Barbeya.] CXXIIIl4, BARBEYACEH (Rendle). 15 
Sepals united only at the base, slightly imbricate, accrescent. 
Staminodes absent. Ovary superior, of one carpel. shortly stalked, 
1-celled ; ovule solitary, pendulous from just below the apex of the 
cell, anatropous, apparently with a single integument ; style short, 
terminal, expanding into a flattened linear-oblong stigma, papillose 
on the ventral face. Fruit shortly stalked, dry, indehiscent, ellipsoid ; 
pericarp thinly leathery. Seed with a membranous testa conforming 
to the pericarp, and a longitudinal dorsal raphe; embryo straight ; 
cotyledons equal, flattened face to face, fleshy, oily ; radicle short, 
superior; plumule very small.—A tree; leaves shortly stalked, 
opposite-decussate, simple, entire, somewhat leathery, penninerved, 
exstipulate. Flowers small, in axillary, generally ebracteate cymes. 
A single genus, Barbeya, with one species, in the middle and upper regions 
of the mountains of Arabia Felix, and North Abyssinia. 
1. BARBEYA, Schweinf. 
1. B. oleoides, Schweinf. in Malpighia, v. 332, tt. 24-25. Asmall, 
tree, 17-26 ft. high, with a trunk 10 in. in diam., bark thick, dull red ; 
branches slender, somewhat pendulous, greyish brown, young shoots 
bearing a dense whitish pubescence which becomes ferruginous 
towards the tips. Leaves distichous through twisting of the inter- 
nodes, lanceolate or linear-lanceolate, apex acute, apiculate, some- 
times cuspidate, base blunt to rounded, margin slightly revolute, 
1-2} in. long, 3-7 lin. wide, green, glabrous and somewhat polished 
above, clothed beneath with a grey-white tomentum which is rufescent 
in the young leaf; midrib prominent beneath; veins 6-7 on each 
side, spreading, obscure. Male flowers in small few-flowered sub- 
sessile cymes about } in. long and densely ferruginously pubescent ; 
pedicel 13-24 lin. long; perianth divided for three-quarters of its 
length or more, 1} lin. long; segments 3-4, ovate or elliptic, 3- 
nerved ; female flowers generally in sessile simple 3-flowered cymes ; 
pedicels slender, 344 lin. long, densely pubescent like the back of 
the perianth; segments 3-4, as long as the pedicel, narrowly oval 
or oval-oblong, 3-nerved and reticulately veined on the inner face. 
Ovary 1 lin. long; stigma equal to or exceeding the ovary in length. 
Sepals in fruit thinly membranous, oblong-elliptic, delicately veined, 
glabrescent, 5-8 lin. long. Fruit glabrous, somewhat antero-post- 
eriorly compressed, apex obliquely acute, 4-4} lin. long, with a 
dorsal line and a well-marked ventral suture.—Schweinf. in Bull. 
Herb. Boiss. iv. App. ii. 117; Engl. in Engl. & Prantl, Pflanz- 
enfam. Nachtr. zu ii—iv. 119: Almagia in Ann. R. Istit. Bot. 
Roma, viii. 119; Fiori, Boschi e Piant. Legn. Eritrea, 112. 
Nile Land. Eritrea: various localities, Schweinfurth, 171, 172! 621, 622! 
1189! 1190! 1671! 2157! Pappi, 183, 3750; Terracciano & Pappi, 224, 
380, 645, 744, 1743. 
Also in Arabia. 
