g6 IPostelsia 



Agrostis aequivalvis Trin. in Mem. Acad. 



Petersb. Ser. 6 2:362. 1845. In swampy 



places in the forest. July 12. R. and B. 



121. 

 Agrostis attenuata Vasey. Bot. Gaz. 11:337. 

 1886. Sandy shores of Lake San, Juan. 



Aug. 7. R. 892. 



Calamagrostis hyperborea Lange Fl. Dan. t. 

 2942. Growing in })atches upon the rocky 

 beaches. July i. R. and B. 77. 



Calamagrostis aleutica Trin. in Bong. Veg. 

 Sitch. 171. Along the edge of the forest. 

 July 8. R. 768. A form of the species grow- 

 ing in the forest. July 23. R. 



HoLCUS LAXATUS L. Sp. PI. 1048. 1 753. Oc- 

 curring in clcarings. July 13. R. and B. 132. 



AiRA CARYOPHYLLA L. Sp. PI. 66. 1 753- On the 

 wide, sandy beach in San Juan harbor. 

 July 22. R. 788. 



Deschampsia caespitosa (L.) Beauv. Agrost. 

 160. 1 81 2. Common throughout and in 

 various habitats. July 13. R. and B. 131. 

 July 16, 21. R. 769,789. 



