20 



THE FLORA OF IOWA. 



Datura 



628. Stramonium, L. 



GENTIANACEiE. 

 Geiitiana 



629. quinqueflora, Lam., var. 



occidentalis, Gray. 



630. crinita, Frcel, 



631. delonsa, Fries. 



632. alba, MuU. 



633. Andrewsii, Griseb. 



634. Saponaria, L. 



635. puberula, Michx. 

 ^It'iiyantlies 



636. trifoliata, L. 



APOCYNACE*:,. 

 Apocyiinni 



637. androsaamifoliiim, L. 



638. cannabinum, L., var. gla- 



berrimum, DC 



639. var. hypericifolium, Gr. 



ASCtEPI.iOACK *:. 

 Aselopias 



640. Cornuti, Decaisiie. 



641. SuUivantii, Engehn. 



642. phytolaccoides, Pursh. 



643. purpurascens, L. 



644. ovalifolia, Decaisne. 



645. incarnata, I^. 



646. obtusifolia, Michx. 



647. Meadii, Torr. 



648. tuberosa, L. 



649. verticillata, L. 



650. viridiflora. Ell. 



651. longifolia. Ell. 



oleaoea:. 



Eraxiniis 



652. Americana, L. 



653. viridis, Michx. f. 



654. sambucifolia, Lam. 



655. quadrangulata, Michx. 



AKISTOLOC HIACi: IC. 

 Asjiriiiit 



656. Canadense, L. 



NYCTAGINACBili. 

 <>xyl»a]»liiis 



657. nyctagineus. Sweet. 



658. angustifolius, Sweet. (Av 



App.) 



659. albidiis, Sweet. {See App.) 



Jamestown-AVced. TIiorn-Applo. 



628. Common Stramonium. 



GENTIAN 1 AMILi'. 

 Gi'ntiaii. 



629. Five-flowered Gentian. 



630. Fringed G. 



631. Smaller Fringed G. 



632. Whitish G. 



633. Closed G. 



634. Soapwort G. 



635. Gentian. 

 BiK-Ubeaii. 



636. Buckbean. 



DOGBANE F.VilIILY. 



Do5;'l)anC'. Indian H«inp. 



637. Spreading Dogbane. 



638. Indian Hemp. 



639. " 



MILKWEED FAlflLY. 



Milkweed. Silkweed. 



640. Common Milkweed. 



641. Milkweed. 



642. Poke-M. 



643. Purple M. 



644. Dwarf M. 



645. Swamp M. 



646. Milkweed. 

 647. 



648. Butterfly-weed. 



649. Whorled Milkweed. 

 (ireen MilkAVJH'il. 



6c;o. Gi'een ^I. 

 651. 



OLIVE F. V:\IILV. 



Ash. 



652. White Ash. 



653. Green A. 



654. Black or Water A. 



655. Blue A. 



HIRTHWOKT IMMILV. 



Wild Ginger. .Vsiir!il>!i<<a. 



656. Wild G. 



FOUR-O'CLOCK f.\:mii.\ . 



0\_\'ba]dvns. 



657. Oxybaphus. 

 658. 



659. 



