SYNGENESIA. SUPEIIFLUA. 159 



merately condensed, so as to be shorter than the leaves, 

 often produced nearly irom tl^e base to tlie summit of the 

 stem; ravs very small and white, discal Hortls becoming" 

 purple.^Such appears to be .i. r,u::er, of Linna;us, but 

 probably not that of Aiioii, as smooth leaves appear to be 

 altogether imconipatible v^-ilh this well marked species. Ii 

 is also distinct from the A. miser of Herb. Mulil. 



70. divergent. /3. .i. dijfuaus. y . A. pendtdiis. 



This genus, consisting- of more t')an lOU species, is al- 

 most exclusively indigenous to North America and the 

 Cape of Good Hope, a few species exist in Australasia, in 

 China and Japan, there are likewiDe '2 species peculiar to 

 Siberia, and 9 or 10 to Europe. 



560. SOLIDAGO. L. (Golden-Rod.) 



Calix imbricated, scales closed. Radial flo- 

 rets about 5, yellow. Receptacle naked, punctate. 

 Fappus simple, plloEC. 



Herbaceous; stem often tall; flowers small, racemos'*, 

 and yeilow, racemes panicuiated, erect or secund; calix 

 oblong or subcylindric, mostly coloured; radial flore;:i 

 equal with or shorter tkan the calix-, often 5, sometimes 

 7, 9, and from 12 to 20. Seeds mostly smooth, also pu- 

 bescent. The scrobiculate receptacle prevails as much 

 in the preceding as in the present geuus. In S. bicolu^.' 

 only, the ra)s are nearly wiwte. 



f Racemes secund. 



Sv ECi ES. l.S. ca7iadensis. 2. procera. 2. neroihia. 4.^/- 

 g-antea. 5. ciliaris. Q.refcxa. ?. latevifora. 8. aapera. 9. fi.'- 

 tissima. 10. rugosa. A mere variety of ihe preceding-. 11. 

 rlllosa. 12. scubra. 13. nemoralin. 14 patida. 15. uhu- 

 JoHa. 16. argiiUi. lY.juncea. IS. elliptica. 19. asperatu. 

 Herb. Banks. Mss. 20. odora. 21. recirrvata. 22. retrorsa. 



23. pyramidata. Ph. Scarcely distinct from the preced- 

 ing. Obs. Stem 4 to 6 feet high; leaves oblong, subovate, 

 acute, margin remotely serrulate, scabrous, nearly smooth, 

 midrib on tiie under Side pubescent, stem roughly pilose,- 

 summit virgatc; branches small-leaved, paniculate, re- 

 curved, racemes filiform, secj.nd, pubescerit; peduncles 

 squamose; tlov^ers small, liguli minuie. Seed smooth. 



24. Icevijata. Obs. Stem creci and smootli, about 6 feet 

 high, summit virgate; leaves lanceolate, carnose, every 

 where smooth; racemes leafy, secund; peduncles filiform 

 and squamose, smooth or pubescent, 1 to 3-flowered; ca- 

 lix multibracteate, scales carnose, acute; ravs elongated, 

 about 10. 



XI5. limoivfoJla. Pcrsoon. S. riexiccua, Alton, but not iu- 



