WASHINGTON, AND MARION COUNTIES. 49 



ORDER SOLANACRdE— NIGHTSHADE FAMILY. 



Genus Solanum, Nightshade, 



493. Bittersweet, Solatium Dulcamara (L.) 



494. Common Nightshade, S. nigrum (L.) 



495. Bull Thistle, S. Carolinense (L.) 

 Genus PJiysalis, Ground CJicrry. 



496. , Physalis angulata (L.) 



497. — — — , P. pubescens (L.) 



498. , P. viscosa (P.) 



Genus Nicaudra, Apple of Pent. 



499. , Nicandra physaloides (Gaertn.) 



Genus Datura, TJiom Apple. 



500. White Jamestown Weed. Datura Stramonium (L.) 



501. Purple Jamestown Weed, D. Tatula (L.) 



ORDEE GENTJANACE/E GENTIAN FAMILY. 



Genus Sabbatia, American Centaury. 



502. Rose Pink, Sabbatia angularis (Pursh.) 



Genus Frasera, American Columbo. 



503. Columbo, Frasera Carolinensis (Walt.) 



ORDER LOGANIACE.E— LOGAN1A FAMILY. 



Genus Polypremum, Polypremum. 



^04. , Polypremum procumbens (L.) 



ORDER APOC'YNACEiE- DOGBANE FAMILY. 



Genus Apocynum, Dogbane. [(L.) 



505. Spreading Dogbane, Apocynum androssemifolium 



506. Indian Hemp, A. cannabinum (L.) 

 ORDER ASCLEP1ADACE/E-MILKWEED FAMILY. 



Genus Asclepias, Silkweed. 



507. Silkweed, Asclepias Cornuti (Decainse.) 



508. Poke Milkweed, A. phytolaccoides (Pursh.) 



509. Purple Milkweed, A. purpurascens (L.) 



510. Variegated Milkweed, A. variegata (L.) 



511. Four leaved Milkweed, A. quadrifolia (Jacq.) 



512. Obtuse; leaved Milkweed, A. obtusifolia (Michx.) 



513. Whorled Milkweed, A. verticillata (L.) 



514. Pleurisy root, A. tuberosa (L.) 



515. Swamp Milkweed, A. incarnata (L.) 



PROLOG. BUB. J 



