MARTYNIACEAE 175 



3-lobed, the upper usually 2-lobed. Stamens four, didynamous, inserted 

 on the tube of the corolla and alternate with its lobes. Ovary superior, 

 1 -celled j with four parietal placentae, many-ovuled. 



1. THALESIA Raf. 



Brownish, glandular-pubescent plants with yellowish-white flowers. 

 Flowers not bracted at base. Calyx nearly equally 5-cleft. 



1. T. uniflora (L. ) Britton. BROOM KAPE. Stems clustered, 3 / -8 / 

 high, 1-flowered : flowers \ f long. Sparingly found in Union Cemetery 

 at Kansas City by Mrs. Ripley. April-May. 



FAMILY 113. BIGNONIACEAE Pers. 



Woody plants with opposite leaves and large and showy, perfect, some- 

 what irregular flowers. Calyx somewhat 2-lipped, 5-lobed. Corolla 

 tubular to campanulate, its limb 5-lobed, slightly 2-lipped. Stamens 2 

 or 4, alternate with the corolla lobes. Ovary superior, 2-celled, many- 

 ovuled. Seeds flat, winged. 



Leaves compound ; vines. 1. TECOMA. 



Leaves simple ; trees. 2. CATALPA. 



1. TECOMA Juss. 



Calyx 5-toothed. Corolla reddish-orange, campanulate. Stamens four. 

 Capsule compressed at right angles to the partition. 



1. T. radicans (L. ) DC. TRUMPET VINE. 5-60 long : leaflets ovate, 

 serrate : flowers 2 / -3 / long : fruit 4 / -5 / long. Occasionally escaped from 

 cultivation, especially around Sibley. Possibly native. June- August. 



2. CATALPA Scop. 



Flowers in terminal panicles. Calyx deeply 2-lipped. Corolla whites 

 purple-spotted, campanulate. Stamens two with three staminodia,or four 

 with 1 staminodium. Capsules elongated- cylindric. 



1. C. speciosa Warder. LADY-CIGAR TREE. 30-50 high : leave, 

 ovate- cordate, entire, acuminate : corolla 2' long, little mottled within, 

 the lower lobe emarginate. Occasionally escaped from cultivation, espe- 

 cially around Sibley. June-July. 



FAMILY 114. MARTYNIACEAE Link. 



Herbs with opposite leaves and perfect somewhat irregular flowers. 

 Divisions of calyx and corolla each 4-5. Fertile stamens four, didynamous, 

 or sometimes only two. Ovary 1-celled with 2 parietal placentae or some- 

 times falsely 2-4-celled. Seeds wingless. 



1. MARTYNIA L. 



Viscid-pubescent herbs with long-petioled leaves and flowers in ter- 

 minal racemes. Corolla whitish, campanulate, gibbous. Fruit a woody 

 4-celled capsule, beaked with two long incurved horns. 



