The Flora of the Cayuga Lake Basin 203 



3. S. dichotoma Ehrh. 



A weed of clover and grass fields, rarely of waste places, in gravelly soils; scarce. 

 July. 



N. Cayuga St., Ithaca ; Cayuga Heights ; along road from Cortland to Groton. 

 Recently introduced with clover and grass seed, but doubtfully persisting. 



Me. to N. J., Pa., and Tex.; also in Calif. Naturalized from Eu. 



4. S. NOCTIFLORA L. NlGHT-FLOWERING CATCHFLY. 



Roadside thickets and waste places, in rich gravelly, more or less calcareous, 

 soils ; frequent. June-Oct. 



Dry Run, Spencer; waste places in Ithaca; C. U. campus; near Percy Field; and 

 elsewhere. 



N. S. to Man., southw. to Fla., Mo., and Utah. Naturalized from Eu. 



Resembles Lychnis alba, from which it may be distinguished by its perfect flowers, 

 3 styles, smaller creamy petals, and absence of gynobase. 



[S. PENNSYLVANIA Michx. WlLD PlNK. 



" ' In vicinity of Aurora,' 1840, in catalogue of Dr. Alex. Thompson, as native, 

 but probably a garden-scape" (D.) ; not seen since.] 



5. S. stellata (L.) Ait. f. Starry Campion. 



Dry open woods, in stony or gravelly acid soils with some admixture of clay ; 

 scarce. July-Aug. 



E. slope of Cayuga Lake ; near cemetery, University Ave., Ithaca ; near the " Nook " 

 (D.) ; Renwick slope (D.\) ; near McKinneys; Salmon Creek ravine. A plant of 

 the heavier oak-vaccinium soils, and therefore rarely if ever found in the sandy 

 chestnut woods back on the hills and at Junius. 



Mass. to Minn., southw. to Ga., Ark., and Tex.; infrequent on the Coastal Plain. 



6. S. latifolia (Mill.) Britten & Rend. Bladder Campion. 



A weed of dry sandy or gravelly acid or neutral soils, also in heavy clay; infre- 

 quent. June-Aug. 



Inlet road near Enfield Glen ; Enfield Falls road ; near upper Coy Glen ; Quarry 

 St., Ithaca ; C. U. campus, near Forestry Building ; Cayuga Heights ; n. of Wyckoff 

 Swamp; near Westbury Bog; s. of Featherbed Bog. A plant of recent introduction, 

 becoming more frequent. 



E. Que. to Ont., southw. to N. J., 111., and Iowa; also on the Pacific coast, and on 

 the Atlantic Coastal Plain. Naturalized from Eurasia. 



10. Saponaria L. 



a. Calyx terete ; flowers in rather dense clusters ; leaves tapering at base. 



1. S. officinalis 



a. Calyx strongly 5-wing-angled ; flowers in open cymes ; leaves ovate, clasping by a 



broad base. 2. S. Vaccaria 



1. S. officinalis L. Bouncing Bet. Soapwort. 



A weed on gravelly banks, especially on bars in the streams and on railroad embank- 

 ments, with little reference to lime content of the soil; very common. July-Sept. 



Widely distributed in N. A., having escaped originally from gardens where it was 

 an old-fashioned ornamental plant. Naturalized from Eu. 



Flowers sometimes double. 



2. S. Vaccaria L. Cow-herb. 



Waste places, in gravelly soil ; rare. July. 



Ithaca : railroad yards ; South Ave. ; Cornell Heights ; city dump on lighthouse 

 road ; C. U. campus, near the Home Economics Building. Doubtfully persistent. 

 Ont. to B. C, southw. to Fla., La., and Calif. Adventive from Eu. 



