S4 Rhodora [APRIL 
CHRYSANTHEMUM. 
C. BALSAMITA L., var. TANACETOIDES Boiss. Persistent in old 
gardens, rarely spreading. 
C. LEUCANTHEMUM L. See Ruopora v. 181, 1903. Lawn weed at 
N. Easton. 
C. LEUCANTHEMUM L., var. PINNATIFIDUM Lecoq & Lamotte. 
Fields and pastures, very common throughout. 
C. CARINATUM Schousb. Roadside, Lynn (Miss M. E. Ward, 
Oct. 11, 1915). Specimen in herb. Gray. Native of Morocco. 
C. PARTHENIUM (L.) Bernh. Garden escape at eight stations. 
CICHORIUM. 
C. INTYBUs L. Waste places, mostly in heavy soil; abundant in 
Cambridge since 1783, and in Boston at least since 1814; frequent 
elsewhere. See J. Robinson, Fl. Essex Co. 68, 1880. 
CIRSIUM. 
C. AvTISSIMUM (L.) Spreng. Waste ground near railway, Sherborn 
(Miss M. L. Loomis, Sept. 4, 1914). 
C. ARVENSE (L.) Scop. Pastures and waste places, common. 
C. canum (L.) Bieb. Kendall Green [Weston] (Miss K. Parsons, 
July 11, 1899). Specimens in herb. Gray. 
C. discolor (Muhl.) Spreng. Frequent all along the coast, rarely 
inland. 
C. horridulum Michx. See Rnopona xiii. 238, 1911. Swamps and 
brackish soil near the sea, from Plum Island to Marshfield, occasional. 
Introduced inland at Concord according to Ruopora i. 223, 1899. 
More frequent in southeastern Massachusetts. 
C. LANCEOLATUM (L.) Hill. Waste places, common. 
C. muticum Michx. Rich moist soil in woods and meadows, 
occasional. 
C. muticum Michx., var. subpinnatifidum (Britton) Fernald. 
Purgatory swamp, Norwood (C. E. Faxon, no date). Specimen in 
herb. Gray. 
C. PALUSTRE (L.) Scop. Vacant lot, S. Boston (C. H. Knowlton & 
W. P. Rich, July 29, 1908). Lot now covered by wool warehouse. 
C. pumilum (Nutt.) Spreng. Dry fields and pastures, common. 
CNICUS. 
C. BENEDICTUS L. Waste heap, Cambridge (T. Morong & W. 
Deane, July 16, 1885). Specimen in herb. W. Deane. 
