13G LATH AT AE. 



L. scrcphulariaefolius (Willd.) Benth. Giant-Hyssop. Stem 3-0 feet 

 high, obtusely 4-angled, pubescent; leaves ovate or ovate-oblong, acuminate, 

 base cordate, more or less pubescent; calyx-teeth lanceolate, acute; corolla 

 conspicuous, purplish; spikes mostly interrupted. Open woods; July-Sep- 

 tember; frequent; Winneshiek. Johason, Henry, Appanoose, Decatur, Fre- 

 mont, Story, Winnebago, Dickinson, and Emmet counties; reported from 

 Fayette, Muscatine, Hamilton, and Woodbury counties. (Aijustaclie scrophular- 

 Uiefulin (Willd.) Kuntze.) 



L. nepetoides (L.) Benth. Stem 3-6 feet high, sharply 4-angular, gla- 

 brous or slightly puberulent; leaves ovate or ovate-oblong, acuminate, 

 crenate-serrate, base cordate; spikes linear, cylindrical, continuous; bracts 

 many, ovate, acute; calyx-teeth ovate, obtuse; corolla inconspicuous, pale 

 greenish-yellow. Open woods; July-August; less frequent than the preced- 

 ing which it closely resembles; Winneshiek, Des Moined. Johnson. Henry, 

 Van Buren, Decatur, Ringgold, Page, Fremont, Story, and Emmet counties; 

 reported from Fayette and Scott counties. (Agastache.nepctoldes (L.) Kuntze.) 



NEPETA L. Perennials,. Calyx tubular, obliquely 3-toothed, 15-nerved. 

 Corolla 2-lipped; upper lip emarginate or 2-lobed; lower spreading, 3-cleft. 

 the middle lobe the largest, 2-lobed or entire; throat dilated. Stamens 4, as- 

 cending, not exserted, lower pair shorter. 



N. cataria L. Catnep. Catmint. Stem 2-3 feet high, erect, branched, 

 downy; leaves ovate to oblong, coarsely crenate. whitish downy beneath, 

 base cordate; floral leaves small and bract-like; flowers in cyraose clusters 

 which are collected into interrupted spikes or racenres; corolla whitish, dot- 

 ted with purple. Waste places; July-September; common. 



N. glechoma Benth. Ground Ivy. Gill-over-the-iinmnd. Stems procumbent 

 or creeping, somewhat pubescent or glabrous; leaves all alike, long-petioled, 

 reniform, coarsely crenate, green on both sides; flowers 2-3 in the axils of the 

 leaves; corolla light blue, twice the length of the calyx. Waste places near 

 dwellings; April-June; frequent. [Glecoma hederacea L.) 



DRACOCEPHALUM L. Perennials, with serrate or incised leaves, and 

 blue or purple flowers in axillary and terminal braeted clusters. Calyx tubu- 

 lar, 15-nerved, 5-toothed in ours, the upper tooth the largest. Corolla 2- 

 lipped; the upper lip emarginate; lower lip 3-lobed. Stamens 4. didynamous. 



D. parviflorum Nutt. Annual or biennial, glabrous or somewhat pube- 

 scent, 6-20 inches high; leaves ovate, oblong, or lanceolate, petioled; flowers 

 in dense terminal spikes or in the upper axils; corolla but little exceeding 

 the calyx, light blue. Sterile soil; May-August; reported from Iowa by 

 Arthur. The species probably occurs near our northern border. 



SCUTELLARIA L. Skui.t.c>p. Perennials, not aromatic, with axillary 

 opposite solitary or racemose flowers. Calyx campanulate, 2-lipped, closed 

 after flowering; lips entire, the upper with a helmet-like appendage. Corolla 

 2-lipped; upper lip arched, entire or slightly notched; lower lip spreading, 

 notched; lateral lobes more connected with the upper lip, tube loog-exserted, 

 throat dilated. Stamens 4, ascending beneath tlie upper lip; anthers ciliate 

 or bearded; lower l-celled, upper 2-celled. Nutlets rough-granulate. 



S. versicolor Mutt. Stem 1-3 feet high, erect, soft-pubescent; leaves 

 ovate, cordate, petioled, obtuse, crenate -toothed, rugose; the floral bracts 

 ovate, entire; flowers rather large, in terminal simple racemes; corolla-lips 

 nearly equal, upper bright blue, lower whitish, lateral lobes distinct. Rich 

 woods; June-.Iuly; frequent; Winneshiek, Allamakee. Louisa, Des Moines 



