common tropical weed, occurring also in the Mascarene Islands. 
_ 18. S. Ruelliw, DO. Prodr. iv. p. 554. A hispid-hirsute herb 
with ascending 4-sided branches. Leaves narrowly elliptical or st 
linear, apiculate, sessile, scabrid above, somewhat hispid-hirsute & 
neath, 3-3 by 3-2 in., midrib and lateral veins slender. depressed on 
the upper surface ; stipules with very short sheath and about 7 slender 
setee of 4} in. Flowers small, several together, verticillate 10 the 
axils and terminal, overtopped by the leaves of the abbreviated axil- 
lary shoots; clusters sessile; bracteoles subulate. Calyx with 4 hir- 
sute teeth, 2 teeth lanceolate (longer than the ovary), persistent, oppe- 
site the cocci, the other 2 teeth shorter than the former pair, 8u5U 
or lanceolate. Corolla white, salver-shaped ; tube equalling’ the 
longer calyx-teeth.—Cfr. S. palmetorum, DC. 1. ¢. p. 553 et Diodia 
scabra, Schum. et Thonn. Beskr. Guin. PI. p. 76 (1827). 
r 
Upper Guinea. Sierra Leone, Afzelius (Herb.)! Smeathman ! Th. Voge 
Morson! Barter! Senegambia, Perrottet et Leprieur, Heudelot! Dahomey, ar el ! 
Abbeokuta; Dr. Harrison! Niger Expedition, Barter? Ansell! Quorra, 1h. Voge” 
Acera, Th. Vogel! G. Don! Guinea, Thonning. 
North Central. Bakel, Leprieur ex DC. 
