384 PLANT LIFE OF ALABAMA. 
Briza minor L. Sp. Pl.1:70. 1753. SMALLER QUAKING GRASS. 
EUROPE, TROPICAL AMERICA. 
Carolinian and Louisianian areas. From New Jersey southward. Adventive and 
more frequently naturalized than the above. 
ALABAMA: Coast plain. Dry grassy places, roadsides, pastures. Mobile County. 
May, June. Not rare. Annual. 
Type locality: ‘‘ Hab. in Helvetia, Italia,” 
Herb. Geol. Surv. Herb, Mohr. 
DACTYLIS L.Sp. Pl.1:71. 1758. 
One species, Kurope, temperate Asia, North Africa. Naturalized in North America, 
Dactylis glomerata L.Sp.Pl1:71. 1753. ORCHARD GRASS. 
El. Sk. 1:155. Gray, Man. ed. 6, 663. Chap. Fl. 564, Scribner, Grass. Tenn. 
2:104, #..35, f. 140. 
Alleghenian to Louisianian area. From Canada to the Gulf, 
ALABAMA: Over the State. Cultivated and rarely escaped. Perennial. 
Type locality: ‘Hab. in Europae cultis ruderatis, 
Economic uses: Valuable hay crop. 
Herb. Geol. Surv. Herb. Mohr. 
POA L. Sp. P1L1:67. 1753. 
About 100 species, cooler and temperate regions of both hemispheres. United 
States, 35 to 40, 
Poa annua L. Sp. Pl. 1:68. 1753. SPEAR GRASS. SIX-WEEKS GRASS. 
Ell. Sk. 1:158 Gray, Man. ed. 6,664. Chap. Fl. 562. Wats, Bot. Calif. 2:311. 
Scribner, Grass. Tenn, 2: 106, t. 36, f. 241. 
Mexico, BRAZIL. 
Naturalized throughout the continent from Hudson Bay to the Gulf of Mexico, 
and from the Atlantic to the Pacific coast. 
ALABAMA: All over the State. A winter annual, common in waste places and door- 
yards, Flowers at Mobile in February; disappears with the advent of summer, 
Type locality: ‘Hab. in Europa ad vias.” 
Herb. Geol. Surv. Herb. Mohr. 
Poa chapmaniana Scribner, Bull. Torr. Club, 21:38. 1894, 
CHAPMAN’S SPEAR GRASS. 
Poa cristata Chap. F1.562. 1860. Not Walt. 
Chap. Fl.l.c.  Seribner, Grass. Tenn. 2: 107, t. 36, f. 142. 
Carolinian and Louisianian areas. Central Tennessee to middle Florida. 
ALABAMA: Mountain region. Central Prairie belt. Dry sandy places, borders 
of fields, roadsides. Cullman County, 800 feet. Montgomery County. April; not 
infrequent. Annual, 
In small tufts, stems erect. 
Type locality of Poa cristata Chap.: ‘Dry soil around Quincy, middle Florida.” 
Herb. Geol. Surv. Herb. Mohr. 
Poa compressa L. Sp. Pl. 1:69. 1753. ENGLIsH BLUE Grass. 
Gray, Man. ed. 6, 664, Chap. F1.563.  Seribner, Grass, Tenn. 2: 107, t. 36, f. 143. 
Alleghenian to Louisianian area. Considered indigenous in the mountain region 
of Pennsylvania, northwestern Minnesota, and Nebraska, Naturalized throughout 
Nova Scotia, New Brunswick, Ontario, and Atlantic States to the Mississippi. — 
ALABAMA: Tennessee Valley. Mountain region to Central Prairie belt, in dry 
sandy and loamy soil, Cullman, Tuscaloosa, Hale, and Montgomery counties. May, 
June; frequent. Perennial. 
Type locality: ‘Hab. in Europae et Americae septentrionalis siccis,” 
Economic uses: Valuable pasture grass. 
Herb. Geol. Surv. Herb. Mohr. 
Poa pratensis L.Sp. Pl. 1:67. 1753. JUNE Grass. KENTUCKY BLUE GRASS. 
Poa viridis Muhl. Gram, 138. 1817. 
Ell. Sk.1:159. Gray, Man. ed. 6, 665. Chap. F1.562. Scribner, Grass. Tenn. 2: 108 
. 36, f. 144. 
EUROPE. 
Boreal zone to Louisianian area. Indigenous in the mountains of Pennsylvania 
and northward. Naturalized in the Kastern United States, 
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