1064 ARBORETUM AND FRUTICETUM. PART III. 



the Hort. Kew. y that they are bisexual. Rachis naked. Bracteas of the 

 involucre imbricate. Heads whitish, solitary, or aggregate. Shrubs or 

 trees of North America j the young branchlets, in many, viscous. Leaves 

 alternate, entire, in most coriaceous. 



I^VA L. A single row of flowers in the outline of the head, female ; the rest 

 male. Not any pappus. Rachis bearing bracteoles. Involucre of a single 

 row of bracteas, and these few. Heads in a terminal, linear, spike. Herbs 

 or shrubs of North America, with leaves alternate or opposite, with 3 

 ribs. 



SANTOLI^NA L. A single row of female flowers in the outline of the head ; 

 the corolla of each of these with a ligula that is much shorter than the 

 tube, and spreads rayedly. The rest of the flowers bisexual ; the corolla 

 tubular, without a ligula. Not any pappus. Involucre bell-shaped. Bracteas 

 imbricate. Heads borne solitarily at the tips of peduncles, including many 

 flowers. Small shrubs, of the Mediterranean region, more or less tomen- 

 tose ; their leaves alternate, cut in a bipinnate manner. 



ARTEMI'SIA Cass. Flowers in the head either all bisexual, or those of a 

 single row in the outline, females j the rest bisexual. Not any pappus. 

 Rachis naked or villose. Bracteas of the involucre dry, filmy in the 

 margin, imbricate. Heads small, each of few flowers ; the heads disposed 

 in spikes, racemes, or pyramidal panicles. Chiefly herbs, but also a few 

 shrubs, natives of most parts of the world. The kinds to be described in 

 this work have their flowers partly female and partly bisexual, as described 

 above, and their rachis naked. 



T/ELICHRY'SUM Leasing. Flowers in the head either all bisexual, or with the 

 external row of them female. Pappus with a single row of segments. 

 Rachis without bracteoles. Bracteas of the involucre of various colours ; 

 the inner ones spreading more or less, and rayedly, about the head. Heads 

 solitary or aggregate, each of many flowers. Herbs or shrubs, most of 

 which are found in the southern extremity of Africa. 



CINERA V RIA Lessing. External flowers of the head female ; with ligulate 

 corollas, spread rayedly. The rest bisexual, and their corollas tubular. 

 Pappus with its segments in several rows. Bracteas of the involucre filmy 

 in the margin, in one row. Rachis flat, without bracteas. Heads in 

 corymbs. Flowers yellow. Herbs or small shrubs, of the Cape of Good 

 Hope. The one species that we have to describe is a native of the 

 south of Europe. Leaves alternate, entire, or variously cut in a pinnate 

 manner. 



GENUS* I. 



Lessing. THE STJEHELINA. Lin. Syst. Syngenesia 

 jEqualis, 



Identification. Leasing Synops. Gen. Compos., p. 5. ; Ait. Hort Kew., ed. 2. vol. 4. p. 512. 

 Synonyme. Sta?heline, Fr. and Ger. 



Derivation. So named in honour of John Henry Stehelin, and his son Benedict, Swiss botanists and 

 physicians. 



J* 1. S. DU N BIA L. The doubtful, or Rosemary-leaved, Staehelina. 



Identification. Lin. Sp., 1116. ; Less. Syn. Gen. Compos., p. 5. ; Willd. Sp. PL, 3. p. 1783. ; Ger. Prov., 



190 t. 6. ; Ait. Hort. Kew., ed. 2. v. 4. p. 512. 



Sunonvme. S. rosmarinifblia Cass., according to Less. Syn. Gen. Compos., p. 5. 

 Engravings. Ger. Prov., p. 190. t. 6. ; Lam. 111., 666. f. 4. ; and our^. 832. 



Spec. Char. y $c. Leaves sessile, linear, finely toothed, tomentose beneath. 

 Inner bracteas of the involucre lanceolate, elongate. {Willd. Sp. PL) A 

 native of the south of Europe. In England, a hardy shrub, with fragrant 



>, flowers, which appear in June and July. It is readily propagated by cut- 



