2 84 
FLORA OF ADEN. 
Distribution: — Nearly all African, many in South Africa, a few 
extending through Arabia and the Oriental Region to India. 
1. Blepliaris edulis (L.) Pers. Syn. II, 180 ; Anders. Journ. Linn. 
Soc. V, Suppl. p. 28; Hook. FL Brit,. Ind. IY, 479; Oliv. Trans. 
Linn. Soc. XXIX, 128 ; This. -Dyer FI. trop. Afr. Y, 102 ; Boiss. FL 
Or. IV, 520. 
Ruellia ciliaris L. Mant. p. 89. 
Acanthus edulis Forsk. FI. Aeg.-Arab. p. 114; Vahl. Symb. I, 48. 
Ruellia persica Burm. FI. Ind. p. 135, t. 42, fig. 1. 
Acanthus imbricatus Edgew. Journ. As. Soc. Beng. XVI, 1217. 
Acanthus Delilii Spreng. Syst. II, 819. 
Acanthodium spicatum Del. FI. d^Eg. p. 97, tab. 33, fig. 3. 
Arabic names: — Sogaf, Soghaf, Chaferab. 
Description : — Grey pubescent or nearly glabrate. Stem short, rigid, 
branched. Leaves in fours at the sterile nodes ; upper pair 2 by £ inch, 
oblong or narrow-elliptic, sessile, spinous-margined ; lower pair smaller 
but similar. 
Inflorescences strobilate, up to 4 inches long, sometimes short; 
bracts 1 — 1| inches long, ovate, acuminate, recurved, spinous, puberulous,, 
more or less hairy on the nerves without when young ; braoteoles linear, 
J \ inch long. Posticous calyx-segment J — § inch long, broadly ovate, 
very hairy ; 2 inmost calyx -segments — J inch long. Corolla § inch 
long or rather more, blue. 
Capsule i inch long or rather more, 2-seeded. 
Flowers: — January 1863 (Oliver & Cl.), March 1878 (Perry), 
March 1850 (Madden), April 1861 (Thomson), April 1894 (Lunt), 
December 1847 (Hooker). 
Fruits: — January 1863 (Oliver & Cl.), March 1878 (Perry), April 
1861 (Thomson), April 1894 (Lunt), December 1847 (Hooker). 
Locality : — Crater of Shum Shum Range, between the Koosaf 
Valley and the Flag-Staff (Defl.) ; gravelly slope of Shum Shum 
Range (Ellenbeck) ; along the path leading to the top of the Shum 
Shum Range at about 650 feet (Busse) ; Wadi Maala (Schweinf.) ; 
Goldmore Valley (Lunt) ; great valley between Steamer Point and town 
(Marchesetti) ; in sunny valleys (Edgew., Hook., Madden, Anders.) ; 
without locality (Birdw., Zenker, Perry, Oliver and Cl.). 
Distribution: — Egypt, Sinai, Nubia Abyssinia, Kordofau, Kili- 
manjaro, Highlands of Somaliland, S., Arabia, S Persia, Baluchistan. 
2. Ruellia Linn, 
Herbs or undershrubs. Leaves opposite, subentire. 
