72 DWARF AND SLOW-GROWING CONIFERS 



J. communis, var. Jackii, Rehder C Mitt. d. d. d. Ges.," 

 1907). 



From California and Mount Rainer; seems from its 

 description to be barely distinguishable from var. nana. 

 Wherever J. communis and var. nana are found, inter- 

 mediate forms between the two may usually be detected. 



J. communis, var. aurea, and J. communis, var. nana aurea. 

 There are golden variegated forms of the type and also 

 of var. nana. That of the type is slow enough in growth 

 to be included among one's dwarf trees. That of var. 

 nana differs only in colour. 



J. hemispherica, Presl. (" DeUc. prag.," p. 142). 



Syn.: J. nana hemispherica, Carr. (" Conif.," p. 16, 

 1867). 

 J. communis hemispherica. Pari. (" Dec. 

 Prod.," 2, 479, 1868). 



A dwarf juniper of uncertain status. Presly describes 

 it as follows: "A low shrub, about 30 cm. in height, 

 tufted, hemispherical. Branches cyhndrical and greyish. 

 Leaves like the common juniper, but three times shorter 

 and slightly wider ; always whitish below, having a raised 

 keel. Varying little in fruit, which is borne on the axils 

 and is blue in colour. The berries are larger than the 

 type, smell stronger of resin. A neighbour of J. communis, 

 it differs in its habit, its hemispherical shape, chiefly 

 by its small tufted habit, its cyhndrical branches and 

 branchlets, its stouter and wider leaves, also by its larger 

 berries (equal or a httle shorter than the leaves). It must 

 not be confoimded with J. nana." 



Most modern authorities class this juniper as a variety 

 of J. communis, as J. nana (Willd.) is now classed, but 

 J. nana (type) is accepted to be merely an alpine form 

 of J. communis, and is stated to be the arborescent type 

 stunted into a bush form by growing in alpine conditions 

 and occurring in such positions in every locality where 

 the arborescent type is found in lowland conditions. 



