15 



CUPULIFERJE. 



1871. 



1872. 



1873. 



Corylus Americana, Walt... Mch 11 Mch 21 Aprl 4 Aprl 19 



^Ostrya Virginia, Willd Aprl 12 Aprl 25 May 6 



Carpi mis Americana, MX. . . . 



BETULACE^E. 

 Betula nigra, L Aprl 9 Aprl 25 May 7 



SALICACE^E. 



Salix humilis, Marshall 



discolor, Muhl Mch 21 Aprl 3 Aprl 8 Aprl 20 Aprl 3 



eordata, Muhl Aprl 17 Aprl 30 



"2 nigra, Marshall 



var. amvirdaloides. . . . 



loiiffitolia/Muhl May 1 



lueida, Muhl. ? 



Pojuilus tremtiloides, MX Mch 13 Mch 23 Aprl 5 Aprl 17 Aprl 2 



_3 monilifern, Ait Aprl 4 Aprl 8 Aprl 19 Aprl 26 May 6 ! 



CONIFER& 



Juniperus Virginiana, L 



AfeACEji 

 Ari.-asrna triphylluni, Torr... Aprl 25 May 7 



Dracontium, Sehott May 11 



i Symplocarpus f'cetidus, Salisb. Mch 9 Mch 31 Aprl 5 Aprl 17 Aprl 1 



"-^Aeorus Calamus, L June 1 



TYPHACE^:. 



Typha latifolia, L 



Sparganium eurycarpuin, Eng May 12 June 1 



NAI ADAGES. 



Zannicheliia palustris, L 



Putatnogeton natans, L 



hybridns, MX 



ALISMACE^E. 

 Alistna Platitago, v. Am., Gr. 

 ^ Sagittaria variabilis, Engelin. 



calycina, Engelm Frost 



heteiophylla, Pursh 



grarninea, MX 



ORCHIDACE^E. 



Orchis speetabilis, L May 11 



Spiranthes cernna, Richard.. Sept 14 Frost 



gracilis, l-iigelow Aug 8 Sept 8 ! 



Caloposon pnlchfllus, R. Br. June 9 July 1 



Microstylin ophioijlossoides, N June 10 



Liparis liliit'olia, Richard .... June 1 June 25 June 8 



Corallorhizaodontorhiza, Nutt Sep 26 ! 



C\vpripedium camJidum, Muhl May 20 May 19 



*\>r ]ubesceii<, Willd May 19 June 1 



\ spectabile, Svvartz June 12 June 9 June 26 June 12 



