TAG JS1 



leaves wedge-form; stem-leaves lanceolate; panicles trichotomous; 

 petals slightly emarginate, very obtuse, sub-crenate. 8 12. i. 



142. SINAPIS. 



Exotic. 



Xi'gra, (common mfcstard. y. J. (v>) silique glabrous, 4-angled, close 

 pressed to the stem; leaves at the top lance-linear, entire, smooth. 

 JN'aturalized. 



153. SISYRINCHIUM. (From sus, a hog, and runchion, a snout.) 



An"ceps, (blue-eyed grass. O. b. J. 7|.) scape (or culm) simple, 2-edgred 

 or 2- winged ; glume-like, spatha of 2 unequal valves, extending 

 above the flower ; petals mucronate. 6 12. i. 



5 1. SOLANUM. (From solor, to comfort.) 



Dulcama'ra, (bittersweet. E. p-b. Ju. T?) stem unarmed, woody, climb- 

 ing; lower leaves mostly cordate, glabrous; upper ones mostly gui- 

 tar-hastate, few-flowered ; corymbs opposite to the leaves. 



Exotic. 



Tubero'sum, (potato, b. w. Ju. 17) stem wing-angled, unarmed; leaves 

 interruptedly pinnate; leafets entire; flowers sub-corymbed j roots 

 knobbed-tuberous. Cultivated. 



172. SOLID AGO. (From solido, to strengthen.) 



Canadcn"sis, (Canadian golden-rod. O. y. Ju. r 2|) stem downy; leaves 

 lanceolate, serrate, rough; racemes copious panicled, recurved; rays 

 hardly longer than the disk; stem angular; leaves sessile, three 

 inches long, sometimes nearly entire. 25. f. 



Lateriflo'ra, (side-flowered golden rod. y. Au. Tj.) stem erect, a little 

 hairy; leaves lanceolate, slightly 3-nerved, glabrous, rongh-edjred ; 

 lower ones sub-serrate; racemes panicled, a little recurved; flowers 

 large, the rays bein^ much longer than the calyx; stem striated, 

 often purplish, pinnatifid, with numerous lateral flowering branches. 

 2 -3 f. 



32. SORGHUM. (An Indian name.) 



Exotic. 



Sacchara'tum, (broom-corn, y. g. Au. ) panicle somewhat whorled, 

 spreading; seeds oval ; glumes covered with permanent softish hairs; 

 leaves linear. From the East Indies. 6 8. f. 



21 . SYRINGA. (From a fabulous nymph, Syrinx, who was chang- 

 f d into a reed, or perhaps more probably from its Turkish name, 

 Scrinx. The wood is used by the Turks" for making pipe-stems.) 



Vulga'ris, (lilac, b-p. w. M. 17) leaves cordate: flowers in a thyrsc. 

 Per"sica 3 (persian lilac, b. M. 17) leaves lanceolate, entire and pia 

 natilid. 



172. T AGETES. (From Tages, a fabulous deity of ancient times ) 



Exotic. 



Erec"ta. fafrican mangold, y. Ju. 0) leaves pinnate; leaflets lanceo- 

 16 



