358 HYDKOPHYLLACE^. (WATERLEAF FAMILY.) 



1'^ long; peduncle shorter than the petiole; calyx-lobes lanceolate-pointed from 

 a broad base, very hairy ; flowers (6" long) crowded in a globular cluster; an- 

 thers short-oblong. — Kich woods, Ohio to Va. and Ala., west to the Missis- 

 sippi. July. 



2. H, Virginicum, L. SmootMsh (l -2° high) ; leaves pinnafel// divided ; 

 the divisions .5-7, ovaic-lanceolate or oblong, pointed , s\iSiT\Ay cut-toothed, the 

 lowest mostly 2-parted, the uppermost confluent ; peduncles longer than the peti- 

 oles of the upper leaves, forked ; calyx-lobes narrowly linear, bristly-ciliate ; 

 floAvers 3'' long ; anthers oblong-linear. — Kich woods. June -Aug. r 



3. H. Canadense, L. Nearli/ smooth (1° high); leaves (3-5' broad) 

 palmatehj 5 - ~-lohed, rounded, heart-shaped at base, unequally toothed, those 

 from the root sometimes with 2-3 small and scattered lateral leaflets; pe- 

 duncles mosdy shorter than the petioles, forked, the nearly white flowers on very 

 short pedicels; calyx-lobes linear-awl-shaped, nearly smooth, often with minute 

 teeth in the sinuses. — Damp rich woods, X. Eng. to the mountains of \'a., and 

 west to the Mississippi. June - Aug. — Rootstocks thickened and very strongly 

 toothed in 2 rows by the persistent bases of the stout petioles. 



* * Cah/x u-ith a small rejlexed lobe in each sinus; stamens little exserted. 



4. H. appendiculatuni, Michx. Hairy ; stem-leaves palmately .5-lobed, 

 rounded, the lobes toothed and pointed, tlie lowest pinnately divided , cymes 

 rather loosely flowered ; filiform pedicels and calyx bristly-hairy. — Damp 

 woods. Out. to mountains of N. C, west to Minn., Iowa, and ]\Io. June, July. 



2. NEMOPHILA, Nutt. 



Calyx 5-parted, with a reflexed appendage in each sinus, more or less en- 

 larged in fruit. Corolla l)ell-shaped or almost Avheel-shaped ; the lobes convo- 

 lute in the bud ; the tube mostly with 10 small folds or scales inside. Stamens 

 included ; anthers ovoid or heart-shaped. Placentee (bearing each 2 - 12 ovules), 

 capsule and seeds as in Hydrophyllum. — Diffuse and fragile annuals, with 

 opposite or partly alternate pinnatifid or lobed leaves, and one-flowered pedun- 

 cles ; the corolla white, blue, or marked with purple. (Xame composed of u4fios, 

 a grove, and (pi\€w, to love.) Some handsome species are garden annuals. 



1. N. micrbcalyx, Fisch. & Meyer. Small, roughish-pubescent ; stems 

 diffusely spreading (2 - 8' long) ; leaves parted or deeply cleft into 3-5 round- 

 ish or wedge-obovate sparingly cut-lobed divisions, the upper leaves all alter- 

 nate ; peduncles opposite the leaves, shorter than the long petioles ; flowers 

 minute ; corolla white, longer than the calyx ; placentae each 2-ovuled ; capsule 

 1 - 2-seeded. — Moist woods, Va. to Fla., west to Ark. and Tex. April - June. 



3. ELLISIA, L. 



Calyx 5-parted, without appendages, enlarged and foliaceous in fruit. Co- 

 rolla bell-shaped or cylindraceous, not longer than the calyx, 5-lobed above; 

 the lobes imbricated or convolute in the bud, the tube witli 5 minute appen- 

 dages within. Stamens included. l'lacent?e (each 2-ovule(l), fruit, and seeds 

 much as in Hydrophyllum. — Delicate and branching annuals, with lobed or 

 divided leaves, the lower opposite, and small wliitish flowers. (Named iovJohn 

 Ellis, a distinguished naturalist, an English correspondent of Linujeus.) 



