COMPOSITES. (COMPOSITE FAMILY.) 205 



t- H- + Lccrei broad, not large, sessile or shori-petioled, coarsely and sliarply serrate^ 

 copiously feather-veined ; veinlets conspicuously reticulated : heads small: rays short. 



22. S. altlSSima, L. Rough-hairy, especially the stem (2 -7 high) ; leave* 

 ovate-lanceolate, elliptical or oblong, often thickish and very rugose ; racemes pani- 

 clecl, spreading ; scales of the involucre linear ; rays 6 - 9 ; the disk-flowers 4-7. 

 Bonlers of fields and copses ; very common, presenting a great variety of 

 forms : but instead of the tallest, as its name denotes, it is usually one of the 

 lowest of the common Golden-rods. 



23. S. ill Ilii folia, Muhl. Stem smooth, the branches hairy; leaves thin, 

 el' iptical -orate or oblong-lanceolate, pointed, tapering to the base, loosely veined, be- 

 set with soft hairs beneath ; racemes panicled, recurved-spreading ; scales of the 

 involucre lanceolate-oblong; rays about 4. Low copses; common. To< 

 near the last; distinguished only by its smooth stem and thin larger leaves. 



24. S. Drum ill Olldii, Torr. & Gr. Stem (l-3 high) and lower sur- 

 face of the broadly ovate or oval somewhat triple-ribbed leaves minutely velvety -pubes- 

 cent, some of the leaves almost entire ; racemes panicled, short ; scales of the 

 involucre oblong, obtuse; rays 4 or 5. Kocks, Illinois opposite St. Louis, and 

 southwestward. 



---*-- Leaves entire or nearly so, thickish, reticulate-veiny, but the veins obscure. 



25. S. pilossi, Walt. Stem stout, upright (3 -7 high), clothed with spread- 

 ing hairs, often panicled at the summit ; leai>es oblong-lanceolate, roughish, hairy 

 beneath, at least on the midrib, serrulate, the upper ovate-lanceolate or oblong 

 and entire, closely sessile ; racemes many, recurved, crowded in a dense pyram- 

 idal panicle: rays 7-10, very short. Low grounds, pine barrens of New 

 Jersey to Virginia, and southward. 



26. S. odora, Ait. (SWEET GOLDEN-ROD.) Smooth or nearly so through- 

 out: stem slender (2 -3 high), often reclined ; leaves linear-lanceolate, entire, shin- 

 inir, pellucid-dotted; racemes spreading in a small one-sided panicle; rays 3-4, 

 rather large. Border of thickets in dry or sandy soil, Vermont and Maine to 

 Kentucky, and southward. The crushed leaves yield a pleasant anisate odor. 

 - -t- *- -i Leaves grayish or hoary, thickish, feather-veined and slightly triple- 

 nerved, obscurely serrate or entire; heads middle-sized. 



27. S. liemorislis, Ait. Clothed with a minute and close grayish-hoari 

 (soft or roughish) pubescence; stem simple or corymbed at the summit (^-2.^' 

 high) ; leaves oblanceolate or spatulate-oblong, the lower somewhat crenate- 

 toothed and tapering into a petiole; racemes numerous, dense, at length re- 

 curved, forming a large and crowded compound raceme or panicle which is 

 usually turned to one side; scales of the involucre linear-oblong, appressed 1 

 rays 6-9. Dry sterile fields; veiy common. In the West occur less hoary 

 and rougher forms. 



***** Heads in one-sided spreading or recurved racemes, forming an amplt 



h panicle : leaves plainly 3-ribbed, or triple-ribbed. 



Scales of- the involucre thickish and rigid, closely imbricated, with somewhat green- 

 ish tips or midrib : leaves rigid, smooth and shining. 

 28. S. S 5s 6r(ii, Torr. & Gr. Stem slender, simple (I *- 3 high), minute- 

 roughish-pubescent ; leaves oblong-lanceolate, acute, the lower sharply serrate 



