FLORA OF ADEN. 
256 
Cymes lax, subelongate ; bracts linear, persistent ; pedicels very- 
short. Sepals inch long, oblong, pilose. Corolla i- — J inch long ; 
tube cylindric, slightly shorter than the calyx, contracted at the apex, 
pilose externally ; petals reddish. Anthers on short filaments. Style 
included in the tube ; stigma elongate-conic. 
Locality : — On a rocky slope of the Shum Shum Kange (Ellenbeck 
n. 126). Endemic in Aden. 
Note : — “ H. adenense Giirke is nearly allied to H. strigosum (Forsk.) 
Willd. and seems to approach H. albo-hispidum Baker Kew-Bull. 
1895 p. 220 which occurs in Somaliland. Not long ago two species 
from Hadramaut have been described, viz . H. congestion Baker and 
H. drepanophyllum Baker, from which II. adenense is chiefly distin- 
guished by its lax and erect inflorescence/'’ Krause 1. c. 
We had no opportunity of seeing the type-specimen of this species, 
and the London herbaria do not contain any specimen corresponding to 
the above description. 
7. Heliotropium undulation Vahl Symb. I, 13; DC. Prodr. IX, 
536 ; Boiss. FI. Or. IV, 147; Hook. FI. Brit. Ind. IV, 150; Schmidt 
Beitr. FI. Cap. Yerd. Ins. 225 ; Hiern in Cat, Afr. PI. Welw. I, 718. 
Heliotropium crispum Desf. Fi. Atlant. I, 151, t. 41. 
Heliotropium persicum Lam. Encvcl. Ill, 94 ; DC. 1. c. 537 : Boiss. 
FI. Or. IV, 147. 
Heliotropium persicum Burm. Ind. p. 41, tab. 29. 
Heliotropium ramosissimum Sieber exsicc. Aegypt. ; DC. 1. c. 536. 
Heliotropium eriocarpum Del. in Lehm. Asper. 55. 
Heliotropium nubicum Bunge in Bull. -Soc. Nat. Mosc. vol. 52, 1, 
p. 330. 
Heliotropium cressoides Franch. Sert. Somal. 46. 
Heliotropium marocanum Lehm. Asper. 56. 
Lithospermum hispidum Forsk. FI. Aegypt. -Arab. 38. 
Arabic name : — Ssga tf a. 
Description .* — Perennial, much-branched. Stem slender, suberect, 
densely clothed with white bulbous-based bristles. Leaves seabrid on 
both surfaces, undulate, the upper lanceolate, sessile, the lower oblong, 
tapering into a short petiole, up to 2^ inches long and 7 lines broad. 
Spikes many, short, dense, ebracteate. Calyx 1 line long, hairy outside ; 
lobes 5, oblong, truncate, as long as the tube. Corolla 1| lines long ; 
tube slightly inf ated near the middle ; lobes short, rounded, much undu- 
lated. Stamens inserted about half-way up the corolla-tube; anthers 
lanceolate, acute. Style short, thick, globrous ; stigma conical. 
