POTATO FAMILY 545 
the calyx, the border somewhat unequally 5-lobed, the lobes rounded and 
spreading. Stamens 4, not longer than the corolla, anterior pair longer 
than the others. 
I. brachiatus, (L.) BSP. (Fig. 3, pl. 137.) Fanse PENNYROYAL. 
Stem much branched, 4 to 1% ft. high. Leaves lance-shaped, tapering at 
each end, without teeth or with a few sharp ones. Flowers at the axils, 
1 to 3 in a cluster, blue. Sandy soil, Maine, southward. July-Sept. 
Famity IIJ.—SOLANACEAE. Potato Famity 
Herbs, vines, rarely shrubs (none in our area), with alternate 
leaves and regular flowers with 5 divisions of the calyx, 5 lobes 
of the corolla and 5 stamens. Fruit a capsule of 2 cells or a 
berry. Style single. Stamens alternate with the lobes of the 
corolla, and inserted in the tube. Calyx below the ovary. Seeds 
numerous. Fruit a pulpy berry. 
Calyx, in fruit forming a ae colored, inflated sac 
about the berry . . . >; . | “Physalis 
Calyx 5-lobed, fitting closely Higa ie berry Leucophysalis 
Calyx 5-lobed, not investing the berry . . . Solanum 
Fruit a capsule. 
Calyx enclosing the fruit, not covered with spines 
so Mea pin, pha} iyo). ale) Tag gee a 2 SEV OSO Vans 
Calyx. covered “wath epimesii: i 4 Mela Shee Datira 
Calyx only partly covering the fruit . . . Nicotiana 
1. PHYSALIS, L. 
Herbs with, in our species, wavy bordered leaves and yellow or white 
flowers. Calyx 5-parted, increasing as fruit develops, forming an inflated 
enclosure for the large berry. Corolla open-bell-shaped, the 5 stamens 
inserted near the base of the corolla tube. 
Leaves decidedly heart-shaped at base . 5 oO a 0 JER pana 
Leaves egg-shaped, sometimes slightly heart- tshaped at base. 
Margins coarsely toothed . SUP toys otn Calne en Pee eLenOpAyile 
MiERCIne: Eenereily GS 56 8 5 6 ao 6 6 6 6 @ 8 © VP pinlaryaorG 
Leaves tapering at both ends. 
lan perquitemehaltvaalta. o)) ce Sis vA uc) at Le) Meera une. P. virginiana 
lanier O GMM ALLY Mr MROT co ~.” -<.  rate Ee semi cutie ft eed oe! ole P. philadelphica 
1. P. pruinosa, L. (Fig. 5, pl. 138.) Tarn Harry Grounp CHERRY. 
Annual, much branched, erect or decumbent; leaves egg-shaped, heart- 
shaped at base, margins wavy or with some sharp teeth, whole plant very 
hairy. Flowers yellow, tinged with purple or spotted with brown. Low 
grounds, Mass., and southern part of our area. July-Sept. 
2. P. pubescens, L. (Fig. 1, pl. 138.) Low Harry Grounp CHeErry. 
A very diffuse annual, when mature decumbent. Leaves 1 to 24 in. long, 
egg-shaped, at base oblique, one side usually longer than the other, the 
border entire or with distant angular teeth. Stem and leaves downy, but 
