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I^onia,] COMPOSIT.E, 



25 



SuBTRiB. IL Inule^. Capitula nunquam dioica; si heterogama florihvs marginalihus 

 fcemineis s(Bpissime corollas liiignlatas gerentibus^ reliquis J. Rachis plerumque ebracteolata. 

 AntheriB caudatw. Pappus variiis, nunquam gamophylluSy hinc inde nullus. Less. 



65. DONIA. Br, 



Capitulum radiatum. Pappus setaceus, uniserialis, valde caducus, conformis, setis rigidis- 

 simis, subcorneis. Cor, floris foeniinei lingulata, Achenium erostre. Rachis ebracteolata. 



Fruticuli Mexicani {AmericcB septentrionalis) vel Canarienses^ smpe viscosi^ foliis alterniSy 

 semiamplexicaulibuSi oblongis, dentatis; capituKs magnis salitariis, terminalibus, luteis. Less. 



L Z). ^Zw^^?205a;cauleherbaceo ("fruticoso" alior.) erecto, foliis obovato-oblongrsobtusius- 

 culis cum mucrone ante apicem mucronato-dentatis vel integerrimisj involucri glutinosi fo- 

 liolis exterioribus subulatis squarrosis. — Br, HorL Kew, ed. 2. v. 5. p, 82. Ker^ Bat, Reg. 

 L 187. — Aster glutinosus. Cass. — Doronicum. Willd, — Grindelia, Spreng, 



Hab. Common on dry soils, from the source of the Columbia to its confluence with the Pacific. Douylas, 

 — Isutka. Dr. Scouler, — Our specimens have a deep, perennial tap-root, but a decidedly herbaceous stem. 



2. i). squarrosa; caule herbaceo valde ramoso, foliis omnibus oblongis amplexij;aulibus 

 serratis subglaucescentibus, involucri glutinosi foliolis exterioribus subulatis squarrosis. 

 Purshy Fl, A?}?, V. 2, p, 559. Siins^ BoL Mag. p. 1706. — Grindelia squarrosa. Rich, in 

 FrankL \st Journ, ed. 2. App. p, 33. 



Hab. Woody country between lat. 54-° and 6i°. Dr. Richardson, Abundant on the banks of the Sas- 



w 



- katchawan, between Carlton House and Edmonton House, Drummond. Plains of the Red River and vallies 

 of the Rocky IMoutains, on the east side. Dottglas, 



3. D. inuloldes; caule basi sufFruticoso apice pubescente, foliis glabris radicalibus spathu- 

 latis caulinis subovatis serratis basi latioribus subamplexicaulibus, pedunculis pubescentibus, 

 involucri vix glutinosi foliolis exterioribus subulatis squarrosis. — Grindelia inuloides. Desf, 

 in Mem, duMus, v, 5. p. 50, t 15. — /3. ramis foliis involucrisque glanduloso-hirtis. — Grin- 

 delia inuloides. Ker^ in Bot Reg, t, 248. (excellent.) 



Hab. /3. Near the sources of the Multnomah River. Douglas, — The leaves of the whole upper part of the 

 stem are ovate, acuminate, cordate at the base, and amplexicaul; and the species appears to me very distinct, 

 althoug^h Sprengel has united it with D. squarrosa, Mr, Brown seems now inclined to unite his Genus 

 Donia with Grindelia. I have followed Lessing- in keeping them distinct. 



4. D, lanceolata; herbacea, glabra, foliis rigid is ciliato-dentatis acutis radicalibus lanceola- 

 tis longe petiolatis, caulinis lineari-lanceolatis petiolatis superioribus acuminatis basi corda- 

 tis sessilibus amplexicaulibus, caule erecto simplici, floribus 4-5 subcorymbosis, involucri sub- 

 tomentosi (non viscosi) foliolis oblongo-linearibus acutis imbricatis erectis exterioribus sensim ' 

 miuoribus. 



Hab. Saskatchawan, between Carlton House and Edmonton House. Drummond. — Root fusiform, peren- 

 nial, clothed above with the fibrous remains of the former year's root-leaves. Stem a foot and a half high, 



5. D, iinifiora; herbacea, subdecumbens^ foliis rigidis radicalibus lanceolatis grosse acute 

 dentatis acuminatis longe petiolatis, caulinis oblongo-lanceolatis sessilibus superioribus basi 



"VOL. II. D 



