t4S SYNGENESIA. SUPERFLUA, 



berous, as large as a Potatoe. Leaves lanceolate, subden- 

 ticulate, decurrent on the stem, beneatli tomentose; flow- 

 ei-s In a subsessile, cylindric, dense spike; florets all fertile^ 

 feminine few; seed pubescent; tube of anthers exserted. 

 yiowers whitish, all the others are pale purple; none of 

 them appear to be congeners with C sgiiarrosa. 



This extensive genus of near 80 species is principally 

 indigenous to India and its islands, with a few species in 

 Africa, America, and Europe. 



356. GNAPHALIUM. L. (Cud- weed. Ever- 

 lasting.) 



Calix imbricated, marginal scales rounded, 

 scariose, shining and coloured. Radii none^ 

 feminine florets marginal, entire, mostly nu- 

 merous. Receptacle naked. Pappus pilose, or 

 scabrous. 



Shrubby or herbaceous; leaves alternate, mostly to- 

 Hientose and canescent; flowers commonly terminal, glo- 

 merate or corymbose; calix persistent, scales yellow, red- 

 dish, or white. Flowers in many species all hermaphro- 

 dite; in 2 dioicous. A genus scarcely distinguishable from 

 the preceding, except by habit. 



Species. I. G. margaritaceum. 2. polycephalum. 3.piir- 

 pureum. A>. plaiita^iiieum. Hermaphrodite flowers conglo- 

 merated by 6's. 5. alpiniim. 6. sylvaticum. 7. americanum. 

 8. 2ilig-inosum. 9. germanicum. 



A genus of 120 species, most of which are indigenous 

 to the Cape of Good Hope, there are also a few species i» 

 Europe, in India, and in South as well as North America. 



i f Flowers radiate, or with the fiorets of the mar- 

 gin ligulate, 



557. ERIGERON. L, (Flea-bane.) 



Calix imbricated, subhemispherical, in fruit 

 often reflected. Rays of the corolla linear, ve- 

 ry narrow, and numerous. Receptacle nakede 

 Fappus double, exterior minute, interior pilose, 

 of few rays, (12 to 25?) 



Herbaceous; stems simple or branched, flowers soli- 

 tary, axillary and terminal, subcorymbose or fastigiately 

 paniculate; radii vrhite, or purplish, rarely destitute of 



