AN ENCYCLOPEDIA OF HORTICULTURE. 



243 



Callirhoe continued. 



Malvaceae. A genus of elegant annual or perennial herbs, 

 natives of North America. They are of extremely easy 

 cultivation, thriving in a compost of light, rich, sandy loam. 

 Propagation of the perennial species may be effected by 

 means of both seeds and cuttings; of the annuals, by 

 seeds only. Seeds should be sown in spring, either out- 

 side, or in pans in a cold frame. Young cuttings should be 

 taken and dibbled in sandy soil in a frame. 



C. digitata (fingered).* fl. reddish-purple ; peduncles long, axillary, 

 one-flowered. Summer. I. sub-peltate, six to seven-parted, with 

 linear-entire or two-parted segments ; upper ones more simple. 

 h. 2ft. to 3ft. 1824. Perennial. (S. B. F. G. 129, under the name 

 of Nuttallia digitata.) 



C. involncrate (involucrate).* fl. crimson, nearly 2in. across, 

 loosely panicled. Summer. I. divided nearly to the base, three 

 to five-parted ; segments narrow, lanceolate, three to five-toothed, 

 hairy on both surfaces. Habit procumbent ; stems hairy. A. 6in. 

 Perennial (G. W. P. A 26.) Svx Malta involwrata (B. M. 4681). 



C. Papaver (Poppy-likeX* fl- violet-red; sepals ovate-acute, 

 ciliated. Summer. 1., root leaves lobed or pedate ; lower stem 

 leaves palmato-peilate, upper digitate or simple. A. 3ft Louisiana, 

 1833. Perennial. STN. Nuttallia Papaver. (B. M. 3287.) 



fl. cherry-red, panicled. August 

 ones trifid. h. 2ft. to 3ft 1824. 



C. pedate (pedate-leaved). 



1. laciniately-pedate ; uppe 



Annual. (B. H. 1857, 148.) 

 C. triangulate (triangular-leaved), fl. pale purple. August 1836. 



Perennial. SY.V. Nuttallia cordata (under which name it is figured 



in B. R. 1938). 



CALLISTACHYS. See Ozylobium. 



CALLISTEMMA. See Callisteplius. 

 CALLISTEMON (from Icallos, beauty, and stemon, 

 a stamen ; in most of the species, the stamens are of a 

 beautiful scarlet colour). OED. 

 MyrtacecB. Handsome greenhouse 

 evergreen shrubs or trees, having 

 the inflorescence rising from the 

 old branches in crowded spikes, as 

 in the species of Melaleuca, but 

 with the stamens free, as in Me- 

 trosideros. Leaves elongated, stiff, 

 alternate, usually lanceolate. All 

 the species of this genus are very 

 ornamental and neat in habit. 

 They are well adapted for a con- 

 servatory. The soil best suited 

 for them is a mixture of loam, 

 peat, and sand. Ripened cuttings 

 strike root in sand, under a hand 

 glass; seeds are frequently pro- 

 duced on large plants, and these 

 may also be used to increase the 

 stock, but they do not produce 

 flowering plants for a considerable 

 time; whereas plants raised from 

 cuttings, taken from flowering 

 plants, come into flower when 

 small. 



C. linearls Oinear-leaved).* fl. scarlet; 

 calyces clothed with velvety pu- 

 bescence. June. I. linear, stiff, acute, 

 keeled beneath, channelled above, vil- 

 lous when young, h. 4ft to 6ft New 

 South Wales, ifsS. 



C. lophanthus (crest-flowered). Sy- 

 nonymous with C. salignus. 

 C. salignus (willow), fl. straw-co- 

 loured, distinct, spicate, nearly ter- 

 minal; petals rather pubescent, cili- 

 ated ; calyx pilose. June to August. 

 I. lanceolate, attenuated at both 

 ends, mucronate, one-nerved, villous 

 when young, as well as the branches. 

 h. 4ft to 6ft. Australia, 1806. SYN. C. 

 lophanthus. (L. B. C. 1302.) 

 . speciosus (showy).* fl 

 calyx villous. March to July, t Ian- 



FIG. 327. CALLISTEMON 

 SPECIOSUS. 



C. speciosus (showy).* fl. scarlet; 

 calyx villous. March to July. I lan- 

 ceolate, mucronate, flat, middle nerve rather prominent ; when 

 young, rather silky from adpressed villi, and reddish. A. 5ft. to 

 10ft West Australia, 1823. Sm Metrotiderot tpeeiosa. See 

 Fig. 327. (B. M. 1761.) 



CAIiLISTEFHTTS (from kallistos, most beautiful, and 

 stephot, a crown; in allusion to the appendages on the 

 ripe fruit). China Aster. STN. Callistemma. ORD. Com- 

 positae. A hardy annual, requiring an open situation and 

 a rich loamy soil. Involucre of many fringed bracts- 

 receptacle naked, pitted; pappus double. Propagated 

 by seed, sown in a hotbed in March, the seedlings being 

 hardened off and transplanted in May. For culture of 

 these much grown plants and their varieties, see Aster. 



Victoria Aster. 

 Fio. 328. FLOWER-HEADS OP CALJJSTEPHUS CHINENSIS TARS. 



C. chlnensls (Chinese).* fl-heads dark purple. July. I. ovate, 

 coarsely toothed, stalked ; stem ones sessile, cuneate at the 

 base. Stem hispid. Branches with single heads. A. 2ft China, 

 173L See Fig. 328. 



CALLITRIS (probably altered from kallistos, most 

 beautiful ; referring to the whole plant). ORD. Cvniferae. 

 STN. Frenela. Half-hardy evergreen shrubs or small trees, 

 with long, very slender-jointed branches, and often very 

 minute, scale-like, persistent leaves. Flowers monoecious. 



