62 
Annals of the Transvaal Museum 
Tall tree, outer bark rough, inner bark of a reddish colour. Branches 
terete, glabrous, with ridged bark and prominent yellowish lenticels. Leaves 
alternate, exstipulate, subsessile, glabrous, glossy on upper side, a little lighter 
at the back, densely pellucid-dotted, entire, lanceolate-oblong, 5-10 cm. long, 
i' 5~ 2 ‘5 cm. broad, broadly-acute, attenuate to the base, veins inconspicuous, 
midrib prominent at the back. 
Flowers solitary, small, greenish, on short, stout peduncles in the axils of 
the leaves; peduncle 2 mm. long with prominent scars of the deciduous, broad- 
based bracts. Calyx persistent; sepals 3, overlapping, roundish, 2 mm. long, 
3 mm. broad, glabrous pellucid-dotted, shortly ciliate on the margin. Outer 
petals 5, glabrous, pellucid-dotted, rather thick, obovate, concave, 5 mm. long^ 
3 mm. broad; inner petals 5, much thinner and lighter of colour, glabrous, 
pellucid-dotted, spathulate, 4 mm. long, 1-5 mm. broad. Staminal tube over- 
topped by the inner petals, 3 mm. long, crenulate at the top; stamens 10; 
anthers sessile on upper part of tube, 1*5 mm. long, opening to the outside 
with longitudinal slits. Pistil enclosed in staminal tube or just protruding, 
glabrous, fimbriate at the top; ovary oblong-ovate; stigma subsessile, sub- 
capitate, truncate; placentation parietal, placentae 5, ovules in single rows. 
Young berry roundish, attenuate to the base; skin blackish-green, leathery, 
wrinkled, full with glands, 10 mm. diam. 
This new species of Warburgia is nearest W. ugandensis Sprague, but the 
flowers are solitary and the ovules in one row on the placentae. It was dis- 
covered by Dr H. G. Breyer on the Letaba expedition of the Transvaal Museum, 
July, 1917. The species is named in honour of the collector. The native name 
of this tree is " Shibaha.” The inner bark has a bitter, pungent taste. It is one 
of the Fever-trees of the low- veld, as the natives use the bark as a remedy 
against malaria fever; they hold the shibaha in great esteem. Scientific in- 
vestigation will soon show whether it really possesses anti-malarial properties 
or not. 
Anatomy. The cork-cells have rather thin walls. Oil-cells are found in 
the palisade and spongy tissue of the leaf and in the cortex, phloem and pith 
of the stem. Rosette crystals are plentiful in cortex and phloem. The wood 
is composed of tracheids with distinct bordered pits and scalariform vessels. 
The many medullary rays are 1—2 cells broad. Petiole with 3 fascular bundles” 
The above-stated characteristics agree well with those given for the family 
of Canellaceae in Engler and Prantl’s Naturliche Pflanzen-familien, p. 315, 
hi Teil, vi and vi a Abteilung. 
CAMBRIDGE! PRINTED BY J. B. PEACE, M.A., AT THE UNIVERSITY PRESS. 
