706 PATAGONIAN EXPEDITIONS: BOTANY. 



cally 3-lobed ; the lateral lobes tooth-like, mid-lobe long and large, obtuse, 

 green-hairy above, ruddy-tomentose beneath. Racemes terminal, about 

 3-flowered ; flowers pediceled, subumbellate. 

 (Argentina) ; N. Patagon. 



2. SOLANUM COMMERSONII Dunal. 



Stem herbaceous, pilose. Leaves petiolate, subpinnatisect ; the ter- 

 minal segment large ; lateral segments unequal, mostly obtuse. Racemes 

 terminal, corymbose, few-flowered. Corolla-segments narrow, acute. 



(Montevideo) ; N. Patagon. 



3. S. EL/EAGNIFOLIUM Cav. 



Stems suffruticose, from a subterranean caudex, branching, scaly tomen- 

 tose, hoary, spinose. Leaves petioled, oblong-lanceolate, sinuate-repand, 

 discolored, scaly tomentose on both sides, unarmed or sparsely prickly; 

 silvery and nervose underneath. Racemes few-flowered, cymose, silvery. 



(Mexico to Argentina); N. Patagon., "following civilization south- 

 wards of Buenos Ayres as a troublesome weed." 



4. S. FURCATUM Dunal.. 



Stem herbaceous, subdichotomous, angulate-toothed, glabrous. Leaves 

 rather large, ovate, dentate, glabrous. Racemes furcate. 



(Peru) ; W. Patagon. 



5. S. MARITIMUM Meyen. 



Pulverulent-scabrous. Stem herbaceous (?), compressed-trigonal, much 

 branching, divaricate. Leaves succulent, pinnatipartite, 15 mm. long, the 

 segments linear-obtuse, mid one short, laterals entire or i -toothed down- 

 wards at base. Upper leaves linear, entire. Raceme terminal bifid, 

 divergent, flowers nodding. Corolla-lobes acute, blue. Fruit scarlet. 

 Near pyrethrifolium Gris. 



(Chili) ; S. Patagon., by Rio Sta. Cruz. 



6. S. NIGRUM Linn. Black Nightshade. 



Erect, branching annual, glabrous or with simple hairs. Leaves petioled, 

 ovate, inequilateral, mostly entire, acute. Peduncles lateral, umbellately 

 3-io-flowered. Calyx-lobes oblong, spreading, shorter than the white 

 corolla, persisting under the black, shining berry. 



