C. m. biflora. Glastonbury Thorn. 
C. m. dolichocarpa. 
C. Oxyacantha. English H.; Eu., N. Afr. 
C. O. Paulii. Paul’s Scarlet H. 
C. pagensis. Okla. 
C. persistens. Possibly a hybrid of C. crus-galli. 
C. Phaenopyrum (C. cordata ). Washington Thorn; Va. to Mo. 
C. pinnatiflda. N.E. Asia. 
C. prunifolia. Origin unknown. 
C. pura. N. N. Amer. 
C. puta. N. N. Amer. 
C. rivularis. Idaho to Nev. and N. Mex. 
C. sanguinea. E. Siber. 
C. spathulata. Va. to Fla. and Tex. 
C. succulenta. Que. to Mass, and Ill. 
C. viridis. Md. to Fla. and Tex. 
C. Wattiana. Altai Mts. to Baluchistan. 
C. Wilsonii. C. China. 
CRYPTOMERIA, Pinaceae. Cryptomeria. Pyramidal ever¬ 
greens, the foliage of which turns a coppery-brown in winter. 
Not reliably hardy in this region. They sometimes succeed in 
a well sheltered corner [5D, nursery]. 
C. japonica. Japan, China. 
C. J. ARAUCARIOIDES. 
C. j. “Bendai Howo Sugi.” 
C. J. DACRYDIOIDES. 
C. J. “JlNDAI SUGI.” 
C. J. Lobbii. 
C. J. NANA AUREA. 
CUDRANIA, Moraceae. Large thorny dioecious shrub that re¬ 
sembles the Osage-orange. Not satisfactorily hardy and of no 
special merit [5D]. 
C. tricuspidata ( Vaniera t.). China, Korea, Japan. 
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