CORNUS 275 



times glabrous throughout, 4-10 cm. long, 2.5-5.5 cm. wide, petioles 

 slender, 18-25 mm. long; cymes flat-topped, 3-5 cm. broad, flowers white, 

 5-6 mm. broad, petals ovate-lanceolate, calyx and pedicels with thin, ap- 

 pressed pubescence, styles about 1.5 mm. long; fruit white or whitish, 

 globose, 6-8 mm. in diameter : stolonifera, bearing stolons. 



In moist or wet places, abundant throughout the north half of the 

 state and common southward to Winona, Blue Earth, Mower and Houston 

 Counties. Distributed from New Brunswick to British Columbia south to 

 the District of Columbia, the Great Lakes region, Iowa, Neb. and New 

 Mexico. Begins blossoming in June and continues through July and Aug., 

 fruit ripens July-Sept. 



Cornus alternifolia Linne filius 1781 Dogwood 



A shrub or small tree, 2-6 m. high, bark smooth, dark or brownish 

 on the main stem, branches greenish, streaked with white, leaves alternate, 

 usually clustered at the ends of branches, oval or ovate, narrowed or some- 

 times rounded at the base, acuminate or abruptly pointed at the apex, 

 glabrous and with the veins distinctly marked on the upper side, whitish 

 and thinly pubescent beneath, 5-10 cm. long, 3-6 cm. wide, petioles 

 slender, 1-2 cm. long; cymes rather loose-flowered, 4-6 cm. broad, flowers 

 white, petals oblong, reflexed, 3 mm. long, calyx finely appressed- 

 pubescent ; fruit globose, deep blue, on reddish pedicels, about 8 mm. in 

 diameter, stones slightly flattened and channeled : alternifolia, with 

 alternate leaves. 



In rich soil, in woods, copses, etc., frequent and occasionally common 

 throughout the state, except far northward. Distributed from eastern 

 Quebec to western Ontario, Minn, and la., south to Georgia and Alabama. 

 Blossoms in May and June, fruit ripe in August and September. 



Rubiales Madder Order 

 Rubiaceae Madder Family 



Herbs, shrubs or trees, leaves simple, opposite, or verticillate, mostly 

 with stipules; flowers perfect but often dimorphous, regular, calyx-tube 

 adherent to the ovary, its limb variously lobed, corolla sympetalous, 

 campanulate, funnel-shaped or rotate, 4-5-lobed, frequently hairy within, 

 stamens 4-5, borne on the corolla alternate with its lobes, ovary 1-10- 

 celled, inferior, ovules 1 -several in each cavity of the ovary; style short 

 or elongated ; fruit a capsule, a berry or a drupe. 



