146 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



[Vol. 2 



leaves ; ovary 2-celled with an axile placenta ; seeds numerous, 

 with endosperm. Verbascum, Linaria, Antirrhinum, Maur- 

 andia, Collinsia, Scrophidaria, Mimulus, Veronica, Digitalis, 

 Gerardia, Castilleia, Pedicularis. (Pf. 4 3b : 39.) 



Family 179. Bignoniaceae. Catalpas. Trees, shrubs (and 



herbs) with opposite or whorled leaves; ovary 1 or 2-celled 

 with parietal or axile placentae; seeds numerous, without 

 endosperm. Bignonia, Catalpa, Tecoma. (Pf. 4 8b :189.) 



Family 180. Pedaliaceae. Mostly tropical herbs with gen- 

 erally opposite leaves; ovary 1, 2, or 4-celled with axile pla- 

 centae; seeds 1-many, with but little endosperm. Pedalium, 

 Sesamum. (Pf. 4 3b :253.) 



Family 181. Martyniaceae. Mostly tropical herbs with 

 generally opposite leaves; stamens 2 or 4; ovary 1-celled with 



projecting parietal placentae; endosperm 0. Martynia. (Pf. 

 4 3b :265.) 



Family 182. Orobanchaceae. Broom-rapes. Leafless para- 

 sitic herbs; ovary 1-celled; placentae 4, parietal; ovules 



minute, numerous; endosperm fleshy. Orobanche, Thalesia, 

 Conopholis. (Pf. 4 3b :123.) 



Family 183. Gesneraceae. Tropical and subtropical herbs, 

 shrubs (and trees) with usually opposite leaves; ovary in- 

 ferior or superior, 1-celled, with 2 parietal placentae; seeds 

 numerous; endosperm scanty or 0. Streptocarpus, Gesnera, 

 Gloxinia. (Pf. 4 3b : 133.) 



Family 184. Columelliaceae. South American trees and 

 shrubs with opposite, evergreen leaves and nearly regular 

 flowers ; stamens 2 ; ovary inferior, 2-celled, with an axile pla- 

 centa; endosperm fleshy. Columellia. (Pf. 4 3b :186.) 



Family 185. Lentibulariaceae. Bladderworts. Aquatic or 

 marsh herbs with basal, entire or dissected leaves and irreg- 

 ular flowers; ovary 1-celled, with a globose basilar placenta; 

 seeds numerous ; endosperm 0. Pinguicula, Utricularia. (Pf. 

 4 3b :108.) 



Family 186. Globulariaceae. Shrubs and undershrubs or 

 evergreen herbs, with alternate leaves, and a terminal capitate 



