266 NEW YORK STATE MUSEUM 



pointed at the apex and one-nerved, one-half to i inch long. Flowers pale 

 purple, pinkish or nearly white, in corymbed, cymose clusters. Calyx with 

 five very slender lobes. Corolla about one-fourth of an inch long, with five 

 pointed lobes which, when expanded, are somewhat more than one-eighth 

 of an inch across, each lobe about one-third the length of the corolla tube. 

 Fruit a small, globular capsule. 



In dry, open or rocky places, Maine to Saskatchewan, south to Georgia 

 and Missouri. Flowering from June to September. 



The Fringed Houstonia (Houstonia ciliolata Torrey) is 

 similar but the margins of the leaves are conspicuously ciliate. 



Buttonbush; Bush Globeflower 



Cephalanthus occidentalis Linnaeus 



Plate 210 



A shrub, 3 to 10 feet high, rarely treelike and taller; branches smooth 

 or somewhat pubescent. Leaves opposite or in whorls, petioled, entire, 

 oval or ovate, pointed at the apex, rounded or narrowed at the base, 3 to 

 6 inches long, i to 2^ inches wide. Flowers small, white, sessile, borne in 

 dense terminal or axillary and stalked globose heads, about i inch in 

 diameter. Corolla one-third to one-half of an inch long, tubular-funnel- 

 form, with four erect or spreading lobes. Stamens four, attached to the 

 throat of the corolla with very short filaments. Style very slender and 

 about twice the length of the corolla. 



In swamps, low ground and shallow water along lakes, streams and 

 ponds, New Brunswick to western Ontario and Wisconsin, south to Florida, 

 Texas, Arizona and California. Flowering from June to September. 



Partridge Berry; Twinberry; Squawberry 



Mitchella repens Linnaeus 



Plate 2 nb 



A small, creeping, evergreen herb, with slender, trailing, stems, freely 

 rooting at the nodes, 6 to 15 inches long, with numerous branches. Leaves 



