HYDROPHYLLACL.i:. 273 



pie; pedicels elongated; calyx-lobes lance-linear, acutish; corolla fimbriate. (P. 

 ffmbriata. Pttrah. Cosmanthus fimbriatus. Nolte.) 



Moist woods and river bottoms. April — Juw>. Biennial. Ptant 8 to 12 Ineh&f 

 high. Blender and with Blender branches, faniii, ii.ht blue. 1 /! to ]/(, inch in 

 diamater, strongly laciniat v-fringed, nearly destitute of folds and scales iu»ide. 



3. COSMANTHUS, Nolte. 



Gr. JtosmoSj elegance, anthos, a flower. 



Calyx 5-parted, the sinuses naked. Corolla broadly 

 bell-shaped, 5-cleft, without scales. Stamens 5, slender,, 

 about as long as the corolla. Style bifid; ovary 1-celled, 

 hairy above. Capsule 2-valved, septiferous in the middle, 

 2 to 4, sometimes 8-seeded. — North American annual he rl-, 

 with alternate leaves, and white or pale blue flowers, in lung bractkss 

 racemes. 



C. paryiflorus, DC. S'maV -flowered Cosmantlius. 



Diffuse, pubescent ; leaves pinnatifid and triad, middle lobe obovate, lateral acute, 

 diverging; lower leave? petiolate, upper sessile; raceme solitary ; calyx4dbes lance- 

 ovate, shorter than the corolla; stamens exserted ; flam, nts hair; at base. 



River bank? and hillsides, common along the Susquehanna. May. Stem often 

 branched from the tlase, 4 to S inches high. Corolla smooth, pale blue inclining to- 

 violet, greenish white in the centre, the divisions rounded. 



4. EUTOCA. 



Gr. cuto\os, fruitful 



Calyx 5-parted. Corolla 5-cleft, broadly bell-shaped, 

 caducous, the tube without appendages. Stamens 5, as 

 long as the corolla. Style bifid; ovary hair}-. Capsule 

 1-celled, 2-valvcd, the valves septiferous in the middle. 

 Seeds numerous, rugulose. — Annuals, with alternate haves* 

 and show)/ blue or white flowers. 



E. vescida. Viscid Eutoca. 



Stem ascending, branched, covered with a viscid glandular pubescence: leaves 

 svate-cordate, crenate serrate : coro'la broadly bell-shaped or salver-form. A beau- 

 tiful garden annual, often cultivated. Stem 1 to 2 feet high, very visced, emitting 

 a very disagreeable oJor. Ca'>/x-$ef,ments narrow, % as long as the corolladobes 

 Corolla d ?ep-blue with a white centre sprinkle! with purple in the fcrm of a 

 pentagon, % to 1 inch in diameter- Filaments hairy. 



5. NEMOPHILA. Grove-love. 



Gr. nemos, a grove, a.w\ phileo, to love ; so called from its habitat. 



Calyx 10-parted, the alternate lobes reflexed. Corolla 

 flat bell-shaped, 5-lobed ; the lobes emarginate, with necteri- 

 ferous cavities at the base. Stamens shorter than the cor- 

 olla. Capsule fleshy, 2-valved ; 4-seeded. 



