( 3973 ) 



SlPHOCAMPYLUS BETULjEFOLIUS. BlRCH- 

 LEAVED SlPHOCAMPYLUS. 



Class and Order. 

 Pentandria Monogynia. 



( Nat. Ord. — Lobeliace^e. ) 



Generic Character. 



Calyx 5-lobus, tubo turbinato aut hemisphaerico. Corolla 

 tubo superne saepius ventricoso, plerumque recurvo, integro 

 vel (rarissime) basi fisso et superne solum integro ; lobis 

 5 tubo brevioribus bilabiatis falcatis, duobus superioribus 

 saepe majoribus supra faucem reflexis, inferioribus subbrevi- 

 oribus. Stamina connata, antheris 2 inferioribus apice bar- 

 batis, aut (rarius) omnibus hirsutis. — Frutices, suffrutices, 

 vel herbae, ex America prcesertim meridionali, non nunquam 

 scandentes, caulibus ramisq. scepius erectis,foliis alternis aut 

 verticillatis, pedicellis axillaribus, Jloribus rubris vel sordide 

 albidis, corollis plerumque pubescentibus latere superiore 

 paulo majore, convexitas corolla sursum spectans. D C. 



Specific Character and Synonyms. 



Siphocampylus* bctulcefolius ; caule ramoso tereti glabro, 

 foliis petiolatis ovato-acuminatis subcordato-triangu- 

 laribus subduplicato-acute serratis superne glabris 

 subtus nervo et petiolis tenuissime pubescentibus, pe- 

 dicellis folio longioribus glabris, tubo calycis glabri 

 obverse pyramidato lobis angustisacutis serrulatis tubo 

 sublongioribus corolla plus sexies brevioribus, corolla 

 subarcuata glabra superne dilatata lobis anguste lan- 

 ceolatis acutis, antheris glabris 2 inf. apice barbatis, 

 capsula obverse pyramidata infera. D C. 



SlPHOCAMPYLUS 



* So named by Pohl from <r«puv, a tube, and w^nrvXoj, bent or curved, as 

 more or less characteristic of the tube of the corolla. 



