134 



LIST OF CONIFEROUS HOST TREES. 



Balsam, Eastern (see Fir, Balsam) . 

 Balsam, Momitain (see Fir, Alpine). 

 Balsam, Lowland (see Fir, Grand). 



fCedar, Incense. lAbocedrus decurrens Torrey. 



fCedar, Port Orford (Lawson's Cypress). Chamcecyparis Lawsoniana (Murr) (Parlatore). 

 Cedar, Western Red (Red Cedar). Thuja plicata Don. 



Fir, Douglas (Douglas Spruce). Pseudotsuga taxifoUa (Poir) Britt. (P. mucronata (Raz.) Sud- 



worth). 

 Fir, Balsam (Eastern Balsam). Abies balsamea (Linn.) Miller. 



Fir, Alpine (Mountain Balsam, White Fir, Balsam Fir). Abies lasiocarpa (Hook) Nuttall. 

 Fir, Grand (Lowland Balsam, White Fir). Abies giandis Lindley. 



Hackmatack (see Larch). 



Hemlock, Mountain (Black Hemlock). Tsuga mertensiana (Bong) Sargent. 



Hemlock, Western. Tsuga heterophylla (Raf.) Sargent. 



Hemlock, Eastern. Tsuga canadensis Engelm. 



Larch, Eastern (Tamarack, Hackmatack). Larix americana Mich,x. 

 Larch, Western. Larix occidentalis NuttaU. 



Pine, White. Pinus strobus L. 



Pine, Western White (Silver Pine). Pinus monticola Dougl. 

 tPine, Sugar. Pinus lambertiana Dougl. 



Pine, Western Yellow (Bull Pine). Pinus ponderosa Lawson. 

 tPine, Jeffrey. Pinus jeffreyi " Oreg. com." 



Pine, Lodgepole (Shore Pine, Black Pine, Jack Pine). Pinus contorta Loudon, (Murrayana). 

 fPine, Monterey. Pinus radiata Don. 



Pine, Red (Norway Pine). Pinus resinosa Ait. 



Pine, Jack (Labrador Pine, Gray Pine). Pinus banksiana Lamb. (Pinus divaricala D. Mont.) 

 tPine, Scrub (Jersey Pine). Pinus virginiana Mill. (Pinus inops Ait.) 

 fPine, Southern Yellow. Pinus taeda Linn. 



Spruce, Sitka (Tideland Spruce). Picea sitchensis (Bong.) Trautvetter and Mayer. 

 fSpruce, Big Cone. Pseudotsuga macrocarpa (Torr.) Mayer. 

 Spruce, Engehnann's. Picea engelmanni Engehnann. 

 Spruce, Red. Picea rubens Sarg. 

 Spruce, White. Picea canadensis (Mill) B., S., and P. 

 Spruce, Black. Picea mariana (Mill) B., S., and P. 



Tamarack (see Larch). 



GLOSSARY. 



Abraded: rubbed, denuded of vestiture. 



Aciculate: applied to a surface bearing minute subparallel scratches as though made with a 



needle point. 

 Acuminate: tapering to an acute point. 



Alutaceous : of colom-, pale brown ; covered with minute cracks. 

 Anastomosing: running together, applied to surface markings in colour, or minute ridges, and to 



tunnels. 

 Annulate: ringed; of a club, sutm-ed. 

 Apex: the arcuate or narrowed portion of a segment or selerite opposite the basal attachment; 



of the elytra, the caudal portion; of the pronotum, the cephalic portion; of the antennal 



club, the distal portion; the portion of an appendage farthest from the body, the distal part. 

 Appendage: a part attached by a joint to the body or to a larger appendage; e.g., antennae, 



legs and wings. 

 Approximate: placed close together. 



Armature: the chitinous teeth, processes, or coarse roughenings. 



Asperate: with the surface finely or moderately roughened with acute or subacute elevations. 

 Asperities: small or moderate surface roughenings, particularly when acute; from coarse granules 



to rather prominent elevations; especially the lunular elevations of the anterior half of the 



pronotum in the Ipince. 



tin United States. 



