84 



BORAGINACEiE. 



Onosmodium. 



1. Onosmodium hispidum, Michx. (PL LXXIX.) False Gromwell. 



Whole plant hispid ; leaves obovate-lanceolate, papillose-dotted ; segments of the corolla 

 lanceolate-subulate— Michx. fl. I. p. 132 ; Pursh, fl. 1. p. 132 ; Ell. sk. 1. p. 226 ; Torr. 

 fl. 1. p. 204; Beck, hot. p. 252; Darlivgt.fi. Cest. p. 119. Lithospermum Virginianum, 

 Linn. sp. 1. p. 132; Willd. sp. 1. p. 752. Purshia hispida, Spreng. in Lehrn. Asperif. 

 p. 382. 



Perennial. Stem 1-2 feet high, branching, rough. Leaves 2-3 inches long, varying 

 from oblong-lanceolate to ovate -lanceolate, sessile, strongly nerved, clothed with short stiff 

 hairs which proceed from minute warts or papillae. Racemes at first recurved and nodding, 

 finally erect. Calyx deeply 5-parted ; the segments narrowly lanceolate, very hispid. Corolla 

 pale greenish yellow, finally more than twice as long as the calyx, pubescent ; the lobes hairy 

 at the summit. Stamens included : filaments very short : anthers large, sagittate. Style 

 nearly twice as long as the corolla : stigma small, simple. Nuts ovoid, gray, shining, marked 

 with a few impressions, angular on the inside ; one or more of them often abortive. 



Borders of fields, and hill-sides. Fl. June - July. Fr. August. 



2. ECHIUM. Linn. ; Encll. gen. 3757. viper's BUGLOSS. 



[ So named from echis, the Greek for viper ; the seeds resembling the head of that animal.] 



Calyx 5-parted ; the segments subulate, erect. Corolla irregular, somewhat campanulate ; 

 the limb unequally 5-lobed : throat open : tube short. Stigma 2-cleft. Nuts tuberculate, 

 not perforate at the base. — Herbaceous, or sometimes frutescent, more or less hispid plants. 

 Flowers rather showy, in spikes which are at length recurved. 



1. Echium vulgare, Linn. Blue-weed. Viper's Bugloss. Bine Thistle. 



Stem herbaceous, mostly simple, hispid and tuberculose ; leaves linear-lanceolate, hispid ; 

 flowers in short lateral spikes ; stamens longer than the corolla. — Linn. sp. I. p. 139 ; Engl, 

 hot. t. 181 ; Pursh, fl. 1. p. 130 ; Torr. Jl. 1. p. 205 ; Bigel. fl. Bost. p. 70 ; Beck, hot. 

 p. 253 ; Darlingt. fl. Cest. p. 119. 



Root biennial. Stem \ \ — 21 feet long, erect or assurgent, covered with stiff hairs which 

 stand on minute tubercles. Leaves 2-4 inches long, hispid ; those of the stem sessile ; the 

 radical ones on long petioles, and spreading. Spikes numerous, secund, at first recurved, 

 finally erect, forming a long compound spike or raceme. Corolla at first reddish purple, then 

 of a bright blue, sometimes pale, hairy externally. Stamens unequal. Nuts grayish, acumi- 

 nate, rough with little tubercles. 



Dry fields, road -sides, etc. ; rare : introduced from Europe. June - July. A very 

 ornamental plant when in full flower, but sometimes a troublesome weed, 



