. A descriptive catalogue of useful fiber plants of the world, including the structural and economic classifications of fibers. Fibers. DESCRIPTIVE CATALOGUE. 303 Spear Lily (Vict.). Doryanthes excelsa. Sphaeralcea cisplatina. This genus of Malvaceae is closely allied to Malva, and includes a number of trop- ical American species. S. cisplatina, the fiber of Malvalisco, is in Brazil to a slight extent. S. umbellata is a Mexican species, known in Australia as the Globe mallow. Guilfoyle states that its bast yields silky fiber, useful for cordage. Sphagnum spp. A genus of mosses, essential
. A descriptive catalogue of useful fiber plants of the world, including the structural and economic classifications of fibers. Fibers. DESCRIPTIVE CATALOGUE. 303 Spear Lily (Vict.). Doryanthes excelsa. Sphaeralcea cisplatina. This genus of Malvaceae is closely allied to Malva, and includes a number of trop- ical American species. S. cisplatina, the fiber of Malvalisco, is in Brazil to a slight extent. S. umbellata is a Mexican species, known in Australia as the Globe mallow. Guilfoyle states that its bast yields silky fiber, useful for cordage. Sphagnum spp. A genus of mosses, essentially aquatic plants, or plants requiring a great deal of moisture. They do not yield fiber, but on account of the softness and elasticity of the plauts in mass they make an admira- ble packing material. The plants form _/?/ turf beds rapidly, but unless mixed with other plauts the turf is spongy and un- fitted for use. S. cymbifolium, bog moss, is used in Norway, in house construction, for stuffing between the timbers to ren- der the house water-tight. "S. vulgare is a German species, which has been used for ; (Bemardin.) Some of the American species are employed in nur- series as a packing material for living plants. In other countries the material has been used in a dry state for packing fine glassware. Spike rush (see Elsocharis). Sponge cucumber (see Luff a). Sponia (see Trema). Sporobolus cryptandrus. Prairie Grass. A strongly rooted perennial grass 2 to 3 feet high, common on the Western plains and in the Rocky Mountain re- gion. It is well liked by stock, and where it occurs abundantly is very gen- erally regarded as an important forage plant. (See fig. 97.) Structural Fiber.—In 1891 a speci- men of this grass was sent to the Depart- ment from Kansas by a correspondent, who stated that its superior strength recom- mended it as a useful fiber plant, and that it was worthy of cultivation as a raw material for paper stock, and possibly for cordage manufactur
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