302 
FLORA OF ADEN . 
of the Messag. Marit. in rocky places (Schweinf.); ravine west of the 
Tower of Silence (Dell.) ; near the tanks, top of Shum Shum Range 
(Bnsse) ; upper end of the great valley between Steamer Point and 
town (Marchesetti) ; in sandy places (Hook., Anders.); without locality 
(Hildebrandt, Birdw., Lunt) ; “on a large tree about 8 feet high and 
spreading” (Perry). 
Distribution : — Yemen, Hadramaut near Sibeh. 
3. Aerua Forsk, 
Herbs or undershrubs, erect, prostrate or climbing. Leaves alternate, 
or opposite, or fascicled. 
Flowers hermaphrodite or polygamous in simple panicled spikes ; 
bracts and 2 bracteoles small. Perianth 5- (rarely 4-) lobed ; sepals equal 
or the outer broader, all or only the three inner woolly, Stamens 5 
(rarely 4) ; filaments connate, with short or long intervening staminodes, 
in a short hypogynous cup ; anthers 2-celled. Ovary ovoid or subglobose, 
1 -celled; ovule solitary, pendulous from a long basal funicle ; style 
simple, short or long ; stigma capitellate, or stigmas 2. 
Fruit a membranous utricle or circumscissile capsule with coriaceous 
crown. Seed inverse; testa coriaceous; embryo annular, surrounding 
floury albumen ; cotyledons linear ; radicle superior. 
Species 10. 
Distribution :• — Warmer parts of Africa and Asia. 
Flowers unisexual, usually dioecious, sessile in linear or 
oblong spikes 1—6 inches long forming panicles . . 1. A. tomentosa. 
Flowers unisexual, often bisexual in small dense axillary heads 2. A. lanata. 
1. Aerua tomentosa Forsk. FI. Aegypt.-Arab. CXXII and 170 ; This.- 
Dyer FI. trop. Afr. YI, 37. 
Aerua segyptiaoa Gmel. Syst. Nat. 1026. 
Aerua incana Mart, in Nova Acta Nat. Cur. XIII (1826) 291. 
Aerua javanica Wight Ic. t. 876 ; Hook. Niger FI. 492; Hook. FI. 
Brit. Ind. IV, 727 ; Boiss. FI. Or. IY, 922 ; A. Rich. Tent. FI. Abyss. II, 
214; Moq. in DC. Prodr. XIII, II, 299 ( partim ); Garcke in Peters Reise 
Mossamb. Bot. 504 ; Anders. Journ. Linn. Soc. Y, Suppl. p 31; T. 
Thomas in Speke Nile Append. 646; Oliv. in Trans. Linn. Soc. XXIX, 
141 ; Engl. HochgebirgsfL Trop. Afr. 207 ; Schinz in Engl. & Prantl 
Pflanzenfam. Ill, la, 109, in Engl. Pfl. Ost.-Afr. C. 173 ; Aschers. in 
Schweinf. Beitr. FI. Aethiop. 174, (not of Juss.). 
Celosia lanata L. Sp. PI. ed 1, p. 298. 
Iresine persica Burm. FI. Ind. 212, t. 65, fig. 1. 
Aerua Bovii Fdgew. in Journ. Linn. Soc. YI, 206, 
