BORAGE FAMILY 119 



2. Fruits smooth or merely toothed 



a. Ovary of 4 nutlets 



(1) Flowers blue or bluish 



(a) Dwarf, 1-5 cm. high, with densely white 



woolly stems and basal leaves ERITRICHIUM 



(b) Taller, 1-10 dm. high, not densely white 



woolly 

 x. Nutlets attached laterally to a cone-like 



receptacle; very common MERTENSIA 



y. Nutlets attached at their bases ; rare MYOSOTIS 



(2) Flowers white to yellow or greenish 



(a) Corolla funnelform or salverform, the 



lobes spreading; style included 



x. Flowers mostly bright yellow to orange ; 



nutlets attached at their bases LITHOSPERMUM 



y. Flowers mostly white or greenish, rare- 

 ly yellow; nutlets attached laterally KRYNITZKIA 



(b) Corolla tubular, lobes straight; style long 



exserted ONOSMODIUM 



b. Ovary entire, not divided into 4 nutlets ; flow- 



ers white 



(1) Style 2-cleft; stems repeatedly 2-forked COLDENIA 



(2) Style entire or none ; stems not 2-forked HELTOTROPIUM 



COLDENIA Linne 1753 COLDENIA 

 (Named for Colden, an English botanist) 



Sepals 5, united, petals 5, white or pink, united into a funnelform or 

 salverform tube, stamens 5, ovary 4-celled, stigmas 1-2, fruit of 4 nutlets ; 

 flowers in dense lateral and terminal clusters ; leaves alternate, entire ; 

 annual. 



Stems prostrate; leaves ovate or rounded, 4-10 mm. 



long C. Nuttdllii 



ERITRICHIUM Schrader 1820 DWARF FORGET-ME-NOT 



(Gr. eri, very, trichios, hairy) 



PL 21, fig. 8. 



Sepals 5, united, petals 5, white or blue, united into a salverform co- 

 rolla, stamens 5, included, ovary 4-divided, style short, fruit of 4 nutlets; 

 flowers in terminal spikes or racemes; leaves linear, entire, the lowest 

 often opposite; annual. 



