104 PHLOX ORDER 



Coll6mia Nuttall 1818 Collomia 



(Gr. kolla, glue, from the wetted seeds) 



PL 19, fig. 7. 



Sepals 5, united into a cup-shaped or obpyramidal calyx, petals 5, 

 purple, white or reddish, united into a tubular-funnelform or salverform 

 corolla, stamens 5, on the tube of the corolla, ovary 3-celled, ovules 1-few 

 in each cavity, capsule oval to obovoid ; flowers in heads or cymes ; leaves 

 alternate, mostly entire; annual or rarely perennial. 

 Stems 2 in. to 3 ft. high; leaves lance-linear to lance- 

 oblong; flowers 10-15 mm. long C. linearis 



Gilia Ruiz and Pavon 1794 Gilia 



(Named for Gil, a Spanish botanist) 



PL 19, fig. 3 ; pi. 20, fig. 5-6. 



Sepals 5, united into a bell-shaped or tube-shaped calyx, petals 6, 

 white, red, pink, violet or blue, united into a funnelform or tubular, bell- 

 shaped or rarely salverform corolla, stamens 5, on the corolla, ovary 

 3-celled, ovules solitary or several in each cell, capsule ovoid or oblong, 

 3-celled; flowers solitary or clustered; leaves opposite or alternate, entire, 

 or pinnately or palmately cut or dissected; annual, biennial or perennial. 

 1. Flowers in a panicle, often much branched 

 a. Leaves regularly alternate 



(1) Flowers more than 1 cm. long, often 3-5 



cm. 



(a) Leaves mostly entire and basal G. subniida 



(b) Leaves pinnatifid, the stems leafy 



x. Corolla lobes narrow, lance-ovate, 

 acute ; fruit and calyx nearly equal ; 

 flowers red to white G. aggregdta 



y. Corolla lobes broad, ovate to round ; 

 fruit twice as long as calyx ; flowers 

 white 

 (x) Corolla 3-5 cm. long, the lobes 



round G. longiflora 



(y) Corolla 1.5-3 cm. long, the lobes 



somewhat acute G. laxiflora 



(2) Flowers 4-12 mm. long 

 (a) Stamens exserted 



x. Corolla white, dotted, 10-12 mm. long G. polydntha 



