SYNGENES1A. POLYG. ^QUAL. EupatOrium. 603. 



microphyllum. E. leaves trianguiar-egg'd nine-nctch'd downy under- 

 neath brown - vein'd, panicle conglomerated 

 terminal, peduncle elongate. S. fmali- leaved. 



ageratoides. E. leaves egg'd faw'd petioled, Hem fmooth. S. 



ageratum-like. 



936. AGERATUM. Receptacle naked. Pappus 5- 

 awn'd. CaL oblong, fubequal. Co- 

 rollets four- cleft. 



Conyzoides. I. A. leaves egg'd, ftem hairy. Qnyza-liJke. 



ciliare. 2. A. leaves egg'd notch'd obtufe, ftem fmooth. fringed. 



92j. PTEFvONIA., Receptacle with briftles many- 

 parted. Pappus rather feather'd. CaL 

 imbricated. 



camphor at a. i. 

 oppofitifolia. 2. 



fiexicaulis'. 



retorta. 



hirfuta, 

 glabrata. 

 inflexa. 

 fcariofa. 

 slomerata. 



villofa. 



fpinofa. 

 7nembranacca. 



P. leaves fcatter'd fringed at the bafe. camphor. 



P. leaves oppofite, branches two-fork'd divaricated. 



oppofite- leaved. 



P. leaves thread-form fmooth, calyxes nearly four- 

 corner'd, branches fhort rigid. S. Jt em-winding. 



P. leaves egg'd reflected fmooth fringed on the margin 

 rugged, ftem erect, calyx -fcales intire. S. 



retorted. 



P leaves lanced expanding hairy, ftem procumbent, 

 calyx-fcales intire. S. fi a ggy- 



P. leaves lanced fmooth, calyx-fcales egg'd membra- 

 nous. S. fmooth 9 d. 



P. leaves egg'd hairy, calyx-fcales rather jointed 

 membranous, peduncle inflected. S. inflected. 



P. branches thorny, calyxes parch'd, leaves oval. S. 



parch' d. 



P. leaves egg-three-fided fmooth, ftem four-corner'd. 

 S. glomerate. 



P. leaves oblong downy, calyx-fcales egg'd membra- 

 nous. S . ajh-colo itr 9 d. 



P. leaves lanced obtufe hairy, calyx-fcales egg'd 

 membranous. S. villous. 



P. leaves awl'd fpinefcent pungent. S. thorny. 



P. Leaves egg'd duft-downy,c^lyx-fcales awl'd parch'd 

 on the margin. S. membranous. 



