788 Borraginaceae. 
N.d. D. 1. D. a. sept. D. a. mer. Often a common plant on 
waste places, on way sides and in the desert. 
Local name: halaime. 
Also known from Arabia to India and Persia. 
443. (3.) Trichodesma R. Br. 
Calyx deeply 5-lobed, accrescent; lobes finally rounded or cor- 
date at the base. Corolla-tube short; throat naked; lobes 5, broad 
or narrow; sinuses often incurved. Stamens 5, inserted at the 
throat of the corolla-tube; filaments very short, flattened; anthers 
linear, connivent with the connective more or less produced above 
the cells and often spirally twisted. Ovary 4-lobed, ovoid; style 
long, subulate; stigma small; ovules nearly horizontal. Nuts 4, 
ovoid, triquetrous on the inner face, by the lower part of which 
they are attached to the broad receptacle, often margined, smooth 
or tubercled on the back. Seeds subglobose or obovoid, horizontal 
or pendulous; embryo straight or rather curved; cotyledons plano- 
convex; radicle short. — Erect herbs, often bristly and tubercled. 
Leaves alternate or subopposite. Flowers in terminal cymes, blue 
or white. 
Species about 15, also Tropical African, Asiatic, and Australian. 
AG Weaves cuneate: at thesbase’s,.. sso japene s 1. T. africanum. 
‘By leaves truncate at ohne base ss seer) ee 2. T. Ehrenbergii. 
1100. (1.) Trichodesma africanum (L.) R. Br. Prodrom. (1810), 
p- 496. — Boiss. Flor. Or. IV, p. 280. — DC. Prodrom. X, p. 173. 
— Aschers.-Schweinf. Ill. Flor. d’Eg., p. 111 no. 749. — Sickenberg. 
Contrib. Flor. d’Eg., p. 261. — Lehm. Plant. Asper., p. 195. — Borrago 
africana Linn. Spec. Plant. I, p.197. — Borrago verrucosa Forsk. 
Flor. aeg.-arab., p.41. — Pollichia africana Medic. Bot. Beobacht., 
p. 248. — Borraginoides aculeata Moench Method., p. 516. — Bora- 
ginella africana O. Ktze. Rev. Gen. Plant. I, p.435. — An annual. 
Stems erect, branched, up to 1 m high, furnished with scattered 
rigid white bulbous-based hairs. Leaves opposite or alternate, ovate 
or ovate-oblong, acute, up to 10 by 5%/, em, with scattered white 
bulbous-based hairs on both surfaces, the uppermost sessile, the rest 
petioled. Panicle many-flowered, terminal; pedicels up to 10 mm 
long, covered (like the outside of the calyx) with stiff white hairs 
2mm long. Calyx-lobes lanceolate, 6—9 mm long at flowering 
time. Corolla scarcely exserted from the calyx, blue; throat yellow 
with 5 purple spots; lobes rounded, produced into an apiculus 2 mm _ 
long. Anthers lanceolate; awn nearly as long as the cells, twisted, 
