hydrophyllum HYDROPHYLLACE^E 465 



NEMOPHILA 



Filaments slender, long-exserted, bearded at the middle ; anthers 

 linear or oblong, inflexed in the bud. Style slender, long-exsert- 

 ed. Seeds 1-4, ovules only four. 



H. capitatum Dougl. Benth in Linn. Trans, xvii, 273 Retrorsely his- 

 pid with minute white hairs : stems often tufted. 4-12 inches high from 

 a small fascicle of thickened perennial perpendicular roots: one-several- 

 leaved, erect in flower, recurving and often prostrate in fruit: leaves long- 

 petioled, exceeding the stems, pinnately 5-7-parted or at base divided ; 

 the lanceolate divisions entire or often 2-3-lobed or 2-3- cleft, all mucron- 

 ate-tipped: flowers in a dense capitate cluster: calyx very hispid, parted 

 nearly to the base, with linear-oblong, obtuse divisions: corolla blue, but 

 little longer than the calyx : filaments twice as long as the corolla; anthers 

 oblong, attached Dear the middle; style equalling the stamens, 2-lobed: 

 seed a line in diameter. Under shrubs &c. Brit. Columbia to California 

 east of the Cascade Mountains. 



H. occidentale Gray Proc. Am. Acad, x, 314. Pubescent, hirsute, 

 or sparingly hispid : stems erect, usually numerous from a fascicle of fleshy- 

 fibrous roots, 12-18 inches high: leaves elongated-oblong in general out- 

 line, pinnately parted or divided into 7-15 oblong, mostly incised or cleft 

 obtuse divisions 1-2 inches long : peduncles rather slender, elongated, often 

 surpassing the subtending leaf : cymes mostly dense or capitate : calyx 

 deeply parted, its divisions lanceolate and rather obtuse : corolla white to 

 violet-purple, 4-5 lines long : anthers oblong-linear. In moist shady places, 

 Washington to California. 



Var. Fendleri Gray 1. c. Pubescence mainly hirsute or hispid, not 

 at all canescent or cinereous : divisions of the leaves broader, acute or acu- 

 minate, incisely serrate: peduncles shorter: cyme rather open: corolla 

 white or nearly so. In shaded ravines, Mount Adams Washington to Col- 

 orado and New Mexico. 



H. Virginicum L. Sp. 146. Pubescent with short scattered hairs: 

 stems few or solitary from a short scaly rootstock, 1-2 feet high : leaves 

 very long-petioled, ovate or cordate in outline, 3-5-parted or divided, the 

 lobes or divisions 2-4 inches long, ovate-lanceolate to rhombic-ovate, acute 

 or acuminate, coarsely incised-toothed, the lowest commonlv 2-cleft, and 

 the terminal one often 3-lobed : peduncle elongated, at length surpassing 

 the leaves, usually once or twice forked; cymes at length open: calyx par- 

 ted to the very base Into linear and spreading hispid-ciliate acute divisions : 

 corolla nearly white, or sometimes deep violet, 3-4 lines long: filaments 

 more than twice as long as the corolla; anthers oblong, attached below the 

 middle. In rich damp woods, Oregon to Alaska and across the Continent. 



2 NEMOPHILA Nutt. Jour. Acad. Phila^. ii, 179. 



Annuals with mostly opposite and usually pinnatifid leaves, 

 and usually large flowers on rather long axillary peduncles. 

 Calyx deeply 5-cleft or 5-parted, with a reflexed or spreading ap- 

 pendage in each sinus, enlarged in fruit. Corolla rotate or nearly 

 campanulate, usually longer than the calyx : the base within most- 

 ly with 10 appendages. Stamens shorter than the corolla: anthers 

 usually sagittate-oblong, Ovules 4-20. Seeds commonly with a 

 deciduous or more persistent caruncle. 



Jf. Menziesii H. & A. Bot. Beech. 125. Sparingly strigose-pubescent : 

 diffusely branched from the base, the branches mostly prostrate, 2-10 

 inches long: leaves oblong in outline on rather short winged petioles, 3-9 

 parted into rounded obovate lobes 1-2 lines long : peduncles 2-3 inches 



