5^5 



RUDBECKIA triloba. 



Eight-rayed Ritdbeckia. 



SYNGENESIA POLYiUMIA FHUSTIljiNE^, 



Nat. ord. CoMPOSiTiE- Adtinsonfam. % 103, 



CoRYMBiFER^. Jumefii (jeti. 177- Div. VL Recept pa- 



leaceum. Semen apice dentatum aut paleaceum. Flores 



in plmimis radial, in paucis flosculosi. 



Helianthe^. Cassini in imm. de phys. 88 (an 1019), 191. 



RUDBECKIA. Flm-es radiati« ligulis neutris. Cal duplici scrie poly- 



phyllus subxqualis patens* Sem. apice mai^nata, margine membranaceo 



4-aentato. Recent, conicum. Juss. I c. 189, Herbce: foL altjema, indivUa, 



lobata V. pinnatijSda: fiares terntinales; discus $<Bpi fnseus, rtuiins iuteuSf 



rard JnscescenSf sefnel purpurascens. Stigmata s(Bpt obtum. Nuttall gen. 2. 



178; (ex angt) 



K, triloba f hirsuta: foliis inferioribus tripartitis^ superioribus indivisiSj lato- 



lanceolatis. Michaux bor* amer^ % 144. 

 Kudbeckia triloba. Linn. sp. pL ecT. 2* 2. 1280. MilL diet. ed. 8, n. 3. 



Hort, Kew, ed. 2. 6- 130. Pursk amer. sept, 2. -575. Willd. sp. pL 3, 



2247. Nultallgeti. 2. 178. n. *l. 

 Rudbeckia subtomentosa. Pursk amer, sept* 2. &75* 

 Rudbeckia aristata. Solander in sched, et herb* banks, Pursk amer* sept. 3. 



574. NnttaUgen. 2. 178. n. 7. 

 Rudbeckia foliis inferioribus trilobis superioribus indivisis. Qron. virg. ed* 3. 



130; (affimmnte exemplario archetypo). 

 Rudbeckia foliis trilobis. Id* ed* 1. 180, 

 ChrysanthemuQi cannabinum vii^nianum hirsutum disco nigro, petcdis aureit 



radiato. Pluk. aim. 100, t. '^^f* 2. 

 (a) foliis hirtellis, manifestifis dentatis^ calyce reflexo (Carolinse). Mich. L c* 

 (0) foliis subtomentosis, calyce incumbeiite (Regionis Illinoensis). Mich* L c. 



Biennis? Caulis hispidusy corymboso-ramosus. FoL Jiispida, summa, 

 subsessilia, lanceolaia, oblonga^ subAnerma, inferiora spathulato-obtanga ; 

 ima nounulla triloba. Pedunculi ruhiaindi, sulcato-striati : flores erecti, 

 diametro subbiunciali : calyx simplex viridis steilato-patetitissimus, extHs ap- 

 presse hirsutm, dnplo hrevior corollA ; foliola 8, limaria, angusta^ obttisula, 

 distantia^ subbiscriata* Radius Jlavissimus neuter; flosc^. 8 un^ cum ger- 

 minibus omnind divaricati et distantes; ligula lanceoluta bipHcata obtusula 

 cxtiis pilis caducis aspersa ; tubus brevis horizontalis viUosus. Discus tii5ra- 

 tuTiduSy fusco-sanguiTteus lucidns; tiosc* cyiindrici glabri, faux tubo palUdo 

 germinis isoperimetro vix amptior, limbus brevis atrorubens connivens: germ. 

 subroseo-pallescens obversum ohlongum ^-gonum glahum margine brcvi pur- 

 purea c&ranatum ; stig, 2 su/}clavato-^liformiaf pruijwso-capitaia ( Palpamm 

 instar) diveiyentia fusco-punicantia^ ezserta, Anth. aterrimas. Palew 

 »upemi punicantes nitidte^ oblongs, aristatO'cnsjndatie, n<€vis 2 callosis 

 atrosanguineis lisvibus lineari-fHSiformibus angnstissimis longitudinalibus <J 

 fade utr6qite prominvHs mtrn wargitum utrimfpfe latcris insignitm. 



VOL, VII, C 



