SOLANA( EAE. 



Vol. III. 



m 



5. Solanum Torreyi A. Gray. Torrey's 

 Nightshade. Fig. 3721. 



.V. Torreyi A. Gray, Proc. Am. Acad. 6: 44. 1862. 



Perennial, hoary with a stellate pubescence of 

 8-12-rayed hairs, more or less armed with small 

 subulate prickles. Leaves ovate in outline, 3'-6' 

 long, sinuately 5-7-lobed, the lobes entire or undu- 

 late, obtuse; cymes appearing terminal, soon evi- 

 dently lateral, branched, loosely several-flowered ; 

 flowers showy, large ; calyx-lobes ovate, abruptly 

 long-acuminate, persistent at the base of the 

 berry; corolla violet, 1-1J' broad, its lobes ovate, 

 acute; berry globose, smooth and glabrous, 1' or 

 more in diameter, yellow when ripe. 



On dry plains and prairies, Kansas to Texas, 

 ported from Missouri. 



Re- 



6. Solanum rostratum Dunal. Sand 



Bur. Beaked or Prickly Nightshade. 



Buffalo-bur. Fig. 3722. 



Solanum rostratum Dunal. Sol. 234. pi. 24. 18:3. 

 5. heterandrum Pursh, Fl. Am. Sept. 156. pi. 7. 

 1814. 



Annual, densely stellate-pubescent with 5-8- 

 rayed hairs, usually copiously armed with 

 yellow subulate prickles ; stem erect, branched, 

 l-2i high. Leaves ovate or oval in outline, 

 irregularly pinnately 5-7-lobed or 1-2-pinna- 

 tifid, 2-5' long, petioled. the lobes mostly 

 oblong, obtuse ; flowers racemose, yellow, about 

 1' broad ; racemes lateral ; pedicels stout, 3"-6" 

 long, erect both in flower and fruit; calyx 

 densely prickly, surroundi-ng and wholly en- 

 closing the berry, the prickles becoming as 

 long as the fruit, or longer; calyx-lobes lan- 

 ceolate, acuminate; corolla about r' broad, 

 slightly irregular, its lobes ovate, acute; sta- 

 mens and style declined, the lowest stamen 

 longer with an incurved beak; fruit, .includ- 

 ing its prickles, 1' in diameter or more. 



On prairies, South Dakota to Texas and Mexico. Occasional in waste 

 Hampshire, Tennessee and Florida, adventive from the west. Texas-nettle. 

 Sept. The original food of the Colorado beetle. 



places, O 

 Prickly 



ntano 

 potato 



to New 



May- 



7. Solanum citrullifdlium Braun. Melon- 

 Fig- 37 2 3- 



leaved Nightshade. 



Solanum citrullifolium Braun. Ind. Sem. Frib. 1849. 



Annual, glandular-pubescent, or a few 4-5-rayed 

 hairs on the leaves, copiously armed with slender 

 yellow subulate prickles, diffusely branched, i-3 

 high. Leaves irregularly bipinnatifid, resembling 

 in outline those of the watermelon, 2'-6' long; ra- 

 cemes lateral, several-flowered ; flowers l'-ll' broad, 

 violet ; stamens and style declined : lowest anther 

 violet, larger than the four other yellow ones; co- 

 rolla somewhat irregular, its lobes ovate, acuminate; 

 fruit similar to that of the preceding species. 



In dry soil, Iowa and Kansas to Texas, Mexico and 

 New Mexico. Referred in our first edition, to S\ 

 heterodoxum Dunal. July-Sept. 



