382 SOLAXACEiE. (NIGHTSHADE FAMILY.) 



* * Root perennial: stems mostly from slender creeping rootstoclcs, usually low (6'- 

 20' high) : anthers yellow ; fruiting calyx loosely inflated, 5-angled, much larger 

 than the berry. 

 n- Wild species: corolla greenish-yellow and commonly brown or purplish in the 

 centre, the border 5-angled or barely 5 - 10-toothed, 6" - 12" broad. 

 5. P. visc6sa, L. Clammy-pubescent, diffusely much branched and widely 

 spreading, or at first erect ; leaves ovate or slightly heart-shaped, sometimes 

 oblong, repand or obtusely toothed, rarely entire ; corolla dark brown in the 

 centre; fruiting calyx ovate, barely concave or truncate at base, sharply 5- 

 angled ; berry orange or reddish, glutinous. (P. heterophylla, Nees. P. nyc- 

 taginea, & P. viscido-pubescens, Dunal?) — Light or sandy soil : common. 



6. P. Pennsylvanica, L. Minutely hirsute-pubescent (not clammy), or 

 nearly glabrous ; leaves ovate, oblong, or oblong-lanceolate and tapering at the 

 base, entire or sparingly repand-toothed ; corolla merely darker or purplish-veiny 

 in the centre; fruiting calyx conical or globular-ovate, pointed, and with an im- 

 pressed base ; berry red. — Var. lanceolata ; the narrower-leaved and pubes- 

 cent form (5'- 15' high), especially the state with a hairy calyx. (P. lanceolata, 

 Michx. P. maritima, M. A. Curtis.) — Dry, often sandy soil, from Pennsyl- 

 vania southward and westward, even northwestward to the Winipeg valley. — 

 Fruiting calyx l'-lj' long. Shape of calyx-lobes very variable. 



■«- +- Introduced : corolla greenish-white, unspotted, 5-Iobed. 



7. P. Alkekengi, L. (Strawberry Tomato.) More or less pubes- 

 cent ; sparingly branched ; leaves deltoid-ovate, pointed ; calyx-teeth awl-shaped ; 

 fruiting calyx broadly ovate, turning red ; the berry bright red, pleasant. — Cult, 

 and waste grounds, eastward. (Cult. & Adv. from Eu.) 



3. NICANDRA, Adans. Apple of Peru. 



Calyx 5-parted, 5-angled, the divisions rather arrow-shaped, enlarged and 



yj. bladder-like in fruit, enclosing the 3 - 5-celled globular dry berry. Corolla with 



t/V R. .b° rQ,er nearly entire. Otherwise much like Physalis. — An annual smooth herb 



(2° -3° high), with ovate sinuate-toothed or angled leaves, and solitary pale 



blue flowers on axillary and terminal peduncles. (Named after the poet Nican- 



der of Colophon.) 



1. N. physaloides, Gnertn. — Waste grounds. (Adv. from Peru.) 



4. LYCIUM, L. Matrimony- Vine. 



Calyx 3 - 5-toothed or cleft, not enlarging, persistent at the base of the berry. 

 Corolla funnel-form or salver-shaped, 5-lobed, the lobes imbricated and not 

 plaited in the bud. Stamens 5 : anthers opening lengthwise. Style slender : 

 stigma capitate. Berry small, 2-eelled. Shrubby, often spiny plants, with 

 alternate and entire small leaves, and mostly axillary small flowers. (Named 

 from the country, Lyria.) 



1. L. vulgXre, Dunal. (Common M.) Shrub with long sarmentose re- 

 curved-drooping branches, smooth, sparingly if at all spiny ; leaves oblong- or 

 spatiilate-laiK't'olate, often fascicled, narrowed into a short petiole ; flowers on 

 slender peduncles fascicled in the axils ; corolla short funnel-form, greenish- 



