NATIVE WOODY PLANTS OF THE UNITED STATES 95 



Cercis canadensis L. (pi. 8, A). Eedbud. 



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 Engl. Texas redbud. 



O. 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 Columbian 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. parvifcliiis 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, available in August. 



A large evergreen shrub, flowers in Mayl An excellent browse for goats, 

 relished also by cattle and sheep. 



Cercocarpus arizonicus, see Cercocarpus intricatus. 



Cercocarpus betuloides Nutt. Birchleaf mountain-mahogany. 



C. parvifollus 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. 

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