BIGNONIACE^ 



795 



States, and hardy as far north as eastern New England, and in western, central, and 

 southern Europe. 



2. Catalpa speciosa, Engelm. Western Catalpa. 



Leaves oval, long-pointed, cordate at the base, and usually entire or furnished 

 with 1 or 2 lateral teeth, when they unfold pilose above and covered below and on the 

 petioles with pale or rufous tomeutum, and at maturity thick and firm, dark green 

 above and covered with soft pubescence below, especially along the stout midribs 

 and the primary veins marked in their axils by large clusters of dark glands, 10'- 

 12' long, 7'-8' wide, turning black and falling after the first severe frost of the 

 autumn; their petioles stout, terete, 4'-6' in length. Flo"wers appearing late in 

 May or early in June, on slender purple glabrous pedicels furnished near the mid- 

 dle with 1-3 bractlets, in open few-flowered panicles 5'-6' long and broad, with 

 green or purple branches marked by orange-colored lenticels, the lowest branches 

 often in the axils of small leaves; calyx purple, often sparingly villose or pubes- 

 cent on the outer surface ; corolla white, conical, often spotted externally with pur- 

 ple near the base, about 2' long and 2^' wide, and marked internally on the lower 



side by 2 bands of yellow blotches following 2 lateral ridges and with occasional 

 purple spots spreading over the lobes of the lower lip of the limb; filaments marked 

 near the base by oblong purple spots. Fruit 8'-20' long, ^'-f ' in diameter near the 

 middle, with a thick wall splitting toward spring into 2 concave valves; seeds 1' 

 long, ^' wide, with a light brown coat and wings rounded at the ends and terminat- 

 ing in a fringe of short hairs. 



A tree, in the forest occasionally 120 high, with a tall straight trunk rarely 4^^ 

 in diameter, slender branches forming a narrow round-topped head, and branchlets 

 light green often tinged with purple and pilose, with scattered pale hairs, when 

 they first appear, light orange color or reddish brown, covered with a slight bloom, 

 during their first winter, and marked by numerous conspicuous pale lenticels and 

 by the elevated oval leaf-scars ^' long, displaying a circular row of large fibro- 

 vascular bundle-scars, becoming darker in their second and third years; usually 

 smaller, and in open situations rarely more than 50 high, with a short trunk and a 

 broad head of spreading branches. "Winter-buds covered by loosely imbricated 

 ovate chestnut-brown scales keeled on the back, slightly apiculate at the apex, those 



