CONSPECTUS. 105 



ORDER li. 



saxifragace^, oe saxifrages. 

 Genera : 



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



Astilhe decandra^ Don. 



2. Saxifraga, L. Saxifrage. Species 8. 



3. Boykinia^ Nutt. Species : 



Boyhinia aconitifolia^ Nutt. 



4. SuUivantia, Torr. & Gr. Sj^ecies : 



Sullivantia Ohionis, Torr. & Gr. 



5. Heuchera, L. Alum-root. Species 4. 



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



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



Tlarella cordifolia, L. 



8. Chrysosplenium, Tourn. Golden Saxifrage. Species : 



Chrysosplenium Americcmiwi, Schwein. 



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

 10. Hydrangea^ (j(YOTL. Species: 



Hydrangea arbor escens, L. Wild Hydrangea. 

 M. jPhiladelphus,L. Mock-Orange. S2yecies : 



Philadelphus inodorus, L. 



ORDER LI. 



HAMAMELACE.E, OR WITCH- HAZEL- WORTS. 



1. Ilamamelis, Witch-Hazel. Species : 



Hamamelis Yirginica^ L. 



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



3. LiquidambaVj L. Sweet Gum-Tree. Species : 



Liquidainbar Styracijiaa, L. 



ORDER LII. 



UMBELLIFEE^, OR UMBELWORTS. 



1. Hydrocotyle, Tourn. Water Penny-wort. Species 4. 



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



3. Sanicukij Tourn. Sanicle. Black Snakeroot. Species 2. 



