SCROPHULARIACEiE 407 



saccate, inclosing the 4 stamens and the style: a fifth stamen reduced to a 

 more rudiment. 



C. verna, Nutt. Stem 8-16 in., branching: leaves small, various, the lower 

 ovate, the upper more lanceolate and clasping, margins crenate or toothed: 

 flowers on long peduncles, in whorls of 4-6: corolla %-% in., twice longer 

 than calyx: 3 lower petals sky-blue or pink, upper 2 petals, white. An 

 extremely attractive plant in woods, blooming April to June. 



s. MIMULUS. Monkey-flower. 



Small herbs with opposite leaves, with usually showy solitary flowers on 

 axillary peduncles: calyx 5-angled and 5-toothcd: corolla tubular, the 2- 

 lobed upper lip erect or spreading; stamens 4; stigma 2-lobed. 



M. ringens, Linn. Wild monkey-flower. Erect perennial, with square 

 stem and oblong or lanceolate clasping serrate leaves: flowers blue or light 

 purple, somewhat personate. Wet places. 



M. luteus, Linn. Monkey-flower. Tiger-flower. 

 Fig. 540. Annual, with ovate serrate leaves: flowers 

 large, yellow, blotched with brick-red or brown. 

 Western America, and commonly cultivated. To 

 gardeners often known as M. tigridioldes. 



9. DIGITALIS. Foxglove. 



Stem simple and strict: leaves alternate: flowers 

 with a long expanding tube and a very short in- 

 distinctly lobed limb, the throat wholly open: 

 stamens 4. 



D. purpurea, Linn. Common foxglove. Usually 

 biennial, tall and stout (2-4 ft.): leaves oblong, 

 nearly or quite entire, rough and downy: flowers many, drooping, in a 

 long, erect raceme, 2 in. long, white to purple and spotted inside. Old 

 garden plant from Europe. 



10. CASTILLEJA. Painted Cup. 



Herbs, at least partially parasitic on roots of other plants: flowers ses- 

 sile in leafy, often brilliantly colored, bracts; calyx tubular, 2-4-cleft; corolla 

 very irregular, tubular, the tube included in the calyx, the upper lip very 

 long, arched and keeled, enfolding 2 pairs of stamens; lower lip short, 

 3-lobed. Late spring and summer. Four or 5 species in our territory. 



C. coccinea, Spreng. Annual or biennial, 8-12 in., with very striking 

 inflorescence of scarlet or yellow 3-cleft bracts surrounding the flowers. 

 Damp meadows or thickets, not common but conspicuous. 



11. GRATtOLA. Hedge Hyssop. 



Low, mostly perennial herbs, found in damp situations: leaves opposite: 

 peduncles axillary, 1-flowered each; calyx 5-parted, segments scarcely 

 equal; corolla 2-lipped, upper lip emarginate or 2-cleft, lower 3-lobed: 

 fertile stamens 2. 



546. Mimulua luteus. 



