CONTENTS. xiii 



Pseudolarix The False Larch, of China 49 



Sub-Tribe 2 SOLITARY Single-leaved Pitch Trees 49 



Class A. PENDENTES... Pendent-fruited Solitaires (The Spruces). 49 



Sec. 1 Naked-coned Pendants (Inclusse) 50 



3d Genus The True Spruces Picea, Link 50 



No. 1 White Spruce Picea laxa, Sargent 51 



No. 2 Blue Spruce P. pungent, Engelra. 51 



No. 3 Engelmann Spruce ,P. Engelmauni, Engelm. 51 



Arizona Spruce Var. Franciscanan. var. 51 



No. 4-Tideland Spruce P. Sitchensis, Carr. 52 



No. 5 Weeping Spruce P. Breiveriana, Watson 52 



4th Genus -Hemlock Spruces Tsuga, Carriere 53 



No. 1 Western Hemlock Tsuga Mertensiana, Carr. 53 



No. 2 Alpine Hemlock T. Pattoniana, Engelm. 53 



Peculiarities of the Alpine Hemlock 54 



Hooker's Hemlock Var. Hookeriana n. var. 54 



Sec. 2- -Feather-cone Pendants (Exsertae) 55 



5th Genus False Hemlock-Spruces Pseudotsuga, Carr. 55 



No. 1 Douglas Spruce P. taxi/olia, Britton 56 



Peculiarities of the Douglas Spruce 56 



Cork-bark Douglas Spruce Var. suberosa, Lemmon 57 



No. 2 Big-cone Spruce P. macrocarpa, Lemmon 57 



Class B ERECTES Erect-fruited Solitaires (The Firs.) 58 



6th Genus The True Firs Abies, Link 58 



English Names for the Groups and Species 59 



Group 1 Large-coned Firs (Megacarpse) 60 



No. 1 Sub-Alpine Fir, Abies lasiocarpa, Nuttall 60 



No. 2 Lovely Fir A. amabilis, Forbes 61 



No. 3 Noble Fir A.nobili8,IAmlley 61 



No. 4 Magnificent Fir A. magnifica, Murray 61 



Shasta Fir Var. (a) Shastensis, Lemmon 62 



Golden Fir Var. (/;) .i-autfiocarpa, Lemrnou 63 



Group 2 Small-coned Firs (Microcarpse) 63 



No. 5 Grand Fir A. grandis, Lindley 6? 



No. 6 Colorado White Fir A. concolor, Lindley 64 



California White Fir Var. Lotviana> Lemmon 64 



No. 7 Bristle-cone Fir A. venusta, Sargent. 64 



Symmetry of Fir Branches and (Jones 65 



Tribe 2 Southern Pitch Trees AKAUCARIE.K 66 



Tribe 3 - The Taxodiads TAXODIE.*: 66 



Class A. - Evergreen Taxodiads SEMPEVIRENTES . 67 





