THE ORCHIDS OF NEW ENGLAND. 



I49 



Statistics Flora of the Northern United States. Asa Gray. 



Am. Journal Science, Vol. 23, 1857. 

 Review of Darwin's Fertilization of Orchids through the Agency of Insects. Asa 

 Gray. 



Am. Journal Science, II. Series, Vol. 34, Nov. 1862. 

 The Orchids of America. 



Phila. Times, Nov. (7?), 1882. 

 Notes on the Flora of Vermont. Geo. H. Perkins, Ph. D. 



Burlington Free Press, 1S83. 

 Native Plants adapted for Winter Culture. Mrs. T. L. Nelson. 



Transact, Mass. Hort. Soc, June, 18S2. 

 Herbaceous Plants of Mass. Chester Dewey. 



Zoolog. and Bot. Survey Mass., Boston, 1839. 

 Beautiful Plants Growing Wild in the Vicinity of Boston. E. B. Kenrick. 



Gardener's Mag., Vol. I., Boston, 1S35-6. 

 On Pogonia ophioglossoides. J. H. Scudder. 



Proceedings Boston Soc. Nat. Hist., Vol 9, April, 1863. 

 Remarks on Cypripedium. j 



Remarks on Habs. virescens and - Asa Gray. Amer Jour. , Vol. 36, Sept., 1S63. 



tridentata. J 



Notes on Cyp. spectabile. J Vol. 15, Nov., 1SS1. 



" " -Am. Naturalist. " Oct. 



" Arethusa. ) Vol. 12, July, 1877. 



BOOKS AND ARTICLES WITH DESCRIPTIONS AND 

 ILLUSTRATIONS. 



Botanique Nova Genera. A. Von Humboldt. 



Paris, 1S15 

 British Flower Garden. Robert Sweet. 



1st and 2nd series, London, 1S23-31. 

 Flora North America. W. P. C. Barton, M.D. 



Philadelphia, 1821. 

 Flora Boreali Americana. Sir W. J. Hooker. 



London, 1840 

 Flore des Serres. Louis Van Houtte. 



Ghent, 1854-5. 

 Illustrations of Orchidaceous Plants. Thos. Moore. 



London, 1857. 



