128 BIOLOGICAL SOCIETY OF WASHINGTON. 



412. Solidago stricta, Ait., = Solidago neglecta, Torr. & Gr. 



414. Solidago Virga-aurea, L., var. humilis, Gray. = Solidago humilis, 

 Pursh. 



416. Solidago elliptica, Ait., = Solidago Elliottii, Torr. & Gray. 



417. Solidago arguta, Ait., = Solidago juncea, Ait. 



418. Solidago altissima, L., = Solidago rugosa, Mill. 



439. Aster miser, L., (Ait. of Gray's "Manual"), = Aster vimineus, 



var. foliolosus, Gray. (?) 



440. Aster simplex, Willd., = Aster paniculatus, Lam. 



442. Aster carneus, Nees, = Aster salicifolius, (Lam.) Ait. 



443. Aster sestivus, Ait.,= Aster junceus, Ait. 



445. Aster puniceus, L., var. vimineus, Torr. & Gray, = Aster puni- 

 ceus, L., var. lucidulus, Gray. 



449. Diplopappus linearifolius, Hook., = Aster linearifolius, L. 



450. Diplopappus umbellatus, Torr. St Gray, = Aster umbellatus, Mill. 



451. Diplopappus cornifolius, Darl., = Aster infirmus, Michx. 

 473. Eclipta procumbens, Michx., = Eclipta alba, Hasskarl. 



489. Verbesina Siegesbeckia, Michx. = Verbesina occidentalis, Walt. 



510. Lappa officinalis, Allioni, = Arctium Lappa, L., var. (?) 



512. Cnicus discolor, Gray, = Cnicus altissimus, Willd., var. discolor, 



Gray. 

 520. Cynthia Dandelion, DC, = Krigia Dandelion, Nutt. 

 523. Hieracium venosus, L., var. subcaulescens, Gray, = Hieracium 



venosus, Gray. 

 526 Taraxacum Dens-leonis, Desf. , = Taraxacum officinalis, Weber. 



529. Lactuca Canadensis, L., var. integrifolia, Gray, = Lactuca integri- 



folia, Bigel. 



530. Mulgedium acuminatum, DC, = Lactuca acuminata, Gray. 



531. Mulgedium Floridanum, DC, = Lactuca Floridana, Gaertn. 



532. Mulgedium leucophaeum, DC.,= Lactuca leucophaea, Gray. 



533. Nabalus albus. Hook., = Prenanthes alba, L. 



534. Nabalus Fraseri, DC, = Prenanthes serpentaria, Pursh. 



644. Physalis viscosa, L., of Gray's Manual, = Physalis Virginiana, 

 Mill, of Syn., Fl. of N. A. This change has been pointed out 

 by Mr. Deane. 



