156 Bulletin of the University of Texas 



flowers in terminal clusters. Fruit a long round pod which 

 splits into halves; seeds many with a tuft of hair at each end. 



Leaves short pointed, flowers bright spotted, wings 



of seeds narrowed 1. C. Catalpa. 



Leaves long pointed, flowers nearly pure white, 



wings of seeds long 2. C. speciosa. 



1. Catalpa catalpa (L.) Karsten. Catalpa. Indian Bean. 

 A short trunked, round topped tree sometimes 50-60 high 

 and 3-4 in diameter with grayish-brown scaly bark. Leaves 

 opposite, broadly ovate, heart-shaped at base, entire or with 

 one or two lateral lobes, light green and smooth above, pale 

 and hairy beneath, foetid when crushed, 5'-6' long, 

 4'-5' wide on rounded stalks 5'-6' long. Flowers showy in 

 dense many flowered clusters, corolla white, much spotted 

 with yellow -and purple. Pod thin, 6'-20' long, splitting into 

 two flattened halves. Seeds about V long with pointed wings. 

 Georgia, Florida, Alabama, Mississippi, and extensively nat- 

 uralized west and north. It is common in many parts of 

 Texas. 



2. Catalpa speciosa "Worder. Hardy Catalpa. A straight 

 trunked tree which may reach a height of 120 and diameter 

 of 4y 2 , but is usually smaller. Bark of old trees deeply fis- 

 sured. Leaves opposite, entire or one to three lobed, broadly 

 or oblong ovate, 4'-12' long, long pointed, dark green and 

 smooth above, lighter and hairy beneath, with clusters of 

 dark glands in the axils of veins. Flowers showy in termi- 

 nal, few flowered clusters ; corolla white with few yellow spots. 

 Pod 8'-20' long, splitting into halves, the seeds with broad 

 wings. 



Indiana, Illinois, Missouri, Kentucky, Tennessee, Arkansas 

 and naturalized in Louisiana and eastern Texas. Often 

 planted for timber and ornament. The wood is durable and 

 is used for fence posts. 



CHILOPSIS D. Donn. Desert Willow. 



Chilopsis linearis (Covanilles) de Condolle. Flowering 

 Willow. Willow-leaved Catalpa. A small tree or shrub with 

 short crooked trunk, slender branches, and ridged, scaly bark. 



