WATKRLEAP FAMILT. 259 



^^■^^?^°^^^^^^^' WATERLEAF, is a translation of the name 

 from the Greek, the application obscnre. Plants of rich woods, &c. Flow- 

 ers white or bldish-tinged, in early summer. % 



* Calyx with minute appendages if ant/ : rootitocks creeping, scaly-toothed. 



H. maeroph^llum. From Ohio W. & S. W. : rough-hairy, with leaves 

 pinnately divided into 9-13 cut- toothed divisions or leaflets ; a globular cluster 

 of flowers on a very long peduncle. . 



H. Virginieum. very common N. & W. : smooth or smoothish, with 

 5-7 main divisions to the pinnate leaves, the lowest pair 2-parted, and calyx- 

 lobes bristly-ciliate. 



H. Canad^nse. Chiefly N. : barely 1° high, nearly smooth, the roundish 

 leaves palmately 5-7-Iobed and with hcartrshaped base, or some minute leaflets 

 on the petioles, which are longer than the peduncles of the flower-cluster. 

 • « Calyx with a conspiawus reflexed appendage in each sinus. 



H. appendleul&,tum. From New York W. & S. : pubescent or hairy, 

 with rounded palmately 5-lobed leaves or some of them pinnately divided, rather 

 loose flower-clusters, and bristly-hairy calyx. 



2. NEMOPHIIiA. (Name from the Greek, means /o»ero/"t^e(7TOwc.) Low 

 spreading plants cultivated for ornament ; all but the first from California : 

 fl.' summer. ® 



N. phacelioldes. Wild from Arkansas S., and sparingly cult. ; with 

 ascending stems 1° - 2° long, alternate leaves pinnately parted into 3-9 oblong 

 entire divisions, and purplish-blue corolla I^' broad. 



N. iusiguis. Slender, procumbent, with lobes of the pinnate leaves cut- 

 toothed, and pure blue corolla 1' broad. 



N. maculdita. Prostrate, with leaves all opposite and mostly sessile, 

 the lower lyrate-pinnatifid, upper sparingly cut-toothed, and white corolla with 

 violet patch on each lobe. 



N. atom^ria. Procumbent; leaves opposite, pinnatifid ; corolla smaller, 

 white sprinkled with chocolate-brown spots. 



3. FHACBZiIA. (Name from Greek word for a cluster.) Several species 

 cult, for ornament : fl. spring or summer. 



§ 1. Tkue Phacelia, with only 4 ovules and seeds : lobes of corolla entire. 



P. Cong^Sta. Cult, from Texas, &c. : rather pubescent, with leaves pin • 

 nately divided or cleft into few oblong or ovate cut-toothed leaflets or lobes, and 

 small blue flowers in 3 or 4 spikes at the summit of a slender peduncle ; stamens 

 slirfitly protruding. @ 



P. tanacetifdlia, from California: taller, bristly-hairy, with narrower 

 pinnatifid leaflets, larger flowers in loneer dense spikes, and long stamens. (D 



P. bipinnatifida. Wild from Ohio S. & W. in rich shady soil : 10-2° 

 high, branched, glandular-hairy, with leaves twice pinnately divided into ovate 

 cut-lobed leaflets, flowers slender pedicelled in long loose racemes, violet-blue 

 corolla J' or more broad. @ 



§ 2. CosmAnthits, with 4 ovules and seedi, and fringed lobes to corolla. ® ® 

 P. Plirshii. Shady soil from Penn. W. & S. and cult, under the name of 



the next : slendei', 8'-12' high ; lobes of pinnatifid leaves several, lance-oblong, 



acute ; flowers of the raceme numerous, on slender pedicels ; corolla light blue 



or whitish, ^' broad ; filaments hairy below. 

 P. Smhrikta,, the true plant grows only in the high Alleghanies S., is 



smaller, with 3-7 rounded or oblong blunt divisions to the leaves, few and 



smaller white flowera 



§ 3. EtTOCA, loith seeds or at least ovules several or many : corolla-lobes entire. 



P. parvifl6ra. Shaded banks from Penn. to N. Car. : scarce, delicate 

 little pknt, 3' -6' high, with pinnately divided or cleft leaves, a raceme of few 

 flowers on slender pedicels, bluish corolla less than J' wide, and few seeds (J) 



