18 THE FLORA OF IOWA. 



SolldagO 



Golden-rod. 



386. bicolor, L., var. concolor, 



386. Golden-rod. 



Gray. 





387. latifolia, L. 



387. 



388. speciosa, Nutt. 



388. 



389. var. angustata, Gray, 



389. 



390. rigida, L. 



390. 



391. Ricklcllii, Frank. 



391. 



392. altissima, L. 



392. 



393. ulmifolia, Muhl. 



393- 



394. nemoralis, Ait. 



394- 



395. Missouriensis, Nutt. 



395- 



396. Canadensis, L. 



396. 



397. serotina, Ait. 



397- 



398. gigantea, Ait. 



398. 



399. lanceolata, L. 



399- 



Aplopappus 



Aplopappus. 



400. spinulosus, DC. (See App) 



400. Aplopappus. 



Grindelia 



Grindelia. 



401. squarrosa,Dunal. (See App) 



401. Grindelia. 



Poiymnia 



L.eaf-Cnp. 



402. Canadensis, L. 



402. Leaf-Cup. 



Silphium 



Rosin-Plant. 



403. laciniatum, L. 



403. Compass- Plant. 



404. terebinthinaceum, L. 



404. Prairie Dock. 



405. integrifolium, Michx. 



405. Rosin -PI ant. 



406. perfoliatum, L. 



406. Cup-Plant. 



Partlienium 



Partlienium, 



407. integrifolium, L. 



407. Parthenium. 



Cyclachaena 



Cyclachaena. 



408. xanthiifolia,Fres. (See App) 



408. Cyclachrena. 



Iva 



Marsh Elder. 



409. xanthiifolia, Nutt. 



inn 



4<~>y. 



Ambrosia 



Ragweed. 



410. trifida, L. 



410. Great R. 



411. var. integrifolia, Gray. 



411. Smaller R. 



412. artemisioefolia, L. 



412. Roman Wormwood. 



413. psilostachya, DC. 



413. Western Ragweed. 



Xanthium 



Clotbur. Cooklelmr. 



414. strumarium, L. 



414. Common Cocklebur. 



415. var. echinatum, Gray. 



415. 



Eellpta 



Kclipta. 



416. procumbens, Michx.* 



416. Eclipta. 



Heliopsis 



Ox-eye. 



417. lrevis, Pers., var. scabra, Gr. 



417. Ox-eye. 



Echinacea 



Purple Cone-flower. 



418. purpurea, Mcench. 



418. Purple C. 



419. angustifolia, DC. 



419. 



*Lee County. 





