Craterispermam |] LXIX. RUBIACEA. 485 
34, CRATERISPERMUM Benth.; Benth. & Hook. f. Gen. 
Pl. ii. p. 112. 
1. C. laurinum Benth. in Hook. Niger Fl. p. 411 (1849) ; 
Hiern in Oliv. Fl. Trop. Afr. iii, p. 160. 
GoLuncGo ALTo.—A bush, 12 to 15 ft. high; trunk 2 to 3 in. in 
diameter at the base ; branches rather erect ; young fruit drupaceous, 
green. In the more elevated forests of Sobato de Quilombo ; unripe 
fr. midddle of July 1856. No. 3116. 
Puneo AnponGo.—An arborescent shrub, 5 to 8 ft. high ; branches 
elongated, as well as the branchlets somewhat drooping; leaves 
coriaceous ; stipules very broad, almost connate and truncate without 
a mucro, or sometimes rounded-obtuse and mucronate ; inflorescence 
like that of Tricalysia ; flower-buds green-whitish ; fruit crowned 
with the cup-shaped calyx-limb, minutely warted outside. In the 
small damp woods among the more elevated rocks within the presidium, 
sporadic ; fl. and fl-bud beginning of Nov. 1856. No. 3115. 
2. C. montanum Hiern, /.c., p. 162. 
IsLanD oF St. THomas.—Ieaves yellowish-green. Mucumbrara ; 
fl.-bud Dec. 1860. No. 3158. 
35. PAVETTA L. ; Benth. & Hook. f. Gen. Pl. ii. p. 114. 
1. P. angolensis Hiern, sp. n. 
A shrub, 2 to 5 ft. high, sometimes shaped like a miniature 
tree with spreading or deflexed-ascending branches, in other cases 
with twisted branches as if scandent, evergreen, glabrous or very 
nearly so; branchlets quadrangular, whitish, but towards the 
extremities green, somewhat compressed and leafy ; leaves opposite, 
obovate-elliptical, cuspidate or acuminate at the apex, wedge- 
shaped and often unequal at the base, thinly coriaceous, the 
blade 3 to 5 in. long by 1 to 2 in. broad, rather glossy, turning 
livid in the dried state; lateral veins 7% to 9 on each side of the 
midrib, starting at about 60°, slender, not conspicuous ; petioles 
ranging up to 2 in. long; stipules widely sheathing, almost 
retuse, the midrib keeled, projecting in a long mucro; flowers 
tetramerous, rather fleshy, snow-white, fragrant, very handsome ; 
$ to 1 in. long when expanded, exclusive of the midrib, subsessile, 
many together arranged in globular sessile terminal condensed 
capitate cymes; calyx ovoid, the limb deeply quadrifid; the 
segments elongated-subulate, erect’ in the flower, + in. long or 
rather longer, persistent; corolla glabrous, salver-shaped; tube 
slender, elongated, 2 to 3 in. long; limb deeply 4-cleft ; segments 
oblong-lanceolate, } to + in. long, shortly hooded-mucronulate at 
the tip, reflexed-spreading in full flower ; stamens 4, alternating 
with the corolla-lobes, inserted on its throat, exserted; filaments 
filiform, much shorter than the anthers ; anthers linear, 2-celled, 
dehiscing longitudinally, soon turning black, about } in. long ; 
disk thick, elevated, sub-tubular ; ovary included in and adnate 
to the calyx-tube, 2-celled; cells 1-ovuled; style cylindrical, very 
much elongated, 24 in. long, white, exceeding the corolla-tube by 
about 1} in., gradually terminating in the long-clavate stigma, 
