SCROPHULARIACE^E. (FIGWORT FAMILY.) 287 



* * Diffusely spreading : leaves several-nerved and veiny : corolla yellow. 

 3. M. Jauiesii, Ton-. Smooth; stems creeping at the base ; stem-leaves 

 tound or kidney-shaped, nearly sessile, equalliug the peduncles; calyx ovate, 

 inflated in fruit, the upper tooth much the largest. — In cool springs, Mackinaw, 

 Wisconsin, Illinois, and westward. — Flowers small. 



M. lutecs, witli its varieties, and M. moschAtcs, the Musk-plant, from 

 Oregon, are common in cultivation. 



9. COrVOBEA, Aublct. (Capraria, Mfchx.) 



Calyx 5-parted, equal. Upper lip of the corolla 3-lohcd, the lower 3-parted. 

 Stamens 4, fertile : anthers approximate. Style 2-lobed at the apex, the lobes 

 wedge-form. Seeds numerous. — Low branching herbs, with opposite leaves, and 

 small solitary flowers on axillary 2-bractIeted peduncles. (Name unexplained.) 



1. C imiltifida, Bcnth. Diffusely spreading, much branched, minutely 

 pubescent; leaves petiolcd, pinnately parted, the divisions linear-wedge-shaped ; 

 corolla (greenish-white) scarcely longer than the calyx. ® — Sandv river- 

 banks, Ohio to Illinois, and southward. July -Sept, 



10. IIERPESTIS, Gantn. Hi.rpestis. 



Calyx 5-parted ; the upper division broadest, the innermost frequently very 

 narrow. Upper lip of the corolla entire, notched, or 2-cleft ; the lower 3-lobcd. 

 Stamens 4, all fertile. Style dilated or 2-lobed at the apex. Seeds numerous. 

 Low herbs with opposite leaves and solitary axillary flowers. (Name from 

 ifmr]crTf]s, a creeping thing, the species being chiefly procumbent.) 



# Upper lip of the blue corolla merely notched: leaves many-nerved. 



1. II. rotuiidifolia, Pursh. Nearly smooth, creeping; leaves round- 

 obovatr, half clasping (£'- 1' long) ; peduncles twin or thrice the length of Vie calyx, 

 the upper sepal ovate, y —Wet places, Illinois and southward. Aug. 



2. II. amplexicaailS, Pursh. Stems hairy, creeping at the base; 

 leaves ovate, clasping ; peduncles shorter than the calyx; upper sepal heart-shaped. 

 y — Wet places, New Jersey and southward. Aug. — Aromatic when bruised. 

 * * Corolla (bluish) a/most equally 5-cleft, the upper lip being 2-parted: stamens 



almost efjual : leaves nearly nerveless. 



3. II. Iflonniera, II. B. K. Smooth, somewhat creeping; leaves obo- 

 vate or wedge-shaped ; peduncles rather long, 2-bracted at the apex. y — 

 River-banks, Maryland and southward along the coast. 



11. GRATIOLA, L. Hedge-IItssop. 



Calyx 5-parted, the divisions narrow and nearly equal. Upper lip of the 

 corolla entire or 2-cleft, the lower 3-eleft. Fertile stamens 2, included, poste- 

 rior; the anterior mere sterile filaments, or wanting. Style dilated or 2-lippcd 

 at the apex. Pod 4-valved, many-seeded. — Low herbs, mostly perennial, with 

 opposite sessile leaves, and axillary 1 -flowered peduncles, usually with 2 bract- 

 lets at the base of the calyx. (Name from gratia, grace or favor, on account of 

 its supposed excellent medicinal properties.) 



