Pisonia. | CIY. NYCTAGINEX (BAKER AND WRIGHT). Wy) 
Schmidt in Mart. Fl. Bras. xiv. ii. 8354; Hook. f. Fl. Brit. Ind. iv. 711; 
Benth. Fl. Austral. iv. 279. 
Upper Guinea. (old Coast; base of hills near Akropong, Johnson, 806! 
Lagos ; Ollaro to Ajilite, Miller, 162 ! 
Mozamb. Dist. German East Africa; Kahe, near Kilimanjaro, 2000-3000 ft., 
Volkens, 2186! 
Perhaps introduced from Tropical America. 
4. PHHOPTILUM, Radlk. in Abhandl. Naturw. Ver. Bremen, 
vill. (1883), 439. 
Flowers polygamo-dicecious, without an involucre. Perianth caly- 
cine, funnel-shaped, cut to the middle into 4 (rarely 5) ovate spreading 
lobes, hairy outside. Stamens 8, shortly exserted, rudimentary in the 
female flower ; filaments filiform, connate at the base into a fleshy cup. 
Ovary shortly stipitate, obovoid, 1-celled, often with the rudiment of a 
second carpel; style filiform, exserted; stigma penicillate. Fruit 
enclosed in the indurated longitudinally 4-winged perianth-tube. Seed 
erect ; endosperm present ; embryo hooked. 
Monotypic. Also in South Africa. 
1. P. spinosum, Radlk. in Abhandl. Naturw. Ver. Bremen, vii. 
436. A spiny shrub. Branches ending in spines bearing crowded 
lateral branchlets, often converted into spines. Leaves fascicled, linear- 
cuneate, about 6 lin. long, rather thick, fragile when dry, glabrous, pale 
green. Flowers 14-2 lin. long, 2 lin. in diam, when expanded, in small 
‘fascicles from above the often fallen clusters of leaves; bracts narrowly 
oblong, 1-nerved, densely pilose. Fruit enclosed in the persistent calyx- 
tube (anthocarp), 6 lin. long, and (including the wings) nearly as broad. 
—Schinz in Bull. Herb. Boiss. v. App. iii. 68. P. Hetmerli, Engl. Jahrb. 
xix. 133. Nachtrigalia protectoratus, Schinz ex Engl. in Engl. Jahrb. 
xix. 133. Amphoranthus spinosus, 8. Moore in Journ. Bot. 1902, 305, 
t. 441, fig. A. 
Lower Guinea. German South-west Africa: Damaraland; on the southern 
Kaokafeld near Chorichan, Giirich, 20; Kamelneck, Giirich, 42, and without precise 
locality, Zen ! Hereroland, Fleck, 278 ! 
Also in extra-tropical Great Namaqnaland and Cape Colony. 
OrpER CV. ILLECEBRACEH. (By J. G. Baker, with 
additions by C. H. Wright.) 
Flowers regular, usually all hermaphrodite. Perianth herbaceous or 
finally coriaceous, persistent ; lobes or segments usually 5. Stamens 
usually 5, perigynous, often alternating with subulate or petaloid sta- 
minodes; filaments short, sometimes united at the base; anthers 
2-celled, dehiscing laterally. Ovary superior, sessile, 1-celled ; ovule 
usually solitary; style obsolete or produced; stigmas 2-3. Fruit 
usually a beats enclosed in the persistent perianth. Seed erect, or 
