BLUE AND PURPLE GROUP 



in axillary and sometimes one-sided racemes, terminating the 

 branches Delicate and pretty. July to September. 



In wet grounds common in all the Eastern and Middle 

 States. The common name indicates that it was once con- 

 sidered a cure for hydrophobia. (See illustration, p. 336.) 



Marsh Skullcap 

 S. galericulkta. — Color, blue. Flowers, larger than the last, 

 with much the same habit of growth. Corolla, with long, slender 

 tube and a large lower lip. Leaves, with short petioles or none, 

 lance-shape, serrate. June to August. 



Same general habitat as the last, swamps and wet grounds, 

 New England to New Jersey, in mountains to North Carolina, 

 westward to Ohio and Nebraska. 



Hyssop Skullcap 



S. integrifblU. — Color, blue. Calyx, bell-shape, 2-lipped, the 

 upper lip with the hood-like swelling which marks this genus. 

 Corolla, rather large, 2-lipped, the lips distinct, but nearly equal 

 in length. Stems, whitish with minute down, 6 inches to 2 feet 

 high, generally simple. Leaves, the upper short - petioled or 

 sessile, thin, linear; the lower, roundish, long-petioled, slightly 

 toothed. Bracts under the flowers, which grow in terminal long 

 racemes or panicles. May to July. 



Near the coast, in moist ground, fields, woods, and thickets, 

 Massachusetts to Florida, westward to Texas. 



Small Skullcap 

 S. parvula. — Color, violet. A small species, 3 to 12 inches 

 high, with slender stem, somewhat branched, a tiny blue violet 

 flower appearing in the axils of the upper leaves. Perennials from 

 slender, tuberous rootstocks. Leaves, oval, ovate, or roundish 

 below, linear above, f inch long. April to July. 



Moist or sandy soil, Vermont to Tennessee and Texas. 



S. nervosa, — Color, bluish purple. Leaves, thin, serrate, those 

 below petioled, heart - shape, or roundish at base; upper, ovate 

 to lance - shape, entire, all with prominent veins underneath. 

 Flowers, single in the upper axils. Nutlets, winged, each raised 

 on an enlargement of the receptacle. May to August. 



Rich, moist woods, New York, south to North Carolina 



and westward to Missouri. Found 3,000 feet high in Vir- 

 ginia. 



22 335 



