FLORA OF ADEN. 
813 
Var. Fauroti Franch. in Journ. de Bot. I, 134. 
Halothamnus Bottse Jaub. et Spacn, III. PL Orient. II, 50, t. 136. 
Caroxylon Bottse Moq. in DC. Prodr. XIII, II, 178. 
Description : — A much-branched glabrous shrub, branches patent, 
3 — 7 inches long, virgate, pinnately branched. Leaves few, minute, 
fleshy, shortly deltoid, adpressed, keeled. 
Flowers spaced out on the branches, sessile ; bracts 3, ovate, concave, 
hyaline-margined. Perianth-segments 5, persistent, lanceolate, 2 lines 
long, | line wide, very dark brown, hyaline-margined. Filaments short ; 
anthers sagittate, about 1 line long, with a short apical appendage. 
Ovary ovoid ; style shortly subulate; stigmas 2, subulate, divergent. 
Wings of fruiting perianth inserted below the middle of the segments, 
3 outer larger, 2 lines long, nearly 3 lines wide, flabellate, 2 inner slightly 
shorter and about half the width of the outer. 
Mowers : — April 1878 (Perry), Dec. 1888 (Schweinf.). 
Fruits : — Jan. 1880 (Balfour), April 1878 (Perry), Dec. 1888 
(Schweinf.) . 
Locality .-—Southern slope of Shum Shurn Range, above the well of 
Shaikh Idris, in sandy places and on debris of volcanic rocks (Schweinf.); 
Koosaf Valley, ravine west of the Tower of Silence, crater of Shum 
Shum Range (DefL); without locality (Balfour, Perry). 
Distribution : — S. Arabia, Somaliland. 
Note: — Defiers'’ specimens differ considerably as regards their habit 
from the type-specimen in the Paris Museum. The branches are much 
more slender and less spreading. As to the rest they agree perfectly 
with the detailed description given by Jaubert and Spach. 
2. Salsola Forskalii Schweinf. in Bull, Herb. Boiss. IV, Append. 11. 
160 ; This.-Dyer FI. trop. Afr. VI, 91. 
? Caroxylon imbricatum Moq. in DC. Prodr. XIII, 2, 177. 
? Salsola imbricata Forsk. FI. Aeg.-Arab. p. 57, N. 90, et Io. t. 8, fi«\ 
c. 
Arabic Name: — -Harm (Schweinf.). 
Description :■■ — A glabrous shrub. Branches erect, much divaricate, 
white, slender, § — 1 foot long, ^ — yV inch thick ; branchlets hard, very 
slender, almost horizontally patent, quite straight, white pubescent at 
the apex. Leaves in small, imbricate, globose glomerules spaced out on 
the branchlets, minute, ^ inch and less in diameter, hemispherical, mem- 
branous at the edge, puberulous at the apex. 
Flowers solitary, axillary, bracteoles triangular-hemispherical, cucul- 
late, thickened in the centre of the back, membranous at the edge, ciliate 
towards the base; wings inserted at the centre of the back, membranous. 
