244 



The Dictionary of Gardening, 



Callitris — continued. 



Fruit f,'-lnl>ular, eomposed of fonr to six — rarely eig-ht — 

 unequal, woody, valvate scales, with one or two seeds at 

 tiie base of each. All the species are somewhat tender, 

 in Ennfland, except in the more southern diKtricts. They 

 require a sandy loam compost. Propag-ated by cutting's, 

 inserted under a handlig-lit in autumn, and protected by a 

 cold pit ; or by seeds. 



C. quadrivalvis (fonr vrd veil). Arar-tree ; Sandarach Gum-tree. 

 /., fi'UKde catkin tetrajiunal, with four oval valves, each fur- 

 nished with a point, and two of wliich bear seeds. February to 

 ■ May. I. flattened, articulate. A. 15ft. to 20[t. liarbary, 1815. 



CALLIXENE. See I.uzariag'a. 



Callxina — rontinued. 



Srrlii, and flammondi), flesh-coloured (camea), and donhle- 

 tliiwered varirties {jl.-jd.) are all well worth growing in shrub. 

 beries; aurpa and anjentea, witli gohl and silver coloured .shnot.s, 

 are also very ornamental. 'I'he vabu! of the (;ominon form can 

 scarcely be over-estimated for plantin;^ on barren bill sides or 

 spaces ; it affnrds excellent shelter for j;ame, and food for bees. 



CAIiIiUS. The new formation at the end of a cutting 

 before it puts forth roots ; when the Callus is formed, it 

 shows that the cutting- is in a healthy state. 



CAIiOCHZIitJS (from haloa, beautiful, and cheilos, a 

 lip; referring to the beauty of the labellum or lip). Ord. 

 Oirhidece. Interesting greenhouse terrestrial tuberous- 

 rooted orchids, allied to Epipactis. Sepals yellowish-green; 



Fig. 329. Flowers and Leaves op Calociiortiis veniistus 



Having hardened 

 Having hardened ser- 



CALLOSE. Callous, hardened. 



CALI.OUSLY-GI.ANDUI.AR. 



glands. 



CALLOUSLY-SERRATED. 



raturos. 



OALLUNA (from Icnllxnn, to sweep, from the use of the 

 plant in broom.s). Common Ling; Heather. Gun. Ericacp.cp. 

 A small hardy spreading shrub, very common throughout 

 Nortliern and Central Europe. Corolla campanulate, four- 

 lobed, shorter than the calyx. For culture, see Erica. 



C. vulgaris (comnion).* Jl. disposed in Ions:, terminal, spicate 

 racemes. July to Septpmber. /. trigonal, obtuse, very short, 

 imliricatinj; in four row.s, having the margins revolute and the 

 l>iise sagittate, /i. 1ft. to 3ft. Britain. 'I'here are numerous very 

 ornnmental varieties of this sppcips, which are admirably adapted 

 lor planting in Lunltrs and clumps. The white-flowered (alba, 



For cnltnrc. 



lip purple, covered with rich brown baira. 

 s"? Bletia. 



C. campestris (field). Jl. greeni.sh and brown. April to June. 

 I. narrow, ohloii;;, pointed. Stem leafy, slender, terete, h. 9in. 

 Australia, 1824. (li. M. 3187.) 



C. paludosus (marsh).* fl. very similar in colour to those of 

 C. raniprafris, but rather larger. May and June. I. rather 

 broailer. h. 9in. Australia, 1823. (F. A. O.. part 4.) 



CALOCHORTUS (from l-alos, beautiful, and chorfos, 

 grass ; referring to the leaves). Mariposa Lily. Ord. 

 Lillacece. Handsome bulbous plants. Flowers showy, 

 on erect scapes ; perianth deciduous ; three outer seg- 

 ments sepaloid, thme inner ones much larger and broader, 

 and bearded on the inside. Leaves ensiform. Bulbs 

 tunicated. These have not, hitherto, been generally 

 grown in the open air with much success ; but in warm 



