390 SCROPHULARIACEAE. 



scurely 2-lipped; stamens nearly equal; capsule ovoid, acute, shorter than the 

 calyx. 



Wet places, Great Bahama, Abaco, Andros, New Frovidence, Eleuthera to Wat- 

 ling's Island and Long Island: Bermuda; southeastern United States; West Indies; 

 continental tropical America and Old World tropics. Monnieb's Hedge-hyssop. 



5. MECARDONIA Ruiz & Pavon, Syst. 164. 1798. 



Perennial, erect or diffuse, low herbs, with opposite serrate pinnately 

 veined leaves, and solitary axillary slender-peduncled flowers. Sepals 5, 

 unequal, the upper one the largest. Corolla 2-lipped, the upper lip emarginate. 

 Stamens 4, borne on the throat of the corolla. Disc wanting. Stigma 2- 

 lobed. Capsule septieidally dehiscent. Seeds numerous. [Commemorates Meea y 

 Cardona, a founder of the Botanical Garden of Barcelona.] About 4 species 

 of tropical and subtropical America. Type species: Mecardonia ovata Ruiz & 

 Pavon. 



1. Mecardonia procumbens (Mill.) Small, PI. SE. U. S. 1065, 1338. 1903. 



Erinus procumbens Mill. Gard. Diet. ed. 8, no. 6. 1768. 



Glabrous, usually branched from the base, the branches decumbent or sub- 

 erect, 1.5-4 dm. long. Leaves ovate or oval, 1-2 cm. long, serrate, short- 

 petioled, darkening in drying; peduncles slender, as long as the leaves or 

 longer, sometimes 3 times as long; upper sepal at length 810 mm. long; 

 corolla white or pink, about 10 mm. long; capsule oblong, 6-10 mm. long. 



Sandy coppices and clearings, Great Bahama : Florida ; Cuba to St. Croix ; 

 Antigua ; Grenada to Trinidad ; Jamaica ; continental tropical America. 



6. HEMIANTHUS Nutt. Journ. Acad. Phila. 1: 119. 1817. 



Diminutive prostrate herbs, often rooting at the nodes, with opposite 

 entire 3-nerved leaves, and minute solitary, nearly sessile or peduncled 

 flowers. Calyx deeply cleft, 4-lobed. Corolla (in our species) 1-lipped, the lip 

 3-lobed, its middle lobe somewhat longer than the lateral ones. Stamens 2, 

 borne on the throat of the corolla; filaments short, with a basal appendage; 

 staminodes none. Style 2-cleft above the middle. Capsule globose, 2-valved, 

 membranous. Seeds several or many, few-ribbed and transversely striate. 

 [Greek, referring to the deficient corolla.] A few species of the West Indies 

 and the eastern United States. Type species : Hemianthus micranthemoides Nutt. 



1. Hemianthus callitrichoides Griseb. Mem. Am. Acad. II. 8 : 522. 1862. 

 Hemianthus multiflorus C. "Wright; Griseb. Cat. PI. Cub. 185. 1866. 



Glabrous; matted; stems filiform, 2-4 em. long. Leaves elliptic, membran- 

 ous, sessile, about 3 mm. long, rounded or obtuse at the apex; peduncles fili- 

 form, 1-3 mm. long; calyx about 1 mm. long; lobes of the corolla-lip oblong. 



Creeping on wet soil and mud, Andros, Cat Island, Acklin's Island : Cuba. 



WATER-STARWORT HEMIANTHUS. 



7. CAPRARIA L. Sp. PI. 628. 1753. 



Perennial herbs or shrubby plants. Leaves alternate, longer than broad, 

 toothed. Elowers on axillary pedicels. Calyx of 5 narrow, almost equal 



