above, with minute prominent tubercles, downy beneath. Stipulæ none. Flowers numerous, in solitary terminal erect umbels, without involucra. Flower-stalks simple, round, thickly clothed with reddish brown hairs. Corolla clothed externally with the same coloured hairiness as the flower-stalks, and internally with white; its four segments cohere together, so that their four cells form one common cavity, destitute of hair, and of a brown colour, in which stand, in the form of a star, the four yellowish antheræ, each of two cells. Germen oval, with a gland at its base, very hairy, as is the style; stigma lateral, a little below the pointed apex of the style, prominent, blackish, not hairy, rugged. Follicle ovate, gibbous, black, covered with white hair. Seeds two, each attached by a very short wing.
EXPLANATION of TAB. X.
1. A Flower separate. 2. The same with the segments of its Corolla forcibly divided. 3. Anthera. 4. Pistillum. 5. Gland at the base of the Germen. 6. Ripe Fruit. 7. A Seed.