310 PRACTICAL BOTANY. 



21. Dlgelovia, D. C. Rayless Golden-rod. Species: 



Bifjelovia oiudata, D. C. 



22. Chri/sojysis, Nutt. Golden Aster. Sjyecles 5. 



23. Imila, L. Elecampane. /Sj^ecies: 



Inula Helenium, L. 



24. Pluchea, Cass. Marsli Fleabane. Species 2. 



25. Baccharis, L. Groundsel-Tree. Species 2. 

 2C. Polymnia, L. Leaf -Cup. Sjyecies 2. 



27. Chrysof/onum^ L. Species: 



Chrysogonum Virginianum^ L. 



28. Silpliium^ L. Xlosin-Plant. Species 6. 



29. Partheniitm^ L. Sj^ecies: 



.Part/ieniiwi integrifolium, 'L. 

 00. Jy<:/, L. Marsli Elder. Highwater-shrub. Sj'iccies 2. 



31. Ambrosicij Tourn. Ragweed. Species 4. 



32. JCcmthiu7n, Tourn. Cocklebur. Clotbur. Species 2. 



33. Tetnigo7iothecay Dill. Species: 



Tetragonotheca helianthoiaes, L. 



34. Eclipta^ L. Species: 



Eciipta procumhens^ Mx. 



35. Porrichia^ Adans. Sea-Ox-eye. Species: 



Borriclda frutescens^ D. C. 



30. Jleliopsis^ Pers. Ox-eye. Species: 



Heliopsis Icevis, Pers. 



37. Echinacea, Mocnch. Purple Cone-flower. Sp>ecies 2. 



38. Rudheckia, L. Cone-flower. Species G. 



39. Lepachys, Raf. Species : 



Xepachys pin^iata, Torr. & Gr. 



40. Hellanthus, L. Sunflower. Species 18. 



41. AcVmomeriSj Nutt. Species 2. 



42. Coreopsis, L. Tickseed. Species 12. 



43. Pidens, Ji. Bur-Marigold. Species G. 



44. Yerhesina, L. Crownbeard. Species 2. 



45. Dysodia, Cav. Fetid Marigold. Species : 



Pysodia chrysajithemoides. Lag. 



46. Ilymenopappus^ L'Her. Species : 



Hymenopappus scahioscBus, L'Her. 



