COMPOSITAE. 



[Vol. III. 



44. Solidago multiradiata Ait. 



Northern Golden-rod. (Fig. 3714.) 



Solidago multiradiata Ait. Hort. Kew. 3: 218. 1789. 



Stem glabrous or somewhat pubescent above, 

 rather slender, 6 / -i5 / high. Leaves firm, gla- 

 brous or very nearly so, the basal and lower ones 

 spatulate or oblanceolate, entire, or sparingly 

 serrate, obtuse, finely reticulate-veined, 2/~S f 

 long, 3 // ~9 // wide, the upper smaller, narrower, 

 sessile, entire; heads about 4" high, usually 

 few in a terminal rather compact, corymbose 

 cyme, but the inflorescence sometimes elongated 

 and thyrsoid ; bracts of the involucre thin, linear- 

 lanceolate, acute; glabrous; rays 8-15, promi- 

 nent, linear, achenes pubescent. 



Labrador and Hudson Bay to British Columbia, 

 south in the Rocky Mountains to Colorado. July- 

 Aug. 



45. Solidago Ohioensis Riddell. 

 Ohio Golden-rod. (Fig. 3715.) 



Solidago Ohioensis Riddell, Syn. Fl. West. 

 States, 57. 1835. 



Very smooth throughout ; stem rather 

 slender, simple, 2-3 high. Leaves firm, 

 the basal and lower ones elongated-lanceo- 

 late or oblong-lanceolate, obtuse, long- 

 petioled, serrulate toward the end, or 

 sometimes entire, often i long; upper 

 leaves sessile, lanceolate, entire, gradually 

 smaller and those of the inflorescence 

 bract-like; heads 2>^ // -3 // high, numer- 

 ous in a terminal compound cyme, 15-25- 

 fiowered; rays 6-9, small; bracts of the 

 narrowly campanulate involucre oblong, 

 very obtuse, glabrous; achenes glabrous, 

 5-nerved. 



T In moist soil, western New York to Illi- 

 nois. Aug. -Sept. 



46. Solidago Riddellii Frank. 

 Riddell's Golden- rod. (Fig. 3716.) 



Solidago Riddellii Frank; Riddell, Syn. Fl. 

 West. States, 57. 1835. 



Stem stout, glabrous, or slightly pubescent 

 above, i-3 high. Leaves numerous, thick, 

 glabrous on both sides, entire, acute at each 

 end, the lower and basal ones long-petioled, 

 elongated, lanceolate, somewhat triple- 

 nerved, often i long, 4 // -io" wide, the up- 

 per smaller, similar, sessile and clasping at 

 the base, couduplicate, somewhat falcate; 

 heads z"-\" high, 20-30-flowered, very 

 numerous in a dense corymbose cyme; invo- 

 lucre oblong-campanulate, its bracts broadly 

 oblong, obtuse; rays 7-9, narrow; achenes 5- 

 nerved, glabrous. 



On moist prairies, Ohio to Minnesota and 

 Missouri. Also at Fortress Monroe, Va. Aug.- 

 Sept. 



