CONSPECTUS. ao5 



ORDER I.. 



saxifeagace^a, oe saxifrages. 

 Genera : 



1. Astilbe, Don. False Goat's-beard. Bpecies : 



Astilbe decandra, Don. 



2. Saxifraga, L. Saxifrage. Specie^ 8. 



3. JBoyMnia, Nutt. Species : 



BoyMnia aconitifolia, Nutt. 



4. iSuUivantia, Torr. & Gr. Species : 



SuUivantia Ohionis, Torr. & Gr. 

 6. Seuchera, L. Alum-root. Species 4. 



6. MiteUa, Tourn. Mitre-wort. Bishop's-cap. Species 2. 



7. Tiarella, L. False Mitre- wort. Species : 



Tiardla cordifolia, L. 



8. Chrysosplenium. Toum. Golden Saxifrage. Species: 



Ghrysosplenium Americanum, Schwein. 



9. Itea, L. Species : Itea Virginica, L. 



10. Hydrangea, Gron. Species : 



Hydrangea arborescens, L. "Wild Hydrangea. 



11. JRhiladelphus,!!. Mock-Orange. Species: 



Philadelphus inodorus, L. 



ORDER III. 



HAMAMELACEiE, OE WITCH-HAZEL-WOETS. 



1. Ilamamelis, Witch-Hazel. Species : 



Hamamelis Virginica, L. 



2. FothergiUa, L. f . Species : Fothergilla alnifolia, L. f . 



3. Xiguidambar, L. Sweet Gum-Tree. Species : 



JLiquidambar Styraciflua, L. 



ORDER lill. 



TJMBELLIEEEiE, OE TJMBELWOETS. 



1. Sydrocotyle, Toum. Water Penny-wort. Species 4. 



2. Crantzia, Nutt. Species : Crantzia lineata, Nutt. 



3. Sanieula, Toum. Sanicle. Black Snakeroot. Species 2. 



