36 



SCROPHULAFJACE.E. 



MlMULTJS. 



1. Mimulus ringens, Linn. Common Monkey-flower. 



Erect, smooth ; leaves sessile, lanceolate, acuminate, serrate ; peduncles longer than the 

 flower ; segments of the calyx lanceolate-ovate, acuminate. — Linn. sp. 2. p. 634 ; Walt, 

 fl. Car. p. 172 ; Michx. fl. 2. p. 23 ; Bot. mag. t. 283 ; Pursh, fl. 2. p. 426 ; Ell. sk. 2. 

 p. 125 ; Bigel. fl. Bost. p. 248 ; Beck, bot. p. 264 ; Darlingt. fl. Cest. p. 367. 



Perennial. Stem about two feet high, somewhat branching, 4-angled but not winged. 

 Leaves 2-4 inches long, closely sessile and a little clasping ; the nerves prominent. Flowers 

 axillary in the upper part of the stem. Calyx strongly prismatic ; the teeth about one-fourth 

 the length of the tube. Corolla three-fourths of an inch in length, pale violet-purple ; the 

 tube raiher longer than the calyx : lower lip larger than the upper. Stamens included ; the 

 anthers with divaricate lobes. Style filiform, included : stigma obtuse. Capsule oblong-ovoid, 

 membranaceous. Seeds very numerous, ovoid. 



Wet meadows and margins of streams ; common. Fl. July - August. 



2. Mimulus alatus, Ait. Wing-stemmed Monkey -Jloioer. 



Erect, smooth ; stem with winged angles ; leaves petiolate, ovate, acuminate, dentate- 

 serrate ; peduncles shorter than the flowers ; teeth of the calyx very short and broad, 

 mucronate. — Ait. Kew. (ed. 1.) 2. p. 361 ; Pursh, fl. 2. p. 426 ; Ell. sk. 2. p. 125 ; Bart, 

 fl. N. Am. t. 94 ; Bot. cab. t. 410; Beck, bot. p. 264 ; Darlingt. fl. Cest. p. 368. 



Perennial. Stem about two feet high, often somewhat branching, slightly winged on the 

 angles. Leaves 3-4 inches long and 1-2 inches wide, rather toothed than serrated, tapering 

 at the base into a petiole which is nearly one-third the length of the lamina. Flowers axillary 

 in the upper part of the stem, and also somewhat paniculate at the summit. Peduncles 2-3 

 lines long. Calyx appearing as if truncate, tapering to the base. Corolla and capsule nearly 

 as in the preceding species. 



Wet meadows ; rarer than M. ringens. July - August. 



8. GRATIOLA. Linn. ; R. Br. prodr. 1. p. 435 ; Endl. gen. 3946. hedge hyssop. 



[ From the Latin, gratia, grace or favor ; in allusion to its supposed medicinal virtues ] 



Calyx 5-parted, with 2 bracteoles at the base. Corolla tubular, somewhat 2-lipped : upper 

 lip 2-lobed or emarginate ; the lower almost equally 3-lobed. Stamens 4, of which 2 (the 

 upper or posterior) are fertile, and usually the other 2 abortive. Stigma obliquely bi- 

 lamellate. Capsule 2-celled, 2-valved ; the valves at length 2-clcft. Seeds numerous. — 

 Herbaceous plants, with opposite leaves and axillary one-flowered peduncles. 



