HONEYSUCKLE FAMILY 



the axils of the leaves. Involucre of four conspicuous and leafy 

 bracts which at length surround the fruit. 



Calyx, — Tube adherent to the ovary, slightly five-toothed. 



Corolla. — Yellowish, funnel-form, one-half to three-fourths of 

 an inch long, viscid-pubescent ; border five-lobed, 



Stamens. — Five, inserted on tube of corolla. 



Pistils. — Ovary two or three-celled, style slender ; stigma capi- 

 tate. 



Fruit. — Berries separate, globose or oval, nearly black, about 

 one-third of an inch in diameter. 



DIERVILLA. COMMON BUSH HONEYSUCKLE 



Diervilla trifida. Diervilla diervilla. 



Diervilla, in honor of Diervilla, a French surgeon who sent 

 the plant to Tournefort. 



A low shrub, two to four feet high. Often forms dense, low 

 masses of shrubbery on the borders of the forest. Ranges from 

 Newfoundland to the Saskatchewan, and through the northern 

 states to North Carolina and Michigan. 



Leaves. — Opposite, simple, pinnately veined, two to five inches 

 long, ovate or oval, rounded at base, irregularly crenulate-ser- 

 rate, slightly ciliate, acuminate at apex. Dark green, glabrous 

 above, paler green and glabrous beneath ; mid vein and primary 

 veins prominent. 



Flowers. — May, June. Perfect, small, yellowish, mostly in 

 three-flowered clusters which are either terminal, or in the axils 

 of the upper leaves. 



Calyx. — Tube long, slender, adnate to ovary ; border with 

 five linear, persistent lobes. 



Corolla. — Narrowly funnel-form, tube slightly gibbous at the 

 base ; border nearly regular, five-lobed. honey yellow or green- 

 ish yellow, downy externally, hairy within. 



Stamens. — Five, exserted, inserted on the corolla ; anthers 

 linear. 



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