14 FERNS AND 



HYPERICUM, L. St. Johns-wort. 



prolificum, L. 



corymbosum, Muhl. 



perforatum, L. 

 HYPOPITYS, Dill pine sap. 



lanuginosa, Nutt. false beech-drops. 

 HYPOXIS, L. star grass. 



ereeta, L. 



I. 



ILYSANTHES, Raf. (lindernia). 



gratioloides, Benth. false pimpernel. 

 IMPATIENS, L. balsam. 



pallida, Nutt. 



fulva, Nutt. 

 INULA, L. elecampane. 



helenium, L. common elecampane. 

 IODANTHUS, Torr. <Sf Gr. false rocket. [Michx. 



hesperidoides, Torr. d[ Gr. (hesperis pinnatifida,) 

 IRIS.i. flag. 



versicolor, L. large flag. 

 ISANTHUS, Mich, false pennyroyal. 



casruleus, Mich. 

 ISNARDIA, L. (Ludwigia Elliott). 



palustris, Willd. water purslane. 

 ISOPYRUM, L. (Enemeon). 



biterntum, Torr. dr Gr. 



J. 



JEFPERSONIA, Barton, twin-leaf. 



diphylla, Per.?, rheumatism-root. 

 JUGLANS, L. walnut. 



nigra, L. black-walnut. 



cinerea, L. butternut. 



JUNCUS, L. rush. 



effusus, L. common rush, 

 tenuis, Willd. slender rush, 

 marginatus, RoHk. 

 acuminatus, Michx. 

 scirpoides, Lam. 



K. 



KYLLINGIA, L. 



pumila, Mich. 



