WATERLEAF FAMILY 117 



H.YDROPE vli.um Linne 1753 Waterleaf 

 (Gr. hydro-,* water, phyllon, leaf, from the splotches on the leaf; 



PI. 20, hg. 7-8. 



Sepals 5, united, petals 5, white, blue or purple, united into a tubular 

 to bell-shaped corolla, each lobe with a linear appendage within, which 



ids to the base of the corolla, stamens 5, exserted, filaments hairy 

 below or at the base, ovary 1 -celled, hairy, styles united nearly to the 

 summit, capsule 2-valved, seeds 1-4; flowers in terminal or lateral more or 

 less curved cymes ; leaves lobed, pinnately cut or divided ; perennial or 

 biennial. 



1. Edge of leaflets toothed; flower stalks longer 



than leaf stalks H. Fendleri 



2. Edge of leaftets entire ; flower stalks much short- 



er than leaf stalks H. capitdtum 



Macrocalyx Trew 1761 



i Gr. makros, large, kalyx, cup, calyx) 

 (Ellisia L.) 



Sepals 5, united, much enlarged in fruit, petals 5, white or bluish, 

 united into a bell-shaped or nearly cylindric corolla, usually with 5 minute 

 appendages on the tube within, stamens 5, included, ovary 1 -celled, styles 

 !united below, ovules 2-4 on each of the placentae; flowers solitary or in 

 .racemes; leaves opposite or alternate, pinnately divided or 1-3 pinnate; 

 annual. 

 (Stems hairy, 3-10 in. high; leaves pinnately divided; 



flowers white or bluish M. nyctelea 



NaSia Linne 1753 Nama 

 (Gr. nama, brook, referring to the habitat of some species) 

 Sepals 5, distinct, petals 5, white or blue, united into a shallow bell- 

 shaped corolla, stamens 5, on the base of the corolla, ovary 2-celled (rarely 

 3-celled), style 2 (rarely 3) slender, stigma globose, capsule globose or 

 ovoid ; flowers in cyme-like clusters or racemes ; leaves alternate, entire, 

 sometimes with spines in their axils ; perennial. 

 Stem 3-8 in. high, hairy; leaves linear; flowers small N^angusti folium 



Nemophila Xuttall 1822 Nemophila 

 (Gr. nemos, wood, philos, loving) 



Sepals 5, united, with a turned-back or spreading appendage in each 

 groove, petals 5, white, blue or variegated, united into a bell-shaped co- 



