ADDITIONS TO THE FLORA OF WASHINGTON. 129 



832. Quercus stellata, Wang., = Quercus obtusiloba, Michx., as adopted 

 by Sargent in his " Forest Trees of N. A.," vol. ix, Tenth Cen- 

 sus of United States. 



S37. Quercus Muhlenbergii, Engel, = Quercus prinoides, Willd., as 

 adopted by Sargent. 



1101. Vilfa aspera, Beauv. ==Sporobolus aspera, Kth. 



1 105 Agrostis alba, L., = Agrostis vulgaris, var. alba, Vasey. 



1 1 14. Calamagrostis Nuttalliana, Steud., = Deyeuxia Nuttalliana, Vasey. 



11 24. Tricuspis seslerioides, Torr. , = Triodia seslerioides, Vasey. 



1 129. Glycera aquatica, Smith, = Glycera arundinacea, Kth. 



1 140. Eragrostis poaeoides, Beav.,= Eragrostis minor, Host. 



1141. Eragrostis poaeoides, var. megastachya, Gray. = Eragrostis major, 



Host. 



1 165. Gymnostichum Hystrix, Schreb., = Asperella Hystrix, Willd. 

 1187. Panicum pauciflorum, Ell.. = Panicum scoparium, Lam. 



1 198. Erianthus alopecuroides, Ell., = Panicum saccharoides, Michx. 



1199. Andropogon furcatus, Muhl., = Andropogon provincialis, Lam. 



1201. Andropogon argenteus, Ell., = Andropogon argyraeus, Schultz. 



1202. Andropogon Virginicus, L., = Andropogon dissitiflorus, Michx. 

 1204. Sorghum nutans, Gray. = Chrysopogon nutans, Benth. 



V. NEW LOCALITIES FOR RARE SPECIES. 



26. Aconitum uncinatum, L. 



Near Clifton Station, Va., Sept. 20, 1885, by Prof. Ward. 

 78. Thlaspi arvense, L. Field Pennycress. 



Below St. Elizabeth's, May iS, 1884, by Prof. Ward. 

 106. Silene nivea, DC. 



Alexander's Island, June 25, 1SS5. Mr. J. A. Allen. 

 300. Drosera rotundifolia, L. 



Sarracenia Swamp, May 10, 1S85; also at Fort Ethan Allen, 

 by Mi". William Palmer. 



304. Callitriche Austini, Engelm. 



Brightwood, May 10, 1885. Mr. J. A. Allen. 

 415. Solidago rigida, L. 



Woodley Park, in fruit, Oct. 18, 1885. Prof. Ward and myself. 



