KOCHEA 



place to induce perfect and early matur U During 

 winter the plants may be kept in a sunnj fri ne or cool 

 light greenhouse, with only sufficient water to pre^ent 

 shriveling. 



A. Clusters usually 2-no e ed 



iasminea., DC. (Crdssula jasmlnea Ker Gawl) Stem 



herbaceous, 4-12 in. high, decumbent branche 1 flower 



ing part erect: Ivs. fleshy, oblong-oval ' ^4 m long 



ROCK GARDENS 1539 



are represented in the t>ew England mountain region 



( repis 



e&nd 

 f gida 

 X bry 



■\ for 



lines wide: fls. white tinted with ci ms 1 sessile 

 fragrant, 1^ in. lon„' BM 2178 —Hybrid w th _B 

 figured m A P 5 433 

 AA. Clusteis many flowered 

 coccinea, DC. (Kulosanthe's eocemea Haw Cr ssula 

 coecinea, Linn.). Plant robust shrubby 1 2 ft high 

 Ivs. very closely imbricated, 1-lM m x % 1 in fls 

 bright scarlet, 114.-2 in. long, fragrant borne in sum 

 mer. Cape. Gn. 4G, p. 3G0. B.M. 49o 

 JR. falcata, DC. See Crassula falcata. p -^ Barclay 



ROCK-BRAKE. See Cnjptogrami 



ROCK-CRESS. Arahis. 



ROCK GARDENS. Figs. 2137-40. Nature in time will 

 make a garden even on the unbroken surface of a rock, 

 by clothing it with lichens, algse and mosses of many 

 ex(|uisitc forms having much variety and often striking 

 l.rilliaiirv ill .■,.], .ring. If there are soil-filled cracks and 



] k.t^ 111! 11 I'. ms and flowering plants will find aplaoc 



At l.iw 1 1. \ ;iii.ins. however, these flowering rock-plants 

 :irr riinip,u:iiiv.iy few, for Soil accumulates rapidly and 

 stn.ni; -rowiii- liiTbs, shrubs and trees, aided by favor- 

 alil.- clmi^iii'' f-Miiilitions, soon cover the rock surface or 

 fmni-h -.i .li 11^.- a shade that only mosses, lichens and 



m this work The I e Cuirent Man 



uals of North Aiut I 



Theunciltivatel V cli ire luite 



as numerous 1 1 (. e es 



that have 1 e ha e 



been b it 1 t r n 



European k 1 I to 



metto'ta C t i lb la 



are offered I ) \ r can 1 se j 11 1 c It vate 1 in 



the open I or ler On a few private places small rock 

 gariei s ha'se 1 en establi bed or advantage has been 

 taken of fav r 1 le lo al coi dit ons to cultivate some 

 a idit onil species an 1 m 01 e or 1 ore botanic gar lens 

 c nsiderable collection 1 h e been at times man tamed 

 chiefly in frame t ei er Uy what h ve pa sed for rock 

 gardens have been ro keries— meie p les of cobbles 

 raised from the surface of turf or piled against dry 

 banks in such a manner as rapidly to disperse instead 

 of slowly conserve all soil moisture. Even the most 



The 



.^§^ 



2137. A rockery borderine a lawn. 



self-asscrtivf wpfd fails ti. thrive in surh a L'arden. A 



lii;i.' I.. I'. , ■] ,,n 1',]^ •■ : - •' . !■'- !, Uiir.lr.l at the 



>i ' ■ : ■ ' . ' ■ ' lie |.leiit exhibit 



■ , r.. \i ■ I I. I I I, ■!.:- . . :: Ml'. enni|, rising 103 



and a larger propurtiou of sunny days than in England, 

 to which we must look for the best instruction in the 

 cultivation of alpine plants. This must be regarded in 



