1918] Flora of the Boston District,— X XVI 17 
C. Monocyna Jacq. (C. Oxyacantha of Gray’s Manual, ed. 7, 1908). 
Persistent and occasionally spontaneous, especially near Boston. 
C. PHAENOPYRUM (L. f.) Medic. Escape in pasture, Dorchester 
(J. R. Churchill, Oct. 17, 1886 et seq.); Jamaica Plain (C. E. Faxon, 
Sept. 26, 1883 et seq.). Introduced from the South. 
C. pruinosa (Wendl.) C. Koch. Ashland ( Thomas Morong, June 5, 
1882). Specimen in herb. Walter Deane. A plant of this species with 
bluish leaves was transplanted from Orient Heights, Winthrop, in 
October, 1899, by C. E. Faxon and J. T. Dawson, and is growing in 
the Arnold Arboretum (No. 4572). 
C. pruinosa (Wendl.) C. Koch., var. conjuncta (Sarg.) Eggleston. 
Topsfield (7. E. Proctor, Oct. 22, 1900, June 7, 1901); Southborough 
(C. S. Sargent, Sept. 4, 1904). Specimens in herb. Arnold Arboretum. 
C. pruinosa (Wendl.) C. Koch., f. dissona (Sarg.) Eggleston. 
Dry roadside, Franklin (K. M. Wiegand, Sept. 13, 1911). 
C. rotundifolia Moench. Frequent; all reported stations north 
of Boston. 
C. rotundifolia Moench., var. Faxoni (Sarg.) Eggleston. Need- 
ham (K. M. Wiegand, Aug. 27, 1909). 
C. submollis Sarg. Wall near Prof. Sargent’s, Perkins St., 
Jamaica Plain type station (C. E. Faxon, May 14, Sept. 17, 1902). 
Also reported from N. Andover, Andover, Lowell, Chelmsford, 
Revere, Winthrop, Medford and Milton. 
C. succulenta Schrad. (C. macracantha Lodd.) W. Newbury 
(A. A. Eaton, —, 1896); Ipswich (Wm. Oakes, no date; C. S. Sargent, 
Sept. 13, 1900); Revere (H. A. Young, —, 1877; C. E. Faxon, Sept. 
27, 1883.) 
DALIBARDA. 
D. repens L. Deep woods; Middleton (J. H. Sears, Aug. 20, 
1883); Manchester (J. Robinson, June 3, 1875); Holbrook (Alice G. 
Clark in Ruopora vi. 227, 1904). 
EXOCHORDA. 
E. GRANDIFLORA (Hook.) Lindl. Spreading and forming thicket 
on rocky knoll, site of abandoned garden, Arlington (C. A. Weatherby, 
Aug. 4, 1908, May 15, 1909). Native of central China. 
