310 PRACTICAL BOTANY. 



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



Sigelovia mcdata, D. C. 



22. Chrysopsis, Kutt. Golden Aster. Species 5. 



23. Inula, 1-1. Elecampane. Species: 



Inula Selenium, L. 



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



25. BacchariSjli. Groundsel-Tree. /Species 2. 



26. Polymnia, L. Leaf -Cup. Species 2. 



27. Chrysoffonum, li. Species: 



Chrysogonum Virginianum, L. 



28. Silphitim, L. Rosin-Plant. Species 6. 



29. Parthenium,'h. Species: 



.Part/ienium integrifolium, L. 



30. Jyffl, L. Marsh Elder. Highwater-shrub. Species 2. 

 81. Ambrosia, Tourn. Ragweed. Species 4. 



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



33. Tetragonotheca, Dill. Species: 



Tetragonotheca helianthoiaes, L. 



34. Eclipta, L. Species: 



JEciipta prooumbens^ Mx. 



35. Horrichia, Adans. Sea-Ox-eye. Species: 



JBorrichia frutescens, D. C. 



36. Ileliopsis, Pers. Ox-eye. Species: 



. Seliopsis Icevis, Pers. 



37. Echinacea, Moencli. Purple Cone-flower. Species 2. 



38. Pudhechia, L. Cone-flower. Species 6. 



39. ie^acAys, Eaf. Species: 



Zepachys pinnata, Torr. & Gr, 



40. Selianthus, L. Sunflower. Species 18. 



41. Actinomeris, Nutt. Species 2. 



42. Coreopsis, L. Tickseed. Species 12. 



43. Pidens, Ii. Bur-Marigold. Species 6. 



44. 'Fe»•5(^s^■«a, L. Crownbeard. Species 2. 



45. Dysodia, Cav. Fetid Marigold. Species : 



Dysodia chrysanthemoides. Lag. 



46. Hymenopapptis, L'Her. Species: 



HymenOpappus scabioscBus, L'ller. 



