264 



PARKS AND PLEASURE-GROUNDS. 



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

 spreading habit; 3 has gracefoUy curved branches, with numerous 

 spreading branchlets. 0. thurifera is a spreading tree. The foUage of 2 

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



SuboedeeV. TAXODINEJS. 

 Gen. 1. TAXODIUM. 



1. T. distichum, 50-100 ft. 3. T. microphyUum, h 2 



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



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

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

 form, growing to a large size ia England, as at Sion House ; but which, 

 though hardy in most places in Scotland, scarcely ever gi-ows above 12 or 

 15 fe^t high. The other species are not more robust. 



den. 2. aLTPTOSTEOBUS. 



1, Gr. heterophyUus, smfflZZ ^ree. 2. Gr. pendula, ^ ? lush. 



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

 or low trees, not yet much known. 



G-en. 3. CRYPTOMEEIA. 

 1. C. Japonica, h ? 60-100 ft. 2. C. nana, h ? lush. 



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

 whether it wiU be more than a bush m this coimtry. It succeeds best 

 in a mild moist chmate. 



Order II. ABIETINEiE. 



' SuboedeeI. ABIETIKE^ TTEEjE. 



Gen. 1. PINUS. 

 PiNrs. — Group 1. Tsuga. 

 (Cones drooping. Leaves sohtary and flat.) 

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



2. P. Brunoniana, Ji ? 70-80 ft. 5. P. taxifolia. 



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 shrubbay ; 4 is 

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

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



