362 BORRAGINACEiE. (bORAGE FAMILY.) 



§ 2. EUPLOCA. Frnd didpnous, the 2 carpels each spUttmg into two l-seeded 

 nutlets ; style elongated ; flowers scattered, large. 



3. H. COnvolvulaeeum, Gray. Low animal, strigose-liirsute and 

 hoarv, much branched; leaves lanceolate, or ovate or even linear, short- 

 petioled ; floAvers opposite the leaves and terminal ; corolla 6" broad, tlie 

 strigose-hirsute tube about twice as long as the linear sepals. — Sandy plains, 

 Neb. to W. Tex. A showy plant, with sweet-scented flowers. 

 § 3. TIARIDIUM. Fruit 2-lobed, separating into two 2-celled 2-seeded carpels, 

 ivith sometimes a pair of empty false cells : style very short ; flowers in 

 bractless scorpioid spikes. 



TT . Indiccm, L, Erect and hairy annual ; leaves petioled, ovate or oval 

 and somewhat heart-shaped ; spikes single ; fruit 2-cleft, mitre-shaped, with 

 an empty false cell before each seed-bearing cell. (Heliophytum Indicura, 

 DC.) — ^Yaste places, along the great rivers, from S. lud. to Mo., and south- 

 ward. (Adv. from India.) 



2. CYNOGLOSSUM, Tourn. IIound's-Toxgue. 



Corolla funnel-form, the tube about equalling the 5-parted calyx, and throat 

 closed with 5 obtuse scales ; lobes rounded. Stamens included. Nutlets de- 

 pressed or convex, obli(iue, fixed near the apex to the base of the style, rough- 

 ened all over with short barbed or hooked prickles. — Coarse herbs, with a 

 strong scent and petioled lower leaves ; the mostly panicled (so-called) racemes 

 naked above, usually bracted at base. Fl. all summer. (Name from kvojv, a 

 dog, and y?\a)(ra-a, tongue; from the shape and texture of the leaves.) 



C. OFFICINA.LE, L. (Common IIouxd's-Toxgue.) Jjicunml; clothed wilh 

 short soft hairs, leafy, panicled above ; upper leaves lanceolate, closely sessile 

 by a rounded or slightly heart-shaped base; racemes nearly bractless; corolla 

 reddish-purple (rarely white) ; nutlets flat on the broad upper face, somewhat 

 margined. — Waste ground and pastures; a familiar and troublesome weed; 

 the large nutlets adhering to the fleece of sheep, etc. (Nat. from Eu.) 



1. C. Virginicum, L. (Wild Comfret.) Perennial; roughish ivith 

 spreading bristly hairs; stem sim\i\e, few-leaved (2-3° liigh); stem-leaves 

 lanceolate-oblong, clasping by a deep heart-shaped base ; racemes few and 

 corymbed, raised on long naked peduncles, bractless ; corolla pale blue ; nutlets 

 strongly convex. — Open woods, Out. and Sask. to Fla. and La. 



3. ECHINOSPERMUM, Lehm. Stickseed. 



Corolla salver-form, short, imbricated in the bud, the throat closed with 5 

 short scales. Stamens included. Nutlets erect, fixed laterally to the base of 

 the style or central column, triangular or compressed, the back armed all over 

 or with 1 -3 marginal rows of prickles which are barbed at the apex, otherwise 

 naked. — Rough-hairy and grayish herbs, with small blue to whitish flowers 

 in racemes or spikes ; ours annuals or biennials, flowering all summer. (Name 

 compounded of ex^vos, a hedgehog, and (nrepfia, seed.) 



* Racemes panicled, leafy-bracteate at base ; slender pedicels recurved or de- 

 flexed in fruit; calyx-lobes short, at length reflexed ; biennial, not hispid. 

 1. E. Virginicum, Lehm. (Beggak's Lice.) Stem 2 - 4° high ; radi- 

 cal leaves round-ovate or cordate, slender-petioled ; cauline (3 - 8' long) ovate- 



