FLORA OF ADEN, 
288 
in each cell, erect from the base of the cell : style filiform : stigma sub- 
2-lobed. 
Fruit usually shorter than the calyx and enclosed in it, separating 
into two elongate-oblong 1 -seeded pyrenes. 
Species about 25. 
Distribution Tropical and S. Africa, Tropical America, India. 
Capsule not winged at the apex . . . . . 1. B. marrnbiifolia. 
Capsule winged at the apex . . . . . . 2. B. pterygocarpa. 
1. Boucliea marrubiifolia (Fenzl.) Schauer in DC. Prodr. XI, 558 ; 
Anders. Journ. Linn. Soc. V, Suppl. p. 28 ; Hook. FI. Brit. Ind. IV, 564 ; 
This. -Dyer FI. trop. Afr. V, 282. 
Chascanum marrubiifolium Fenzl. in Kotschy PI. Nnb. n. 32. 
Stachytarpheta cernua Br. in Salt. Abyss. 
Description:— A much-branched woody perennial herb ; stems and 
branches pubescent. Leaves J by § — 1 inch, broadly ovate or 
suborbicular, coarsely toothed, pubescent on both sides, strongly nerved 
and rugosely reticulately veined, base truncate or shortly cuneate ; 
petioles \ — f inch long. 
Flowers sessile, in nearly continuous spikes reaching sometimes 8 
inches long, closely appressed to the pubescent rhachis ; bracts J i 
inch long, lanceolate, pubescent, with scarious ciliate margins. Calyx 
tubular, \ | inch long, densely pubescent, 5-ribbed, ultimately split- 
ting down one side, truncate at the top, the teeth very minute. Corolla 
glabrous outside ; tube slender, ^ inch long, slightly enlarged below the 
limb ; limb L inch across ; lobes 5, rounded, spreading. Filaments 
slender, glabrous. Ovary and style glabrous. 
Fruit i inch long, enclosed in the calyx, rounded at the apex, con- 
sisting of 2 oblong glabrous pyrenes. 
Flowers and fruits: — January 1863 (Oliver & Cl.), March 1878 
(Perry), May 1873 (Hildebr.), Nov. 1888 (Schweiof.), Dec. 1847 
(Hooker), Dec. T889 (Defl.). 
Locality: — Plain of Maala (Defl.); gravelly slope of Shum Shum 
Kange (Ellenbeck) ; in the plains (Hook., Anders.) ; without locality 
(Birdw., Hildebrandt, Perry, Oliver & Cl.). 
Distribution .-—Egypt, Nubia, Kordof an, Abyssinia, S. Arabia, Sind. 
2. Boucliea pterygocarpa (Fenzl.) Schauer in DC. Prodr. XI, 558; 
A. Rich. Tent. FI. Abyss. II, 166 ; This.-Dyer FI. trop. Afr. V, 282. 
Chascanum Letum Fenzl. in Kotschy PI. Nub. n. 230. 
Description : — A much-branched perennial herb. Stems clothed with 
short white pubescence. Leaves ovate, obtuse, deeply toothed, 1 — 1J 
