508 LXIX. RUBIACES. [Tardavel 
long, crowned with one or both of the somewhat accrescent calyx- 
lobes, 2-celled, 2-seeded ; seeds semi-ellipsoidal, furrowed on the 
inner face. 
Houritia.—In pastures amongst low bushes near Lopollo ; fl. Jan. 
1860. In dry pastures amongst low bushes near Humpata, at the 
confluence ; fr. April 1860. No. 5834. 
This species differs from its allies by its perennial root. 
11. T. verticillata. 
Spermacoce verticillata L. Sp. Pl., edit. 1, p. 102 (1753) maxima 
parte. S. globosa Schum. & Thonn. in Dansk. Vidensk. Selsk. iii. p. 93 
(1828); Hiern, Z.c., p. 240; Borreria Kohautiana Cham. & Schlecht. 
in Linnea iii. p. 311 (1828) ; Schmidt, Beitr. Fl. Cap. Verd. Ins. 
p. 210 (1852). 
CaPE DE VERDE IsLANnDs.—St. Jago, fl. and fr. Jan. 1861. No. 3247. 
Sierra LEONE.—FI. and fr. Sept. 1853. No. 3246. 
47. GALIUM L. ; Benth. & Hook, f. Gen. Pl. ii. p. 149. 
1. G. productum Lowe in Trans. Camb. Phil. Soc. iv. p. 29 
(1833), and Man. Fl. Madeira i. p. 391 (1868). 
IsLaAND OF MapErra.—At the borders of neglected fields between 
Funchal and Camara dos Lobos ; fl. and fr. August 1853. No. 3250. 
