NATIVE WOODY PLANTS OF THE UNITED STATES 95 
CGercis canadensis L. (pl. 8, A). Redbud. 
Range: 22, 23, 24, 25, 27, 28, 29, 30. 
Site: Dry, well- drained, sun, shade. 
Fruit: Legume; available July—August, pods persist throughout winter, 
seeds fall or not. 
A small tree; flowers March-April; occurs in slightly acid, sand, loam, 
calcareous, and other soils; root nodules are not formed by this legume; propa- 
gation is by seed treated with hot water and sown in spring; about 25,000 
seeds per pound; seed germination 80 percent, about 2,000 usable plants per 
pound of seed. 
Stomach records: Three species of birds, including bobwhite; white-tailed 
deer. Observations: Bobwhite; captive marsh rabbit. 
Cercis occidentalis Torr. Western redbud. 
Range: 3, 4, 5, 9, 11, 14, 16, 17. 
Site: Dry, well-drained, moist, sun. 
Fruit: Legume, available July—August. 
A large shrub to small tree; flowers February—April; occurs in slightly acid 
soil; roots very long laterally; propagation is by seed treated with hot water 
and subsequently chilled for 3 months before sowing. 
Observations: Rocky Mountain mule deer. Without forage value for live- 
stock. 
Cercis reniformis Hngl. Texas redbud. 
C. texensis Sarg. 
Range: 17, 20. 
Site: Dry, well-drained, sun. 
Fruit: Legume. 
Commonly a small to large shrub, more rarely a small to large tree; occurs 
on limestone or slightly acid soil; forms dense thickets; propagation is by seed 
treated with hot water and sown in spring. 
Cercis texensis, see Cercis reniformis. 
Cercocarpus spp. Mountain-mahoganies. 
Stomach records (in addition to specific records): Black-tailed deer. Ob- 
servations (in addition to specific records): A favorite food of Rocky Mountain 
mule deer and of Rocky Mountain black-tailed deer; yellow-haired porcupine. 
The species generally furnish much forage for cattle, sheep, and goats at all 
seasons. 
Cercocarpus alnifolius Rydb. Alderleaf mountain-mahogany, 
C. parvifolius Sarg., in part. 
Range: 5. 
Site: Dry, well-drained, sun. 
Fruit: Achene, available July—September. 
A large shrub or small tree; semievergreen; flowers in March; 33,000-60,000 
seeds per pound. 
Cercocarpus argenteus Rydb. Silver mountain-mahogany, 
Range: 14, 16. 
Site: Dry, sun. 
Fruit: Achene, availabie in August. 
A large evergreen shrub, flowers in May. An excellent browse for goats, 
relished also by cattle and sheep. 
Cercocarpus aYizonicus, see Cercocarpus intricatus. 
Cercocarpus betuloides Nutt. Birchleaf mountain-mahogany. 
CO. parvifolius betuloides Sarg., C. rotundifolius Rydb., O. douglasii Rydb. 
Range: 4, 5, 9, 11. 
Site: Dry, sun. 
Fruit: Achene, available July—September. 
A large shrub to small or rarely large tree; evergreen; flowers April—June; 
exceedingly variable; crown sprouts with vigor after fire or with advance of 
old age; seed germinates well as soon as planted; in the mountain regions 
generally occurs below 6,000 feet. 
Observations: Of fair importance as browse for mule deer. An important 
browse for cattle and sheep. 
Site: Dry, sun. 
33772°—38——-7 
