ESSENTIAL GENERIC CHARACTER. COROLLA quadrifida sive quadripetala. Antheræ lineares insertæ petalis infra apicem. Calyx proprius nullus. Nux unisperma supera. BLOSSOM four-cleft or four-petaled. Tips linear, inserted on the petals below the apex. Empalement proper, none. Nut one-seeded above. SPECIFIC CHARACTER, &C. PROTEA, foliis lanceolatis acutis capituloque terminali rotundo glabris. Protea Scolymus. _Willd. Sp. Pl. 1. 522._--_Schrad. Sert. Hann. tab. 20._--_Ait. Hort. Kew. 1. 127._ PROTEA, with lance-shaped acute smooth leaves and a round terminal smooth head of flowers. LEUCODENDRON (_Scolymocephalum_) foliis lanceolatis, floribus subrotundis, caule fruticoso ramoso. _Linn. Sp. Pl. 2. 153._ LEPIDOCARPODENDRON acaulon, ramis numerosis e terra excrescens, calyce floris immaturo extus e rubro et flavo variegato, intus flavo. _Boerh. Lugb. 2. p. 192. tab. 192._ SCOLYMOCEPHALUS africanus, fruticis æthiopici coniferi Breynii foliis, capite majori squamato. _Raj. H. 3. 10._ REFERENCE TO THE PLATE. 1. A floret detached. 2. A petal with its tip magnified. 3. The seed-bud and pointal. The Protea Scolymus grows spontaneously on the Tiger mountain at the Cape of Good Hope; but has long been an inhabitant of European conservatories, although a rare one. It was well known to several of the old botanists, who appear to have differed much concerning the generical appellations which they thought proper to bestow upon it; as will appear on consulting the synonyms above. They made several genera of Proteæ; but the botanists of later times have melted them all down (we fear injudiciously) into one great genus: and Schrader has even added Lambertia to Protea; and figured it in his Sertum Hannoverianum, under the name of Protea nectarina; thereby alluding to the sweet juice which abounds in the tubes of its flowers:--melliflua would have been a still more expressive term. The smooth-leaved Protea requires the same treatment as the rest of the genus, and is a very fine species, producing its flowers in May and June. Our figure was taken at the Clapham collection. [Illustration] PLATE CCCCX. CYNANCHUM UNDATUM. _Waved Cynanchum._ CLASS V. ORDER I. _PENTANDRIA DIGYNIA._ Five Chives. Two Pointals. ESSENTIAL GENERIC CHARACTER. CONTORTA. Nectarium cylindricum, quinquedentatum. CONTORTED. Honey-cup cylindrical, five-toothed. SPECIFIC CHARACTER. CYNANCHUM, caule volubili, foliis cordatis oblongis obtusis cum acumine undatisque, umbellis axillaribus subproliferis. CYNANCHUM, with a twining stem, heart-shaped oblong blunt leaves, but with a sudden point, and waved, axillary somewhat proliferous umbels. REFERENCE TO THE PLATE. 1. The empalement. 2. The blossom spread open. 3. The outer scale of the honey-cup. 4. The parts of fructification magnified. 5. The inner scale of the honey-cup. 6. The outside of the same. 7. The seed-bud, shaft, summit and chives magnified.