BORAGINACEiE. 287 



downy plant, of a dull green color, 18 — 20 inches high and emitting a dis- 

 agreeable smell, which several distinguished botanists have compared to the 

 smell of young mice ! Grows in waste grounds and roadsides. Stem erect, 

 hairy, 1 — 2 feet high. Leaves hoary with soft down on both sides, entire, 

 upper ones clasping, with broad bases, lower ones G — 10 inches long and 1 — 2 

 inches wide, tapering into a long, attenuated base (winged petiole ?) pointed 

 at apex. Clusters terminal, panicled, recurved at the end. Flowers with a 

 downy calyx and a dull red corolla. Calyx leaflike in fruit. Seeds lough, 

 with hooked prickles July. Per. Introduced. Hound' s-tongue. 



2. C. amplexicau'le. 



Hirsute-pilose ; leaves oblong-oval, acute, upper ones clasping, cordate at 

 base; corymb terminal, leafless, on a long peduncle. Inhabiting woods and 

 thickets. A very hairy plant, 2 feet high, simple, bearing at the top of its 

 leafless summit, a small, panicled corymb of pale purple flowers. Radical 

 leaves 5 — G inches long and half as wide. Calyx and pedicels very hairy. 

 June. Per. Clasping Hound' s-tongue. 



3. ECHINOSPE'RMUM. 



Calyx 5-parted ; corolla liypocrateriform, orifice closed with 

 concave scales ; seeds echinale, compressed or angular, fixed 

 to a central column. 



1. E. ViRGI'NICUM. Lehm. Rochelia Virg. Torr. Myosotis Vir. i. 

 Stem much branched ; leaves oblong-lanceolate, acuminate, scabrous above } 



racemes divaricate, dichotomous ; frtiit densely covered with hooked prickles. 

 An erect, hairy weed, in rocky grounds and rubbish. Stem furrowed, 2 — 3 

 feet higii, with many slender. reiiKjte, wide-spread branches, each terminating 

 in a centrifujjal, racemose inflorescence. Leaves entire, remote, large (3 — 4 

 inches long), tapering to each end, the lower ones petioled. flowers very 

 small, white, the pedicels nodding in fruit. Ji. Ann. Virginian Muuse-ear. 



2. E. LappULA. Lehm. Rochelia Lapp. Torr. Myosotis Lap. L. 



Stem branched above; leaves lanceolate or linear-lanceolate, hairy; corolla 

 longer than the calyx, tlie border erect-spreading ; nchenia each with 2 rows 

 of hooked prickles on the margin. An erect herb, in dry soils, roadsides, &.c. 

 Stem having a dry, grayish aspect from its dense hairs, about a foot high, 

 undivided except at the top where it branches into a kind of panicle. Leaves 

 an inch long, and 1 — 2 lines wide, sessile. Flowers very small, blue. July. 

 Ann. Burr-seed. 



4. E'CHIUxM. 



Calyx 5-parted, segments subulate, erect; corolla campan- 

 ulate, obliquely and unequally lobed, with a short tube and 

 naked orifice; stigma cleft; achenia tuberculate, inipeiToratc. 



Gr. £X'*ii viper; from the spotted stem of some species. Shrubs and 

 annual herbs Fls cyanic, irregular. Fil. unequal, long as cor. subulate. 

 Anth.extrorse. Style long, cleft at the summit. 



E. vulga're. 



Stem roucrh with bristles and tubercles; catiUnc leaves lanceolate, and rough 

 with bristles ; spikes lateral, hairy, deflected. A rough plant, with large, 

 handsome, violet-colored flowers, found in fields and waste grounds. Stem 

 18 — !iO inches high, round, with entire, dull green leaves, which are 2 — 6 



