aT, JOHNS-WORT FAMILY. 619 
MELOCHIA L. Sp. P1.2:982. 1755. 
About 35 species, mostly of tropical America. 
Melochia corchorifolia L. Sp. Pl. 2: 675. 1753. Hirsute MELOCHIA, 
Melochia hirsuta Chap. Fl. Suppl. 610. 1883. Not Cay. 
Chap. FI. Suppl. 610; ed. 3, 54. 
West INDIES TO BRAZIL. 
Louisianian area, Southern Georgia, naturalized. 
ALABAMA: Coast plain. Adventive on ballast. Mobile. Flowers purplish, July 
to September; fruit ripe October. A perennial weed, first observed on newly broken 
ground in the suburbs of Mobile, October, 1874. Subsequently seen on ballast, and 
since 1882 spreading abundantly in cultivated ground, where it has become @ per- 
nicious weed, very injurious to the hay crop. 
Type locality: ‘Hab. in India.” 
Herb. Geol. Surv. Herb. Mohr. 
WALTHERIA I.. Sp. PL. 2:673, 1753. 
Sixteen species, tropical America. Perennials. 
Waltheria americana L. Sp. Pl. 2:678, 1755. AMERICAN WALTHERIA, 
Chap. F1. 59. Griseb, Fl. Brit. W. Ind. 95, 
West INpiEs, MEXICO TO BRAZIL. 
Tropical Florida. 
ALABAMA: Adventive with ballast. Mobile, September, 1892-93. Not observed 
lately. 
Type locality: “ Hab, in Bahama, Barbiches, Surinamo.” 
Herb. Geol. Surv. Herb. Mohr. 
HYPERICACEAE. St. Johns-wort Family.’ 
ASCYRUM L. Sp. P1. 2: 788. 1753. 
Five species, undershrubs, warmer temperate regions, West Indies, Mexico, Atlan- 
tie North America. 
Ascyrum multicaule Michx. Fl. Bor. Am. 2:77. 1803. Sr. ANDREW'S CROSS. 
Ascyrum crux-andreae 1, Sp. Pl. 2: 788. 1753. In part, and of most American 
authors. 
Ell. Sk. 2:22, in part, Gray, Man. ed. 6,92, in part. Chap. FL 38, in part; ed. 3, 56. 
Carolinian and Lonisianian areas. Southern New England west to southern 
Illinois, Missouri, and Nebraska, south to the Gulf, from Florida to Louisiana and 
Arkansas. 
ALABAMA: Damp and dry borders of woods, open copses. Lauderdale County. 
Morgan County, Falkville. Cullman County. ‘Tuscaloosa County (Z. A. Smith). 
Clarke, Monroe, Baldwin, and Mobile counties. Flowers July to October. Shrubby 
at the base, 2 to 3 feet high. A low form with compact branches, and smaller 
glaucous leaves occurs on dry hills in the inountainous region, Clay County, 
Delta, 1,700 feet. 
Considering the confusion existing between Ascyrum crux-andreae and A. hypericoides 
L., the first of these names has been replaced by //ypericum multicaule Michx. This 
species embraces all the northern forms described under 4. crux-andreae and those of 
the same specific characters occurring southward. 
Type locality: “ Hab in Virginia, Carolina.” 
Herb. Geol. Surv. Herb. Mohr. 
Ascyrum hypericoides L. Sp. Pl. ed. 2: 1107. 1768, SouTHERN Sr. PETER’S-WORT. 
Ascyrum crus-andreae var. angustifolium Nutt. Gen. 2: 16. 1818 (?) 
‘4. crus-andreae of most Southern authors. 
Coulter, Contr. Nat. Herb. 2: 31, Griseb. Fl. Brit. W. Ind. 112. 
West InpiEs, MEXICO. 
Louisianian area. South Carolina to Florida, west to Texas and southern Arkansas. 
ALABAMA: Lower Pine region. Sandy pine barrens in dry and damp soil. 
Escambia, Washington, Baldwin, and Mobile counties. Flowers July to Septem- 
ber; frequent. Densely branched shrub 14 to 2 feet high. 
Type locality: ‘Hab. in Virginia, Jamaica.” 
Herb. Geol. Surv. Herb. Mohr. 
