266 PARKS AND PLEASURE-GROUNDS. 



PiNUS.— Group 3. Picea, Endl. ; Abies, Loud. ;— Spruces. 

 (Cones di'ooping, terminal. Leaves solitary and tetragonal.) 



32. P. Menziesii, tree. 46. P. Picea foliis variegatis. 



33. P. alba, 50 ft. 47. P. Lemoniana. 



34. p. nana. 48. P. monstrosa. 



35. P. rubra, 30 ft. 49. P. viminalis. 



36. P. violacea. 50. P. Carpatica. 



37. P. arctica. 51. P. tenuifolia. 



38. P. longifolia. 52. P. gigautea. 



39. P. nigra, 80 ft. 53. P. mucronata. 



40. P. variegata. *54. P. obovata, tree. 



41. P. orientalis, tall tree. *55. P. Sclirenkiana, tree. 



42. P. Picea du Moi. Abies, Linn. 56. P. Jezoensis, h ? 100-120 ft. 



100-150 ft. *57. P. polita. 



43. P. ClanbrasiHana, 1-4 ft. 58. P. Kliutrow, 50-100 ft. 



44. P. elegans, 1-3. 59. P. Morinda, 50 ft. 



45. P. stricta, 1-4 ft. *60. P. Sitchensis. 



Species recently introduced. 

 60a. P. Ajanensis. 606. P. Techugatstoi. 



Doubtful Species, from Oregon (Leivis and ClarTcJ. 

 Abies aromatica. Abies micropbyUa. 



falcata. mucronata. 



heterophyUa. trigona. 



The whole of this group, composed of the clan of Spruces, assume the 

 fonn of a spiry cone or pyramid. P. Menziesii, nigra, Picea, and Khu- 

 troio are rather quick-growing trees. The branches are more or less 

 horizontal, with pendulous branchlets ; in some sorts the branches, 

 though at jBrst horizontal, become depressed, with slightly raised points ; 

 and in 58 the branches are horizontal with drooping pomts and branch- 

 lets, presenting a very graceful appearance. P. Jezoensis is a native of 

 Cliina, and is described by Mr. Forttme as a smgularly gracefiol tree. 

 The fohage of 35, 39, 42, 53 is dark green ; of 56 a vivid green ; of 41, 

 is a pale green ; and 32, 33, 36, of a white glaucous ; and 58, 59, of a 

 pale glaucous green. P. Jezoensis is said to retain its leaves for seven 

 years ; P. Menziesii often loses part of its foliage diu-hag the first year. 

 The majority of this group will thrive well on inferior lands, in poor 

 clays and boggy soils : but they luxiu-iate in porous soils, in a moist 

 mountain climate, and come to perfection at higher altitudes than almost 

 all others. The Himalayan species, Khutroiv and Morinda, require 

 strong loamy soils ; when planted in warm s\mny situations, m dry soils, 



