NATIVE WOODY PLANTS OF THE UNITED STATES 
commercially ; seeds abundantly produced annually when plant is only 2 or 3 
feet high ; vitality of seeds persistent ; ornamental in cultivation. 
Cupressus guadaloupensis Wats. Porbes' cypress. 
G. forbesii Jeps. 
Range: 5. 
Site: Well-drained, sun. 
Fruit : Cone. 
A small evergreen tree. 
Cupressus macnabiana Murr. Iffacnab cypress. 
C. nevadensis Abrams, C. halerl Jeps. 
Range : 1, 3, 4. 
Site: Dry, well-drained, sun. 
Fruit : Cone ; mature in autumn of the second season ; seeds shed 
immediately, cones persistent several years. 
A small to rarely large evergreen tree ; slow growing, moderately long-lived ; 
wood of no importance commercially; seeds produced annually; ornamental 
in cultivation. 
Cupressus macrocarpa Gord. Monterey cypress. 
Range: 5. 
Site : Dry, well-drained, sun, shade. 
Fruit : Cone ; mature in August of the second season, opens slowly, 
persistent several seasons. 
A large evergreen tree ; at first rapid growing, later slower ; long-lived ; free 
from insects and most diseases; susceptible to fires because of its thin bark; 
forms a cover on wind-swept coasts to the water's edge ; wood of little impor- 
tance commercially ; resistant to drought and mildly saline conditions ; will with- 
stand considerable abuse in handling; seeds produced annually in abundance; 
93,000 seeds per pound, germination 16 percent ; much spread by plantings ; 
ornamental in cultivation. 
Cupressus nevadensis, see Cupressus macnabiana. 
Cupressus pygmaea, see Cupressus goveniana. 
Cupressus sargentii Jeps. Bargent cjrpress. 
Range: 1, 5. 
Site: Well-drained, sun. 
Fruit: Cone. 
A small to large evergreen tree ; seven varieties in cultivation. 
Cyanococcus amoenus, see Vaccinium corymhosum. 
Cyanococcus angustifolius, see Vaccinium angustifolium. 
Cyanococcus atrococcus, see Vaccinium atrococcum. 
Cyanococcus corymbosus, see Vaccinium corymhosum. 
Cyanococcus elliottii, see Vaccinium elUottii. 
Cyanococcus hirsutus, see Vaccinium hirsutum. 
Cyanococcus myrsinites, see Vaccinium myrsinites. 
Cyanococcus pallidus, see Vaccinium corymtosum. 
Cyanococcus pennsylvanlcus, see Vaccinium anyustifoUum. 
Cyanococcus tenellus, see Vaccinium virgatutn. 
Cyanococcus vacillans, see Vaccinium vacillans. 
Cyanococcus virgatus, see Vaccinium virgatum. 
Cynoxylon floridum, see Cornus florida. 
Cynoxylon nuttallii, see Cornus nuttalUi. 
Cyrilla racemlflora L. Swamp ironwood. 
Range: 28, 29, 30. 
Site: Moist, sun, shade. 
Fruit: Corky drupe, available August-September. 
A large shrub to small or large tree ; semievergreen ; much branched ; flowers 
May- July; may occur on sandy or other soils; considered a good honey plant. 
