BORRAGINACE^ — HYDROPHYLLACE^ 383 



M. Idxa, Lehm. Flowers smaller, paler, on long pedicels: calyx-lobes 

 long: habit lax. Swamps. 



M, arv6n8i8, Hoflf. Hairy: leaves lance-oblong, acute: calyx closing in 

 fruit and beset with minutely hooked bristles. Fields, native. 



C. LITHOSPfiRMUM. Gromwell. Puccoon. 



Hairy herbs with roots usually red: leaves alternate, entire: flowers in 

 1-^ fy-bracted racemes or spikes: calyx-segments 5, narrow: corolla funriel- 

 cr salver-form, 5-lobed, sometimes crested in throat: stamens 5, with short 

 filinients, included on corolla-throat: stigma 2-lobed: nutlets 4, smooth 

 or wrinkled, usually stony. 



L. arv6nse, Linn. Rough weed from Europe, 8-12 in.: leaves small, lan- 

 ceolate to linear: flowers insignificant: corolla white, hardly as long as calyx, 

 without appendages in throat: nutlets roughly wrinkled, dull gray. 



L. hirtum, Lehm. A rough, native perennial, with simple stem, 8 in. to 

 2 ft., on dry, sterile ground: leaves lanceolate or linear, hairy: flowers 

 densely crowded in short terminal leafy racemes: corolla bright orange- 

 yellow, showy, longer than calyx, with little appendages in throat, and 

 woolly. June. 



L. can68cens, Lehm. Not so rough as preceding, but hoary (also native), 

 6-18 in. high : flowers smaller and corolla-throat appendaged, but not 

 bearded: yellow flowers axillary. 



7. £CHinM. Viper's Bugloss. 



Stout and coarse herbs: leaves alternate, entire: flowers rather large, 

 i»»ually blue or purplish, in spicate or panic'ed racemes: calyx-segments 5, 

 narrow: corolla irregular, with 5 unequal lobes, short-tubed, and throat not 

 bearded: stamens 5, unequal, and long-exserted: stigmas 2 or 2-lobed: 

 nutlets 4, erect, rough-wrinkled. 



E. vulgare. Linn. Stems 1-3 ft. erect, leafy, very bristly hairy: leaves 

 lanceolate, sessile on stem, 4-8 in. long: flowers showy, purplish, changing 

 to bright blue in one-sided spikes. Biennial; early summer. Naturalized 

 from Europe. 



XXXIX. HYDROPHYLLACE^. Waterleaf Family. 



Mostly hirsute or scabrous herbs, with good -sized mostly alter- 

 nate, simple or compound leaves: flowers regular, 5-parted, in 1-sided 

 cymes, spikes or racemes: ovary superior, 1-celled, with 2 parietal 

 placentae, or apparently 2-celled: styles 2 or 2-cleft: capsule usually 

 loculicidally 2-valved. Nearly 200 species, but only 1 genus frequent 

 in northeastern states. 

 HYDROPH'S'LLUM. Waterleaf. 



Perennial, usually found in rich, low woods: leaves large, petioled: 

 cymes more or less coiled: calyx often with small appendages at the notches 



