Pycnocoma. | CXXII, EUPHORBIACE (PRAIN). 957 
clustered towards the ends of the twigs, very shortly petioled, coriaceous, 
oblanceolate-oblong, acute or obtuse, narrowed from the middle to the 
acute base, margin shortly toothed in the upper half, 3-7 in. long, 
?-2 in. wide, glabrous on both surfaces; petiole 4-} in. long. Racemes 
spike-like, floriferous almost to the base, from the axils of the upper 
leaves; rhachis puberulous; bracts ovate, obtuse, concave, densely silky 
externally ; pedicels shorter,than the calyx, pubescent. Male: Sepals 3, 
ovate-triangular, 4 in. long, yellowish-white. Stamens numerous; fila- 
ments slender, + in. long. Female: Sepals 5-6, \indistinguishable from 
the bracts under the male flowers, ovate, obtuse, densely silky externally, 
glabrous and purple within, } in. long. Ovary 3-celled, densely villous, 
each cell with two short dorsal ridges; styles 3, puberulous, free almost 
to the base. Capsule not seen. 
Lower Guinea. Angola: Ambriz; between Ambriz and Quizembo, Wel- 
witsch, 476! Socolla Nudui, Gossweiler, 1623! Loanda; Umbella, near Funda, 
Gossweiler, 4910 ! 
2. P. littoralis, Pux in Engl. Jahrb. xix.100. Shrub 10 ft. high, 
or sometimes a tree ; branches slender, woody. Leaves both clustered 
at the ends of the twigs and scattered or subverticillate lower down, 
shortly petioled, thinly coriaceous, obovate-oblong, obtuse or subacute, 
narrowed from beyond the middle to the acute base, margin shortly 
crenulate except in the lower fourth, 4-6 in. long, 14-3 in. wide, 
glabrous on both surfaces; petiole }-4 in. long. Racemes spike-like, 
floriferous almost to the base, from the axils of the upper leaves; rhachis 
densely pubescent ; bracts ovate, obtuse, concave, densely adpressed- 
silky externally ; pedicels very short, pubescent. Male: Sepals 3, ovate- 
triangular, under } in. long. Stamens numerous ; filaments slender, 
+ in, long. Female: Sepals 5, silky externally, ovate, obtuse, not reflexed, 
2 in. long. Ovary 3-celled, densely velvety, each cell with two short 
dorsal ridges; styles 3, densely pubescent, short, connate in their lower 
half, Capsule distinctly 6-winged, thick-walled, woody, apparently 
indehiscent, 3 in. across. Seeds spherical, } in. across.—Pax in Engl. 
Pl. Ost-Afr. C. 239. 
Nile Land. British East Africa: coast between Mombasa and Lamu, Whyte / 
Mozamb., Distr. German East Africa: Tanga; Kwamarimba-Ngomeni, 
Braun, 1800! Bagamoyo, Hildebrandt, 1300! Stuhlmann, 18! Sacleuw, 1492! 
Braun’s specimens are said to be from a considerable tree. 
3. P. Thonneri, Pax in De Wild. & Durand, Contrib. Fl. Congo, 
D1, Shrub, 2-3 ft. high; branches rather slender, woody. Leaves 
clustered at the ends of the twigs, long-petioled, thinly coriaceous, 
rhomboid, trapeziform or ovate, acute or subacute, abruptly narrowed in 
the lower third to an acute base which passes into a winged petiole, 
margin undulate, sometimes slightly (rarely very distinctly) 3-lobed and 
minutely and obscurely toothed, 8~12 in. long, 4-6 in. wide, glabrous 
on both surfaces and minutely puncticulate beneath ; petiole below the 
Wing 4-4 in, long. Racemes floriferous almost to the base, from the 
axils of the upper leaves; rhachis densely pubescent; bracts ovate, 
