THE FLOEA OF THE NOBTHERN TEBEITORY. 241 



SOLANACEAE. 



Fruit an indehiscent berry. 



Calyx, if enlarged after flowering, not inflated. Corolla rotate or very 

 open. Anthers opening in terminal pores or sUts. — 2. Solanum. 

 Calyx inflated over the fruit. Corolla campanulate. Anthers open- 

 ing in longitudinal slits. — 1. Physalis. 

 Fruit capsular, opening in valves. Corolla folded in the bud or with 

 induplicate lobes. 



Calyx tubular, drcumaciss after floiwering, leaving a broad persis- 

 tent base. Corolla large. Caipsule prickly. — 3. Datura. 

 Calyx entirely persistent. Capsule smooth. — 4. Nicotiana. 



1. PHYSALIS, Linn. 



Stock perennial, the whole plant softly pubescent. — 2. P. peruviana. 

 . Annual, sparingly pubescent. Flowers very small. — 1. P. minima. 



1. P. minima, Linn. — Victoria River, F. v. Mueller. 



2. P- peruviana, Linn. — Sturt River, F. v. Mueller. 

 Cape Gooseberry. Useful fruit. 



2. SOLAISrUM, Linn. 1735. 



(Androeera,Nutt., 1818 ; Aquartia, Jacq., 1760 ; Ceranthera, Rafin., 1818 

 Chocarpus, Miers., 1849 ; Diamonon, Rafin., 1836 ; Dulcamara, Moench., 1794 ; 

 Normania, Lowe, 1868 ; Nycterium, Vent., 1803 ; Pseudocapsicum, Medic- 

 1789; Psolanum, Neck., 1790.) 



The species of Solanum are mostly of a poisonous character. Nightshades. 



I. — No prickles. Whole plant glabrous or pubescent with simple hairs 

 (nat stellate). — '14. S. nigrum. 



II. — No prickles. Stellate pubescence or tomentum on the whole plant 

 or rarely on the flowers only. — 19. S. tetrandrum. 



m. — Prickles slender on the branches and leaves (numerous, few, or 

 very rare), none on the calyxes. Stellate pubesoemce or tomentum on tJie 

 whole plant or rarely on the flowers only. 



Leaves glabrous above except along the veins, tomentose underneath. — 

 6. S. discolor. 



Leaves closely whitish tomentose on both sides (bhe tomentum rarely 

 disappearing at length on the upper side). Calyx teeth very graall {.!; the 

 time of flowering. 



Leaves ovate, oblong, or lanceolate, entire or sinuate-toothed. 



Corolla deeply lobed (J to j in. diameter.) — 9. S. esuiiale. 

 Leaves ovate-lanceolate or lanceolate, mostly lobed at the base. 

 Oorolla-lobes rather short (| in. diameter). — 3: S. chenopodium. 

 Leaves oblong or lanceolate, entire. Corolla with short broad lobes 

 (I to 1 in. diameter). — 18. S. Sturtianum. 

 Leaves densely and softly tomentose or velvety hirsute on both sides or at 

 least underneath, sometimes greener and shortly tomentose above. — 13. S. 

 nemophilum. 



IV. — Prickles slender or rarely thickened at the base on the calyxes, as 

 well as on the branches and generally on the leaves. Stellate pubescence 

 rarely mixed with simple hairs, on the whole plant or oca the corolla only. 



Leaves green and glabrous or sprinkled with stellate hairs or hirsute on 

 the upper or both sides, sinuate-lobed or pinnatifid. — 2. S. cataphractum. 



