638 PLANT LIFE OF ALABAMA. 
ALABsMa: Tennessee Valley to the Coast plain. Open woods and banks. Law- 
rence County. Cullman County, 800 feet. Dekalb County, Mentone, 1,600 feet. 
Autauga County, Prattville. Mobile County. Flowers lemon-yellow; May. Fre- 
quent. Perennial. 
Type locality: ‘‘Hab. in Virginia.” 
Herb. Geol. Surv. Herb. Mohr. 
Kneiffia linearis (Michx.) Spach, Hist. Veg. 4:376. 1835. PINE-BARREN SUNDROPS, 
Oenothera linearis Michx. F1. Bor. Am. 1: 225. 1803. 
O. fruticosa var. linearis Wats. Proc. Am. Acad. 8:584, 1873. 
Eli. Sk.1:444. Gray, Man. ed.6,191. Chap. F1.139. 
Carolinian and Louisianian areas. Southern Virginia along the coast to Florida, 
west to Louisiana. 
ALABAMA: Lower Pine belt. Coast plain. In dry sandy pine forests. Escambia, 
Washington, Baldwin, and Mobile counties. Flowers yellow; June. Frequent. 
Perennial. 
Type locality: ‘Hab. in Carolina superiore.” 
Herb. Geol. Surv. Herb. Mohr. 
XYLOPLEURUM Spach, Hist. Veg. 4:378. 1835. 
Ten species, Mexico, southern United States. 
Xylopleurum speciosum (Nutt.) Raimann, in Engl. & Prantl, Nat. Pf. Fam. 
5, Abt. 7:214. 1893. SHowy EVENING PRIMROSE. 
Oenothera speciosa Nutt. Journ. Acad. Phila. 2:119. 1821. 
Xylopleurum nuttallit Spach, Hist. Veg. 4:378. 1835. 
Gray, Man. ed.6,191. Coulter, Contr. Nat. Herb. 2: 115. 
Louisianian area. Southern Tennessee, Mississippi, southern Arkansas, and Texas. 
ALABAMA: Central Prairie region. Coast plain. Borders of fields, grass plots. 
Dallas County, Uniontown. Hale County, Gallion. Mobile County. Flowers rose- 
pink, with darker veins, yellowish at the base, slightly fragrant, diurnal, very 
handsome; May, June. Local; abundant. Perennial. Of late observed to spread 
in the Coast plain, where it is found on roadsides and grassy banks, most probably 
escaped from cultivation. 
Type locality apparently the uplands of Louisiana. 
Herb. Geol. Sury. Herb. Mohr. 
GAURA L. Sp. Pl. 1:347. 1753. GauRa. 
Gaura angustifolia Michx. Fl. Bor. Am. 1: 226. 1803. NARROW-LEAF GAURA. 
Ell. Sk. 1: 445. Chap. FI. 138. 
Louisianian area. Coast of North Carolina to Florida, west to Louisiana. 
ALABAMA: Coast plain. Littoral region. Dry gravelly banks and sandy shores. 
Baldwin and Mobile counties. Flowers white, pale pink on fading; August to Octo- 
ber. Frequent on the shores of Mobile Bay and on the islands. Biennial. 
Type locality: ‘‘Hab. in Carolina inferiore.” 
Herb. Geol. Surv. Herb. Mohr. 
Gaura michauxii Spach, Nouv. Ann. Mus. Paris, 4: 379. 1835. MicHAUX’s GAURA. 
Gaura filipes Spach, Nouv. Ann. Mus. Paris, 4: 379. 1835. 
Gray, Man. ed. 6,193. Chap. F1. 138. 
Carolinian and Louisianian areas. Virginia, Ohio, Missouri, and Arkansas; south 
from Kentucky to Florida and Louisiana. 
ALABAMA: Mountain region. Central Pine belt to Coast plain. Dry sandy open 
woods. Cullman County, 800 feet. Montgomery, Autauga, Clarke, Washington, and 
Mobile counties. Flowers pink; July to September. Common; most frequent in 
grassy pine barrens of the Coast Pine belt. Perennial. 
Type locality not ascertained. 
Herb. Geol. Surv. Herb. Mohr. 
Gaura longiflora Spach, Nouv. Ann. Mus. Paris, 4:59. 1835. 
Gaura biennis var. pitcheri Torr. & Gray, Fl.N.A.517. 1840. (?) 
Chap. FL. ed. 3, 161. 
Carolinian area. Northern Georgia. 
ALABAMA: Fide Chapman. 
Type locality not ascertained. 
Herb. Geol. Surv. Herb. Mohr. 
