The Adirondack Region of New York. 405 



Alg®. 

 Sirosiphon Crameri Brugg, 



Fungi. 

 Agaricus montanus PJc. lermium decolorans PI: 



A. ombelliferu8 L. Sphsria Marciensu 



A. Hypnorum Batteh. S. Orepini H 



Puccinia Scirpi Lk. 



Sixteen of these I have observed in no other locality, viz. : 



Rhododendron Lapponicum. M vurella julacea. 



Betnla glandulosa. Hpynum sarmentosum. 



Stipa Richardsonii. Ephebe pubescens. 



Poa lax a. Lecidea Diapensiffi. 

 Arctoa fulvella. ' Sirosiphon Crameri. 



Dicranum polycarpum. Agaricus montanus. 



Conostomum boreale. Puccinia Scirpi. 



Aulaeomnion turgidum. Sphacria Marciensis. 

 I 



The following occur on neighboring mountains but were not seen 

 on Mount Marcy : 



\ii and Cttraria aculeata on Mount Whiteface, Jungermmniia 

 setiformis on Mount. Mclntyre, Clatfonia papiUaia on Mount Skylight, Larix 

 Amerionvu Thuja oe and Hi/pnum Oakesii on Mount Haystack, Vacclu- 



iuiu >n Mts. Dix and Whiteface. 



The following flowering plants of the list may be regarded alpine 

 or sub- alpine, although two or three of them occur tar down the 

 slides, in the elevated passes or on the boggy shores of the moun- 

 tain lakes : 



Nabalus nanus. Juncus trifidus. 



Vaccinium ca?spitosum. Scirpus crespitosus. 



V. uliginosum. Carex scirpoidea. 



Rhododendron Lapponicum. C. rigida v. Bigelovii. 

 Arenaria Grcenlandica. :ostis canina. 



Diapensia Lapponica. Calamagrostis Pickeringii. 



Empetrum nigrum. Poa laxa. 



Salix Cutleri. Hierochloa alpina. 



Several of the species usually occur in swamp*, bogs or wet places 

 and they indicate a similarity between the summit flora of Mount 

 y and the marsh flora of the lower lands. Indeed, the fre- 

 quent rains, the investing clouds, and the low temperature which 

 rdfl evaporation, all conspire to produce that prevalence of 



