366 Karl M. Wiegand and Arthur J. Eames 



c. Berry inclosed by the spiny calyx ; leaves bluntly lobed or- 1-2-pinnatifid ; flowers 



yellow. [S. rostra turn] 



b. Plant not prickly, reclining or climbing; corolla about 15 mm. in diam., violet 



or white. 3. S. Dulcamara 



1. S. nigrum L. Common Nightshade. 



Waste gravelly or stony and loamy, usually shaded, soils ; occasional. July-Sept. 



Cascadilla Creek (D.) ; Fall Creek Gorge (D.\) ; elsewhere about Ithaca (£>.!) ; 

 Cayuga Lake shore (D.) ; woods around Cortland marl ponds; Paine Creek; Crane 

 Creek ; and elsewhere. 



N. S. to Alberta, southw. to Fla. and Tex., including the Coastal Plain; nearly 

 cosmopolitan. 



2. S. CAROLINENSE L. HoRSE NETTLE. 



Gravelly fields and waste places, in rich soils ; occasional. July-Aug. 



W. of Spencer Lake ; cornfields and hayfields near Enfield Glen ; s. side of Coy 

 Glen; near Percy Field; near the second bridge, Forest Home; golf links, abundant; 

 along state road w. of Glenwood. A plant of recent introduction from farther south 

 and west. 



N. Y. to 111. and Nebr., southw. to Fla. and Tex. ; also adventive northeastw. to 

 N. E. and Ont. 



[S. rostratum Dunal. Buffalo Bur. 



Found occasionally in waste places about dwellings, but not established; native of 

 the Great Plains.] 



3. S. Dulcamara L. Blue Nightshade. European Bittersweet. 

 Low ground, in a great variety of soils ; common. June-Aug. 



N. S. to Minn, and Wash., southw. to Pa., Ga., and Kans. Naturalized from 

 Eurasia. 

 White-flowered plants are found occasionally. 



[S. Pseudo-Capsicum L. Jerusalem Cherry. 



Dump, lighthouse road, Ithaca, 1925 (W. C. Muenschcr). A common greenhouse 

 and window plant.] 



2. Physalis L. 



a. Plants glandular-pubescent ; berry yellow. 



b. Plants annual, hoary; corolla 5-10 mm. in diam.; fruiting calyx about 2 cm. 



long, the lobes 3-4.5 mm. long. 1. P. pnnnosa 



b. Plants perennial ; corolla 15-22 mm. in diam. ; fruiting calyx 2.5-3 cm. long, 

 the lobes 5-10 mm. long. 

 c. Foliage and stems puberulent; anthers yellow. 2. P. hcterophylla 



c. Foliage and stems more villous-hirsute ; anthers violet. 



2a. P. h., var. ambigua 

 a. Plants glabrous, or strigulose above, not glandular ; berry purple. 



b. Plants annual ; roots fibrous ; flowering calyx 5-6 mm. long, the teeth barely 



acute. \P. ixocarpa] 



b. Plants perennial from rootstocks; flowering calyx about 9 mm. long, the teeth 

 more or less acuminate. 3. P. subglabrata 



1. P. pruinosa L. Strawberry Tomato. 



Sandy soil and waste places ; rare. July-Sept. 



Ithaca flats and along the lighthouse road, 1921 {A. J. E., S. H. Burnham, & C. L. 

 Wilson) ; Cayuga Heights, 1921. Doubtfully native. 



Mass. to Ont., southw. to Fla., Iowa, and Colo., probably including the Coastal 

 Plain. 



