4 
F. A. GUERNSEY & CO. 
PICEA—Spruce 
P. excelsa (Norway Spruce). The ori 3 inaI Christmas 
tree. Useful for windbreaks or locations where quick 
growth is required. 
P. pungens (Colorado Blue Spruce). Foliage varies from 
blue to dull green. A vigorous, handsome tree. 
P. pungens glauca (Colorado Blue Spruce). An im¬ 
proved form of the above with dense steel blue 
foliage of even color. 
P. pungens kosteri (Koster’s Blue Spruce). Foliage a 
brilliant silvery blue. Rare and exceedingly beautiful 
tree. 
P. canadensis albertiana (Alberta Spruce). Extremely 
hardy tree growing to 60 feet in height. A mass of 
silvery green. 
P. glauca conica (Dwarf Alberta Spruce). Most distinct 
of Spruces. Blue green needles. Grows in perfect 
pyramidal shape to about 4 feet. Fine for rock 
gardens. 
PINUS—Pine 
Mugho Pine 
TSUGA—Hemlock 
T. canadensis (American Hemlock). A well-known tall 
growing tree requiring plenty of room in the planting. 
Rich green foliage on drooping branches. 
TAXUS—Yew 
T. cuspidata capitata (Japanese Yew). This is the tree 
form and best for specimen use. Brilliant green foliage 
turns almost black in winter. 
T. cuspidata (Spreading Japanese Yew). Makes an 
open bush 5 to 8 feet high with dark green foliage 
with crimson fruits in the autumn. Fine as a hedge. 
T. cuspidata nana (Dwarf Japanese Yew). Grows 2 to 3 
feet high, thick blackish green foliage. Irregular 
spreading habit. 
THUJA—Arborvitae 
T. occidentalis (American Arborvitae). Slender conical 
tree reaching a height of 30 or 40 feet. Stands shear¬ 
ing and is often used as a hedge or screen. 
Taxus cuspidata capitata (Upright Yew) 
P. nigra (Austrian 
Pine). Long dark 
green needles. A 
quick growing tree 
of great hardiness 
and vigor. Thrives 
in any situation. 
P. montana mughus 
(Mugho Pine). A 
flat spreading bush 
never g rowi n g 
much over 3 feet 
high. Fine for foun¬ 
dation plantings 
and rock gardens. 
P. resinosa (Red or 
Norway Pine). 
Long dark green 
needles and light 
red bark. Extreme¬ 
ly hardy. Very tall 
growing. 
P. strobus (White 
Pine). The most 
useful of this fam¬ 
ily. It grows quick¬ 
ly and is a mass of 
dark green in its 
youth. 80 to 90 
feet tall at maturity. 
P. sylvestris. The 
Scotch pine is a 
hardy, ra pi d - 
growing tree, 
thriving in poor 
soil and severe 
climates,- Short 
greyish green 
needles. Very pic¬ 
turesque. 
P. Tanyosho (Japan¬ 
ese Table Pine). 
Ideal for rock gar¬ 
dens growing only 
about 2 feet high. 
Old trees may at¬ 
tain a spread of 3 
to 4 feet. Long 
slim light green 
needles, soft and 
flexible. 
Pyramidal Arborvitae 
