604 



Achillea argentea. Lam. Encycl. meth. I, p. 29. — Poir. Ibid. Sttppf. I, p. 98, 

 Hab. in Sibiriae altaicae salsuginosis ad fl. Irtysch (Patr. ex Dec). 4. — 



Nec nobis, nec nullo alio pereo;rinatori nostri temporis obviuni fuit. 

 /3. glabratum (Dec. I. c. p. 131) foliis superioribns glabratis , involucri squamis 



minus scariosis, pappo paulo longiore dcntifulato. 



Pvrethrum discoideum. Besser ex Dec. non Ledee. 



Hab. in Rossia australi [ad Wolgam inferiorem (Besser cx Dec.)]. 4. 



Quid?: Tanacehim incanum. Georgi Beschreib. d. Russ. R. III, 4. p. 1231. — 



In Rossia australi [in gub. Cherson pr. Ot- 

 schakow (Mever ex Georgi). 



Suhtrihus V. Gnaphalieae. Lessing Si/n. p. 269. ~ 

 Dec. Prodr. VI, p. 149. — Fenzl in Flora 1839, 

 II, p. 706—717. 721—731. 737—760. 



Capitula homogama seu heterogaraa , rarius heterocephala , raris- 

 sime dioica V. subdioica, inulti - ])auciflora, rarius uniflora. Corollae tu- 

 bulosae, deiitatae ; florum femiueorum v. ueutrorum filiformes , raris- 

 sime lif^ulatae v. tubuloso-difformes, ainpliatae v. irregulariter 3 — Sfidae. 

 j^utherae caudatae. Stylus florum hermaphroditoruin rainis exappen- 

 diculatis; masculorum saepe indivisis. Pappus capillaris, pilosus v. 

 setaceus, scaber v. plumosus, rarius nullus, rarissiine paleaceus, e pa- 

 leolis liberis v. basi coalitis raultipaleaceus v. coroniformis. 



Divisio 1. Helichryseae. Fenzl 1. c. p. 726. 



Capitula homogama v. heterogama , rarissiine dioica v. subdioica, 

 discoidea, multi -pauciflora, rarissime unum alterumve, nunquam oinnia 

 uniflora, solitaria v. varle aggregata, nec in glomerulos receptaculo coin- 

 muni impositos involucratos coarctata. Flores tubulosi regulares, radii 

 nuuquam ligulares, masculorum styli apice clavato-truncati v. obsolete 

 bifidi. Receptaculum totuin epaleatum, nudum v. fimbrilliferura. 



Subdivisio 1. E ugn a p h a liea e. Fenzl 1. c. p. 727. 

 Achenia orania papposa. 



517. Heliclirjsum. Dec. 



Dec. Prodr. VI, p. 169. — E^dlicher. gen. p. 446. — Meisn. gen. p. 218. — Com- 

 ment. p. 137. 



C.-ipituIum multiflorum, homogamum v. heterogamum : floribus mar- 

 ginalibus uniseriatis, saepe paucissimis , gracilibus , femineis; reliquis 

 hermaphroditis. Involucri imbricati squamae scariosae : interiores con- 

 niventes v. radiantes. Reeeptaculum planum, epaleatum, nunc nudum 

 V. areolatum, nunc fimbrilliferum. Corollae tubulosae; femineae fere 

 filiformes, limbo .5dentato. Antherae basi bisetae, Stigmata exserta, 

 apice vix incrassata. Achenia sessilia, erostria, areola terminali. Pappi 

 uniseriati setae subscabrae v. apice barbatae, nunc liberae , nunc basi 

 aequaliter concretae, nuac inaequaliter coadunatae v. ramosae. 



