DICOTYLEDONS. 203 



IV. GLECOMA. 



Perennial herbs ; stems creeping, widely branched, ascend- 

 ing at the apex ; leaves petioled, orbicular to reniform ; 

 howers in axillary clusters ; calyx tubular, oblique, equally 

 5-toothed ; corolla tube enlarged above, upper lip 2-lobed, 

 tlie lower 3-lobed, the middle lobe longer, emarginate ; sta- 

 mens 4, didynamous, included ; nutlets smooth. 



G. HEDERACEA L. Ground Ivy. Stems pubescent, 6-18 in. 

 long ; leaves round-cordate, crenate, long-petioled ; axillary clusters 

 few-flowered ; calyx pubescent, the teeth short ; corolla blue or vio- 

 let, at least twice the length of the calyx. March-May. On low 

 ground near dwellings. 



V. SALVIA. 



Annual, biennial or perennial herbs, or sometimes shrubby ; 

 flowers in spikes, racemes or panicles, usually showy ; calyx 

 tubular or bell-shaped, not bearded in the throat, 2-lipped, 

 the upper lip entire or 3-toothed, the lower 2-cleft; corolla 

 2-lipped, the upper lip entire or notched, the lower spread- 

 ing, 3-lobed, with the middle lobe longer ; stamens 2, short, 

 anthers 2-celled, the upper cell fertile, the lower abortive ; 

 style 2-cleft; nutlets smooth. 



1. S. LYRATA L. Lyre-leaved Salvia. Biennial or peren- 

 nial ; stem erect, sparingly branched above, hirsute, 1-2 ft. high ; 

 leaves mostly basal, spreading, lyrate-pinnatifid, usually purple, stem 

 leaves small, sessile or short-petioled ; racemes many-flowered, whorls 

 about 0-flowered ; calyx teeth short on the upper lip, long and subu- 

 late on the lower; corolla blue or purple, the tube about 1 in. long, 

 dilated upward. April-May. On dry soil. 



2. S. OFFICINALIS L. Garden Sage. Stem shruhhy, slender, 

 much branched l)elow, 1 ft. high ; leaves grayish-green, lance-ohlong, 

 crenate, rngose ; flowers in terminal spikes, whorls several-flowered ; 

 corolla bine, n]>p('r li}) strongly arched, abont e<pialing the lower. 

 June-August. Introduced from Europe and a common garden lierh. 



iL S. si'LENDENs Sell. Scarlet Sage. Annual; stem erect, 

 smooth, widely branched, 2-') ft. higii ; leaves long-petioled, ovate, 

 acute at the ajx'x, narrowed or truncate at the base, crenate ; flowers 

 in slender terminal s])ikes ; calyx ahout 1 in. long, corolla twice as 

 long, both briglit scai'lel. .Iniie -October. Introduced from Hi'uzil 

 and common in cultivation. 



