the chaff resembling involucral scales, each covering a pistillate 

 floret. Annuals : leaves sessile, entire ; heads in capitate clusters. 



1. F. Germdnica, L. Stem mostly dichotomous ; leaves linear-lance- 

 olate, erect ; heads in terminal and dichotomal clusters ; involucral 

 scales cuspidate, woolly at base. 



Gnaphalium Germanicum. L. $ Fl. Cestr. ed. 2. p. 493. 

 GERMAN FILAGO. Common Cud-weed. 



Stem 6 to 9 inches high, woolly, mostly dichotomous above, or with 2 or more 

 proliferous spreading branches arising from the central clusters of woolly heads, 

 sometimes branching from near the root. Leaves half an inch to three quarters 

 in length, woolly on both sides, somewhat clasping. Heads of flowers small, in dense 

 roundish-ovoid clusters. 

 Hob. Dry hills ; roadsides, &c. Nat. of Europe. Fl. July. Fr. Aug. 



Obs. This seems clearly to be an introduced plant, and has only 

 found its way, as yet, into the northern portion of the County. 



SUBTRIBE 6. SENECICMEAK 



Heads discoid, or radiate, never di&icous; marginal florets pistillate; anthers 

 without tails at base ; pappus capillary, often soft and white ; receptacle mostly nak- 

 ed. Leaves generally alternate. 



216. ERECHTrTES, Rafin. 



[The ancient Greek name of some species of Senecio.'] 



Heads many-flowered, discoid, the florets all fertile. Involucre cyl- 

 indric-oblong, smooth ; scales in a single series, linear, acute, with 

 subulate bractlets at base. Akenes oblong, tapering at apex ; pappus 

 copious, soft and silky, very white. Coarse annuals : leaves undi- 

 vided ; heads corymbose-paniculate ; florets whitish, very slender. 



1. E. hieracifolia, Rafin.' Smoothish; stem striate-sulcate, 

 often virgate ; leaves lance-oblong, acute, sessile, the upper ones 

 auriculate at base and somewhat clasping, unequally dentate, 

 Senecio hieracifolius. L. $ FL Cestr. ed. 2. p. 498. 



HlERACIUM-LEAVED ERECHTITES. Fire-WCed. 



Stem 2 to 4 or 5 feet high, stout, succulent and tender when young, planiculate- 

 ly branchedj or occasionally subsimple and virgate. Leaves 3 to 6 or 8 inches long. 

 Heads of flowers in small cymose corymbs terminating the paniculate branches. 

 Hob. Moist grounds ; recent clearings, <fcc. : common. JV.'July. Fr. Sept. 



Obs. This plant is remarkable for its prevalence, in and around 

 spots where brush-wood has been burned; whence its popular 

 name of "fireweed." 



CACAXIA, L. 



[An ancient Greek name, of uncertain meaning.] 



Heads few- or many-flowered, discoid ; florets all perfect. Involucre 

 ovoid-oblong ; scales in a single series, with a few bractlets at base. 

 Akenes oblong, smoothish ; pappus of numerous roughish hair-like 

 bristles. Receptacle flat, naked, or sometimes with a conical cluster 

 of concrete chaff in the centre. Smooth perennials : leaves often 

 petiolate ; heads in flat corymbs ; flowers whitish. 



1. C. atriplicif tlia, L. Lower leaves broad-cordate, sinuate* 



