456 LXIX, RUBIACEA, [Heinsia 
dark-ashy towards the base; branches opposite ; leaves obovate- 
oblong or broadly oblanceolate, cuspidate pointed or rounded at 
the apex, wedge-shaped towards the unequal base, dull green 
above, paler and silky-tomentose beneath, rather thick but not 
coriaceous, 22 to 44 in. long by 1 to 13 in. broad ; lateral veins 
numerous, clothed with dense spreading hairs beneath ; petiole 
1 to 2 in. long; stipules ovate-lanceolate, gradually long- 
acuminate, exceeding the petioles, undivided ; flowers fragrant, 
white, axillary, solitary, 2 to 3 in. long; peduncles an inch long ; 
calyx obconical, herbaceous-green, sub-costate, nearly an inch long ; 
limb much exceeding the tabe, 5-partite, the segments erect-spread- 
ing, linear-spathulate or lanceolate, acute, a little unequal, 3 in. 
long or rather longer, furnished inside at the base with subulate 
coloured glands; corolla salver-shaped; tube cylindrical, much 
exceeding the calyx-limb, about 2 in. long, densely tomentose 
outside, sparingly pilose or almost naked inside, its limb 5-partite, 
the lobes lanceolate, acute, spreading at the time of the flower, 
about 2 in. long, imbricate in the bud; throat pilose ; anthers 
included, subsessile, linear, nearly 3 in. long, subulate, acute at 
the apex, dorsifixed, inserted a little below the corolla-throat ; 
disk epigynous, elevated; ovary 2-celled; cells with indefinite 
ovules ; placentas adnate to the septum. 
Pungo Anponco.—In dense forests, on a ferruginous-sandy soil, 
at the base of the mountains of Serra de Pedras de Guinga, near 
Candumba ; fl. Jan. 1857. No. 3084. 
15. BERTIERA Aubl. ; Benth. & Hook. f. Gen. Pl. ii. p. 77. 
1. B. macrocarpa Benth. in Hook. Niger Fl. p. 394 (1849) ; 
Hiern in Oliv. Fl. Trop. Afr. iii. p. 84. 
Prince’s Istanp.—A small tree or arborescent shrub, 6 to 10 ft. 
high; trunk straight; branches patent; leaves coriaceous, rather 
glossy ; flower-buds from whitish to slightly rosy. In dense rather 
elevated forests, on the way towards Pico de Papagaio, sporadic ; 
young fl. Sept. 1853. No. 3086. 
16. DICTYANDRA Welw. ex Benth. & Hook. f. Gen. Pl. ii. p. 85. 
1. D, arborescens Welw., /.c.; Hiern in Oliv. Fl. Trop. Afr. iii. p. 86, 
GoLtuneo ALTo.—A considerable tree of 15 to 35 ft. high in the 
primitive forests, but in the secondary woods a stout shrub of 8 to 12 
ft.; trunk dark grey; trunk sometimes attaining 2 to 24 ft. in 
diameter; timber used for hut-building ; branches opposite, widely 
spreading, very much elongated and leafy ; branchlets compressed 
tetragonal ; leaves evergreen, chartaceous-coriaceous, rigid, black-green 
on both faces or rather paler beneath ; nerves impressed ; stipules 
sheathing, ovate, gradually acuminate from a very broad base, per- 
sistent ; flowers rigidly coriaceous ; calyx herbaceous-green, campanu- 
late at the time of the flower, its lobes glandular at their base, the 
glands cylindric-subulate, erect, black, grouped two or three together ; 
corolla herbaceous-green outside, canescent, salver-shaped, the lobes of 
the limb quickly inflected, convolute at their margins, greenish-yellow 
inside, the tube turning milk-white, naked inside, a little dilated 
towards its base, inserted between the calyx-throat and the thick milk- 
