Recently experiments were carried out in the extraction of fibre from _Hibiscus esculentus_, the “okra” of tropical countries. A specimen of the fibre having been examined at the Imperial Institute and favourably reported upon (_ibid._ p. 35), a plantation was made at Kangahun, in order to endeavour to produce a crop, which should have the additional advantage of yielding a marketable supply of the vegetable okra pods before being cut down and made into fibre. In order to do this, the seed was sown at close intervals, thereby introducing a straight growth of stem, and care was exercised not to permit the fruiting to continue long enough for the stems to become coarse. The fibre was extracted in the same manner as that of jute, except that the stems were immersed in a solution of caustic soda before retting to remove the thin outer bark. The marketed fibre from the first of these experiments realised an unsatisfactory price, but it was estimated that the crop of pods yielded £3 per acre. _Corchorus capsularis_, one of the Indian jutes, was introduced and planted out in 1906, but the existing native methods of cultivation and the absence of manure rendered the conditions so different from those obtained in India, that a successful result was not brought about. Two species of Corchorus are found in the country, and are used only as vegetables. =Ramie Fibre.=—Plantations of Ramie fibre or China grass were recently made in various parts of the Protectorate, but although the plant grows well during the rainy season, the long period of dry weather is detrimental to it. =Piassava.=—This fibre is produced from the sheath of the leaf stem of _Raphia vinifera_, the wine palm, and is prepared at several places, especially in the swampy districts near the coast. The method of extraction is merely that of steeping and beating out, and the resulting fibre is, in appearance, somewhat similar to fine whalebone. The largest amount was exported in 1915, when the figure reached 1,283 tons. The price in this year attained £61 per ton. The fibre is chiefly employed for the manufacture of stiff brooms. =COTTON.=—The native cotton of Sierra Leone showed promise, at one time, of great development, but insurmountable difficulties met the efforts of the British Cotton Growing Association in their attempt to establish cotton growing for export upon a large scale.