Io8 THE GRAPES OF NEW YORK. 



C.C. Leaves rusty or white tomentose or glaucous blue below, 

 thick or at least firm. ( V. cinerea, V . arizonica and possibly 

 V . calijornica might be sought here.) 



D. Leaves flocculent or cobwebby or glaucous below 



when fully grown (i. e. not covered with a thick dense 



felt-like tomentum except sometimes in V. doaniana). 



E. Shoots white tipped ; ends of the growing 



shoots and the under surface of the leaves 



whitish or gray x6. V. girdiana. 



17. V. doajiiana. 

 E.E. Shoots rusty tipped; the unfolding leaves 

 and (except in V . bicolor) the young shoots dis- 

 tinctly ferrugineous ; mature leaves either rusty 

 or bluish below or sometimes becoming green 

 in V. bicolor i8. V. aestivalis. 



19. V. bicolor. 



20. V. caribaea. 

 D.D. Leaves densely tomentose or felt-like beneath 



throughout the season; covering white or rusty white. 



E. Tendrils intermittent 21. V. candicans. 



22. V. simpsoni. 



E.E. Tendrils mostly continuous 23. V. Ubrusca. 



.\.A. Skin and pulp of mature berry cohering. (Old World) 24. V. vinifera. 



I. VITIS ROTUNDIFOLIA Michx.' 



1. Trans. Am. Phil Soc, 1771:339. 2. Michaux, 2:231. 1803. Muscadine grape. 3. Bar- 

 tram, Dom. Enc, 5:289, 290. 1804. V. t.\urina; V. vulfitta; BtUl grape. 4. Muhlen- 

 berg, 1813:27. V. verrucosa; V rolundifolia; Fox grape; Bull grape. 5. Pursh, i:i6g. 

 1814. Bull grape; Bullet grape. 6. Xuttall, i :i43. 1818. 7. EUiott, 2:687. 1824. V. I'ulpina; 

 Fox grape. 8. Rafinesque, 1830:16. V. vulpina; V. muscadina; V. rotundifolia; V. incisa. 9. (?) 



' Andr6 Michaux was a French botanist, bom at Satory, Versailles, in 1 746. He took up the study 

 of botany and made many trips to foreign lands in behalf of the French Government. One of these 

 was an expedition to North America where he remained from 1785 to 1796 exploring the country 

 and gathering many botanical specimens through Canada, Nova Scotia and the United States as far 

 west as the Mississippi. His chief works are Histoirc des clwttes de V Amerique Scptentrionale ( History 

 of tlie Oaks of North America), 1801 ; and Flora Boreali Americana, 1S03. He described and named 

 Vitis rotundifolia, V . aestivalis, V. cordifolia, V. riparia, and V. rubra, as well as giving much 

 information on other species. Michaux died on the Island of Madagascar in 1802. 



F. Andr<5 Michaux was born at Versailles In 1770 and died at Vaureal in 1S55. He was a son of 

 Andr^ Michaux and also a botanist, and like his father employed by the French Government to 

 explore North America with a view of introducing valuable plants into France. He published in 

 i8io-r3 a Histoirc des Arbres Forestieres de VAmerique Septentrionalc which was later translated 

 into English under the name North .4»mTiVa)» Sylva. He also published .4 ro\'ag<" a l-oucst des Montt 

 Alleghanys, 1804. 



