Order III. 
SYNGENESIA FRUSTRANEA. 
733 
12471 Stem branched, Leaves lane. Falese of pappus entire awned 
12472 The only species 
12473 Leaves pinnate and bipinnatifid, Pinnse serrated somewhat decurrent, Ray few-flowored neuter 
12474 Leaves bipinnatifid : segm. lane. Segm. of exterior invol. lanceolate 
12475 Leaves bipinnate, Leaflets linear subulate, Scales of outer invol. ovate 
12476 Leaves bipinnate. Leaflets filiform. Scales of outer invol. lanceolate 
12477 Leaves bipinn. Pinnules lin. lane, not broader than their rib 
12478 Leaves whorled 3 or 5-pinnated : pinnae lin. 3-parted and undivided. Disk discolored 
12479 Leaves whorled 3 or 5-pinnated : pinnte lin. 3-parted and undivided. Disk same color as ray 
12480 Leaves ternate ovate-obl. serrated, Kay same color as disk 
12481 Leaves serrated : radical 3-parted : cauline trifid or entire lane, linear 
12482 Leaves entire : radical pinnated ; cauline in threes lane, stalked 
12483 Leaves entire ternate sessile 
12484 Leaves subternate cuneate serrated 
12485 Villous, Leaves stalked quinate and ternate : leaflets ovate-lanc. subpinnatifid or cut serrated 
1248() Leaves serrated ovate : upper ternate. Stem creeping 
12487 Leaves lanceolate entire ciliated 
12488 Rad. leaves pinnate or bipinnate entire. Outer leaves of involucre short, Ray discolored at base 
12489 Leaves entire ovate : lower ternate 
12490 Leaves ovate acuminate crenate toothed. Grains naked 
12491 Leaves stalked lane, ovate by degrees acuminate finely serrated, Corymbs dichotomous term, and axillary 
12492 Leaves obovate oblong entire downy 
12493 Leaves alternate lin. lane, entire smooth, Ray oblong trifid : middle segm. largest 
12494 Stem winged. Leaves alternate scabrous roundish ovate cuneate at base 3-nerved 
12495 Leaves ellipt. acuminate serrated stalked veiny decurrent : lower whorled ; upper alternate 
12496 Leaves S-lobed toothed roughish. Petiole naked at base 
12497 Hoary, Leaves somewhat palmate 3-lobed, Petiole leafy at base amplexicaul. 
12498 Leaves lane, obsoletely serrated toothed at base smooth 
12499 Leaves obovate toothed villous 
12500 Cor. of ray 4-fid nearly equal to disk. Leaves hoary with down 
12501 The only species 
12502 Leaves ovate smooth imbricated at the edge and rib ciliate-spiny. Spine of the end reflexed 
12503 Leaves alternate obi. recurved smooth ciliate-spiny. Leaves of invol. ciliated 
12504 Leaves altern. lane, subulate recurved smoothish ciliat. spiny decurr. at base, Segm. of invol. ciliate spiny 
12505 Cauline leaves altern. amplexicaul. ciliate spiny : radical entire unarmed. Scales of invol. entire 
12506 Leaves opp. obi. lane, narrowed at base spiny-toothed smooth. Scales of invol. ciliate spiny 
12507 Leaves altern. ovate spiny-toothed 3-nerved netted hoary villous. Scales of invol. tootlied spiny villous 
12508 Leaves altern. obi. cuneiform spiny-toothed villous on each side, Scales of invol. toothed spiny 
12509 Leaves altern. lane, pinnatifid downy beneath : segm. entire spiny at end, Scales of invol. 3 or 5-fid 
12510 Leaves opp. lane. 3-nerved spiny-toothed downy beneath. Scales of invol. spiny-toothed [toothed 
12511 Leaves altern. lane, spiny-toothed downy beneath. Stem herbaceous 1-headed, Scales of invol. lane, spiny. 
12512 Leaves altern. lane, amplexicaul. spiny-toothed ciliated smooth on each side. Heads cernuous 
12513 Leaves altern. lanceolate oblong fleshy 
12514 Leaves opp, somewhat amplexicaul. ovate 
and Miscellaneous Particulars. 
1806. Osmites. From oiri^n, perfume. One of the species gives out a strong smell of Camphor. 
1807. Encelia. A name of Adanson's, the meaning of which is unknown. A pretty half shrubby plant, 
with grey soft leaves. 
1808. Sclerocarpus. From cxX'^ooif hard, and fruit, with reference to the bony covering of the 
grain. 
1809. Cullumia. Named after Sir Thomas CuUum, an English baronet, and one of the earliest promoters of 
the principles of Linnseus in this country. He is still living, at a very advanced age. 
1810. Berckheya. Named after John Lefranc de Berckhey, a Dutch botanist. 
1811. Didelta. From h?, double, and SeXr*, a Greek letter equivalent to the English D ; because the 
receptacle resembles a double triangle. 
