Trees of New York State 387 



THE PAULOWNIA TREE. PAULOWNIA Sieb. and Zucc. 



Trees with watery juice, stout pithy branches, opposite simple 

 leaves, showy paniculate flowers, and capsular fruit. The genus 

 contains two species which are native to Japan and China. 

 Pauloivnia tomcntosa (Thunb.) Stcud. has become naturalized as 

 an escape in southern New York State. 



Leaves large, simple, opposite, deciduous, cordate, pubescent, long-petioled, 

 estipulate. Flowers large, showj', violet in color, bonie on stout, velvety 

 pedicels in large, terminal panicles; calyx perti.=itent, 5-cleft, tlie lobes short 

 and obtuse; corolla-tube hairy Avithout, 5-lobed, the lobes unequal and spread- 

 ing; stamens 4, didynamous, with slender filaments and wide-spreading anther- 

 sacs; pistil consisting of a 2-celled, many-ovuled ovary surmounted by a long 

 style Avhich is thickened and stigmatic toward the apex. Fndt a broadly 

 ovoid, woody, abruptly pointed, 2-celled capsule, 1-2 inches long, opening 

 loculicidally at maturity but persisting on the trees into the winter; seeds 

 small, numerous, lace -winged. 



TRUMPET-CREEPER FAMILY. BIGNONIACEAE 



Trees, shrubs, lianas and a few herbs with watery juice, opposite, 

 whorled or rarely alternate leaves; generally showy flowers, and 

 capsular or baccate fruit. The family includes about one hundred 

 genera and in the neighborhood of five hundred species. Five 

 genera are represented in the United States, three of which are 

 arborescent. 



Leaves simple or compound, opposite, whorled or rarely alternate, estipulate. 

 Floivers large, showy, perfect, more or less irregular; calyx bilabiate; corolla 

 somewhat bilabiate, 5-lobed, the lobes imbricated in the bud; stamens 2 or 4, 

 inserted at the base of the corolla, introrse; staminodia 1-3; pistil consisting 

 cf a 1-2-celled, many-ovuled ovary surmounted by a slender 2-lobed style, 

 stigmatic at the apex. Fruit a linear, woody, loculicidally-dehiscent, 2-valved 

 capsule, or baccate; seeds exalbuminous. 



THE CATALPAS. Genus CATALPA Scop. 



Rapidly growing trees with stout, terete, pithy branchlets, oppo- 

 site or whorled leaves, showy paniculate flowers, capsular fruit, 

 and soft durable wood. The genus Cntalpa includes seven species, 

 natives of the eastern United States, the West Indies, and eastern 

 China. Two species have become naturalized in New York State. 



Leaves large, simple, entire or sparingly lobed, long-petiolate, opposite or 

 in whorls of three, deciduous. Flowers large, showy, borne on slender, brac- 

 teolate pedicels in terminal, trichotomously-branched, compoiuid panicles or 

 corymbs; calyx bilabiate in opening; corolla broadly campanulate, oblique, 

 membranaceous, variously spotted within, with spreading, 2-lipped, 5-lobed 



