378 PLANT LIFE OF ALABAMA. 



In our plant spikelets 4 to 6 flowered, lower glumes extending beyond the flower- 

 ing scales. 



Type locality not ascertained. 

 Herb. Geol. Surv. Herb. Mohr. 



Sieglingia ambigua (Ell.) Kuntze, Rev. Gen. PL 2:789. 1891. 



ROUND-SPIKED SIEGLINGIA. 



PoaambiguaElI.Sk. 1:165. 1817. 



Tricuspis ambigua Chap. Fl. 559. 



Triodia ambigua Vasey, Cat. Grass. 66. 1885. 



Ell. Sk. 1. c. Coulter, Contr. Nat. Herb. 2 : 539. 



Louisianian area. South Carolina, Georgia, Florida, west to Texas. 



ALABAMA: Coast plain. Low swampy pine barrens. Mobile and Baldwin coun- 

 ties. Not rare; July to August. Perennial. 



Type locality: "Found m the mountains of Carolina, by Dr. Macbride, and in the 

 lower country of Georgia, by Dr. Baldwin." 



Herb. Geol. Surv. Herb. Mohr. 



Sieglingia chapmani Small, Bull. Torr. Club, 22 : 365. 1895. 



CHAPMAX'S SIEGLINGIA. 



Louisianian area. Georgia and Florida to Texas. 



ALABAMA: Coast plain. Mobile, dry knolls, with Chrysopogon nutans linnaeantis, 

 October 18, 1896. Rare. Perennial. 



Type locality: "Growing in sand on the slopes of Currahee Mountain, near 

 Toccoa, Georgia, and along the Yellow River, Gwinnett County, in the same State.'' 



Herb. Geol. Surv. Herb. Mohr. 



Sieglingia sesleroides (Michx.) Scribner, Mem. Torr. Club, 5 : 48. 1894. 



FALSE RKDTOI . 



Poa sesleroides Michx. Fl. Bor. Am. 1 : 68. 1803. 



P. quinquejida Pursh, Fl. Am. Sept. 81. 1814. 



Triodia cuprea J. F. Jacq. Eclog. Gram. 2 :21. 1814. 



Tricuspis sesleroides Torr. Fl. N. & Mid. U. S. 1 : 118. 1824. 



Ell. Sk. 1 : 164. Gray, Man. ed. 6, 657. Chap. Fl. 559. Coulter, Contr. Nat. Herb. 2 : 

 539. Vasey, Agr. Grass. (1884) 85, pi. 82. Scribner, Grass. Tenn. 2 : 94:, pi. 31, f. It .'. 



Carolinian area. Southern New York to Missouri, south to Florida and Texas, 

 Indian Territory. 



ALABAMA: Over the State. Dry borders of woods and fields. July; common. 

 Perennial. 



Type locality: "Hab. in regione Illinoensi et in montosis Carolinae." 



Herb. Geol. Surv. Herb. Mohr. 



EATONIA Raf. Journ. Phys. 89 : 104. 1819. 

 (REBOULEA Kunth, Rev. Gram. Suppl. 20. 1829-1835.) 



Three or 4 species, perennials. Eastern United States. 



Eatonia obtusata (Michx.) Gray, Man. ed. 2, 558, 1856. EARLY EATONIA. 



Aira obtusata Michx. Fl. Bor. Am. 1 : 62. 1803. 



A. trunctata Muhl. Gram. 83. 1817. 



Reboulea trunctata Gray, Man. 591. 1848. 



Ell. Sk. 1 : 153. Gray, Man. ed. 6, 659. Chap. Fl. 560. Coulter, Contr. Nat. Herb. 

 2 : 544. Scribner, Grass. Tenn. 2 : 100, t. 34, f. 134. 



Alleghenian, Carolinian, and Louisianian areas. Ontario to Saskatchewan; New 

 York to Michigan, Minnesota, Illinois, and southern Missouri; from New York 

 south to Florida and west to Texas, Arkansas, and Arizona; on the Pacific coast, 

 Oregon and British Columbia. 



ALABAMA : Tennessee Valley. Lower hills to Coast plain. Dry banks, borders of 

 fields and pastures, frequent. Common near the coast. Mobile County. April and 

 May. 



Type locality : " Hab. in aridis, a Carolina ad Floridam " 



Herb. Geol. Surv. Herb. Mohr. 



Eatonia pennsylvanica (DC.) Gray, Man. ed. 2, 558. 1856. 



PENNSYLVANIAN EATONIA. 



Koeleria pennsylvanica DC. Hort. Monsp. 117. 1813. 

 Aira triflora Ell. Sk. 1 : 153. 1817. 

 Aira mollis Muhl. Gram. 82. 1817. 



Ell. Sk. 1. c. Gray, Man. ed. 6, 660. Chap. Fl. 560. Coulter, Contr. Nat. Herb. 2 : 544. 

 Scribner, Grass. Tenn, 2 : 99, t. 84, f. 133. 



