102 



KEY TO THE GENERA AND SPECIES. 



KEY TO THE GENERA. 



Corolla salvcrsliaiicil, the straight -tube entire; fruit capsular, at first fleshy, later ilehiseiug 



by two lateral slits Brighamia 



Corolla tubular, curved, deeply slit at the back. 

 Inflorescence a terminal raceme or racemes. 



Fruit a capsule dehiscing at the top into loculicidal valves Lobelia 



Capsule subglobose with an indehiscent depressed umbonate vertex, o[ieniug' by 



round pores in the wall of the capsule Trematolobelia 



Inflorescence axillary. 

 Fruit a berry. 



Seeds smooth, crustaceous, brown, shiny. 



Inflorescence a cyme, flowers two to thirteen Clermontia 



Inflorescence a strict raceme. 



Staminal column free from the corolla Cyanea 



Staminal eolunm a<lnate to the corolla, the latter laterally compressed 



Eoilandia 



Seeds greyish-white, dull, v\-rinkled, flowers with one dorsal or two adilitioual 

 lateral knobs Delissea 



KEY TO THE SPECIES OF LOBELIA. 



Corolla curved, with converging upper lobes, cream colored to purjile. 

 All anthers penicillate, seeds marginate. 



Stem simple, flowering spike large pyramidal, bracts broad foliaceous. 



Flowers cream colored, 8 cm long, 1.5 cm wide 



Lobelia gloriamontis 



Flowers deep wine colored, raceme and flowers smaller, the latter (i cm long, 



less than 1 cm wide Lobelia Gaudichaudii 



Stem branching candelabra like, flowering spikes two to four. 



Flowers cream colored as in L. gloriamontis, but bracts and calycine lobes 



linear-lanceolate L. gloriamontis longibracteata 



Flowers purplish to pink, or greenish-white with deep puijdisli streaks. 



Eaeemes slender, deep purple glabrous or jmlierulnus, leaves linear acute 



as are the bracts L. kauaensis 



Racemes stout, villous throughout, greenish, leaves broad oblong, bracts 

 broadly ovoid, the ujiper ones cordate L. kauaensis villosa 

 Corolla suberect, the upper lobes spreading, lower anthers penicillate, seeds marginate. 



Calycine lobes and bracts subulate. 



Stem solid, ending in a single raceme, flowers bluish, leaves linear with revolute 



margins Lobelia yuccoides 



Stems hollow, flowers blue. 



Stem erect, spikes large, single or several. 



Capsule cylindrical, leaves broadly lanceolate, .30-4(1 rm long, white beneath 



Lobelia hypoleuca 



Capsule ovoid or obovate-turljinate. 



Leaves elongate-linear 10-20 cm long canescent beneath 



Lobelia neriif olia 



Leaves linear oblong 50 cm long, 5 i-in widi'. liirsutc> with greenish 



gray hair beneath Lobelia oahuensis 



Stem prostrate or clustered from a thick mass of roots. 



Flowering branches virgate, single or with one or more distant smaller 



ones; corolla 18-i!0 mm long, lilac coloreil 



Lobelia Hillebrandii 



Flowering branches arising from a wooily base, the former angleil; corolla 



25-36 mm long, garnet colored Lobelia tortuosa 



Calycine lobes and bracts green, foliaceous, flowers as in Lnlnliii 11 iHi hniiiilii . , . . 

 Lobelia Dunbarii 



NOTE: — L. Remyi is not suiBciently known and is therefore not included in this kev. 



