44 DIDYNAMIA. ANGIOSPERMIA; 



428. SCROPHULARIA. L. (Figwoit.) 



Calix 5-cleft. Corolla subglobose, resupinate 

 Capsule 2-celIe^d. 



Mostly herbaceous, rarely shrubby; stem usually quad- 

 rangular; leaves mostly opposite, rarely verLicillate, en- 

 tire or pinnatlfid; peduncles 2 or many-flowered, bibrac- 

 teate at the divisions, oppositely axillary, terminally spi- 

 kjed or paniculate. — Several of the common species have 

 a foelid scent. Flowers often brownish or inclining to 

 red. 



Species. 1. S. marylandica. 2. lanceolata. 



A genus of about 30 species, principally indigenous to 

 the south of Europe, Barbary and the Levant; there are 

 2 also in tropical America. 



459. BIGNONIA. L. (Tnimpet-flower, &c.) 

 Calix 5 -toothed, cyathiform, partly coriace- 

 ous. Corolla 5-lobed, campanulate^.ventricose 

 on the under side. Siliq.ue 2-ceHed. Seeds 

 membranaceously alated. 



Trees or climbing shrubs; leaves opposite, simple, con- 

 jugate, ternate, digitate, pinnate or decompounded, the 

 conjugate leaved species mostly cirrhiferous; flowers pa- 

 niculate. 



Species. 1. 13. crucigera. This plant does not appear 

 to be indigenous to the U. S. 2. cupreolata. 3. radicans. 



This splendid genus, of 60 or more species, is with « 

 few exceptions in India, China, and Japan, exclusively in- 

 digenous to the tropical regions of America. 



430. RUELLIA. L, 



Calix 5-parted, often bibracteate. Corolla 

 subrampanuiate, border 5-lobed. Stamina ap- 

 proximating by pairs. Capsule attenuated at 

 either extremity, bursting with elastic teeth. 

 Seeds few. 



A genus of herbaceous or shrubby plants nearly allied 

 to Justiciar producing axillary and terminal flowers. 



Species. 1. R. strepens. 2. oblongifoliaf also R. hybri^ 

 da. Ph. 3. humistrata. 



A tropicalgenusof more than 60 .-pedes, indigenous to- 

 India, Arabia, Africa and the warmer parts of America. 



