LABIATAE. 



VOL. III. 



i. Glecoma hederacea L. Ground 



Ivy. Gill-over-the-Ground. 



Field Balm. Fig. 3595. 



Glecoma hederacea L. Sp. PI. 578. 1753. 

 N. Glechoma Benth. Lab. Gen. & Sp. 485. 



1834- 

 N. hederacea B.S.P. Prel. Cat. N. Y. 43. 



1888. 



Perennial, pubescent, the creeping stems 

 leafy, sometimes 18' long, the branches 

 ascending. Lower petioles commonly 

 longer than the leaves ; leaves green 

 both sides, i'-ii.' in diameter; clusters 

 few-flowered, the flowers 7"-io" long, 

 short-pedicelled ; bractlets subulate, 

 shorter than the calyx ; calyx puberulent, 

 its teeth acute or lanceolate-acuminate, 

 about one-third as long as the tube; 

 corolla-tube 2-3 times as long as the 

 calyx ; upper pair of stamens much 

 longer than the lower. 



In waste places, woods and thickets, New- 

 foundland to Ontario, Minnesota, Oregon, 

 Georgia, Tennessee, Kansas and Colorado. 

 Old names, alehoof, cat's-foot, gill, gill-ale, 

 gill-go-by-the-ground, hayhofe, haymaids, 

 hove, tunhoof, creeping charlie, robin-run- 

 away, gill-run-over, crow-vituals, wild 

 snake-root, hedge-maids. March May. 



12. MOLDAVICA [Tourn.] Adans. Fam. PL 2: 190. 1763. 



Herbs, with dentate entire or incised leaves, and blue or purple flowers in axillary and 

 terminal bracted clusters, the bracts pectinate in our species. Calyx tubular, 15-nerved, 

 straight or incurved, 5-toothed, the upper tooth much larger than the others, or 2-lipped with 

 the 3 upper teeth more or less united. Corolla expanded above, its limb 2-lipped ; upper lip 

 erect, emarginate; lower lip spreading, 3-lobed, the middle lobe larger than the lateral ones, 

 sometimes 2-cleft. Stamens 4, didynamous, ascending under the upper lip, the upper pair 

 longer than the lower; anthers 2-celled, the sacs divaricate; style 2-cleft at the summit; ovary 

 deeply 4-parted. Nutlets ovoid, smooth. [From Moldavia.] 



About 35 species, natives of the northern hemisphere. Only the following are known in North 

 America. Type species : Dracocephalum Molddvica L. 



Corolla 2-3 times as long as the calyx; clusters mostly axillary. i. M. parvi flora. 



Corolla scarcely exceeding the calyx ; clusters mostly terminal, dense. 2. M. Moldavica. 



i. Moldavica parviflora (Nutt.) Brit- 

 ton. American Dragon-head. 

 Fig. 3596. 



Dracocephalum parviflorum Nutt. Gen. 2 : 35. 

 1818. 



Annual or biennial, somewhat pubescent, 

 or glabrous; stem rather stout, usually 

 branched, 6'-2| high. Leaves lanceolate, 

 ovate, or oblong, slender-petioled, serrate, 

 or the lower incised, acute or obtuse at the 

 apex, rounded or narrowed at the base, 

 thin, i '-3' long; clusters dense, many-flow- 

 ered, crowded in dense terminal spikes, 

 and sometimes also in the upper axils; 

 bracts ovate to oblong, pectinate with awn- 

 pointed teeth, shorter than or equalling the 

 calyx; pedicels i"-2" long; upper tooth of 

 the calyx ovate-oblong, longer than the 

 narrower lower and lateral ones, all acumi- 

 nate; corolla light blue, scarcely longer 

 than the calyx. 



In dry gravelly or rocky soil, Quebec and 

 Ontario to Alaska, New York, Iowa, Missouri 

 and Arizona. May-Aug. 



