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, 

 l-celled, 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, Iflowered : flowers V long.— Sparingly found in Union Cemetery 

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



Family 113. BIGNONIAOEAE 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 l-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. 



