264 PARKS AND PLEASURE-GROUNDS. 



Some plants of 1, the wliite cedar, have a compact, and others a 

 spreading habit; 3 has gracefully curved branches, with numerous 

 spreading branchlets. G. thurifera is a spreading tree. The foliage of 2 

 is of a deep green ; and that of 3 and 5 of a glaucous green. 



SubobdeeV. TAXODINE^. 

 aen. 1. TAXODIUM. 

 r/ 1. T. distichum, 50-100 ft. 3. T. microphyllum, h ? 



2. T. adscendens, 7i ? tree. 4. T. Hugelii, h ? tree. 



This is a deciduous family, with beautiful Hght green foliage. T. dis- 

 tichum, the well-known deciduous Cypress, is of a slender pyramidal 

 form, growing to a large size in England, as at Sion House ; but wliich, 

 though hai-dy in most places in Scotland, scarcely ever grows above 12 or 

 15 feet high. The other species are not more robust. 



Gen. 2. GLYPTOSTKOBUS. 

 1. G. heterophyllus, small tree. 2. G. pendula, h? hush. 



This is a new genus estabhshed by Endhcher. The species are shrubs 

 or low trees, not yet much known. 



Gen. 3. CRYPTOMERIA. 

 f 1. C. Japonica, A? 60-100 ft. - 2. C. nana, A? bush. 



The first species becomes a large tree in China ; but it is still doubtful 

 whether it will be more than a bush in this coimtry. It succeeds best 

 in a mild moist climate. 



OederII. ABIETINE^. 



SuboederI. ABIETINE^ VESM 



Gen. 1. PINUS. 

 PiNUS. — Group 1. Tsuga. 

 (Cones drooping. Leaves sohtary and flat.) 

 *1. P. Tsuga, 25-30 ft. 4. P. Douglasii, 150-200 ft. 



2. i*. Brunoniana, h ? 70-80 ft. 5. P. taxifoHa. 



3. P. Canadensis, 20-50 ft. 



Species 1 has not yet been introduced ; 2 and 3 are broad bushy trees, 

 the latter, from its slow growth, is well adapted for the slrrubbery ; 4 is 

 of a pyramidal form, of prodigious size, and of imusuaUy rapid growth. 

 The foliage of 2 is glaucous, of 3 a dark, and of 4 a vivid green. 



