362 BORRAGINACE.fi. (BORAGE FAMILY.) 



2. EtFPLOCA. Fruit didymous, the 2 carpels each splitting into two l-seeded 

 nutlets ; style elongated ; flowers scattered , large. 



3. H. COnvolvulceum, Gray. Low annual, strigose-hirsute and 

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

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

 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. TIARf DIUM. Fruit Z-lobed, separating into two ^-celled 2-seeded carpels, 



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



bractless scorpioid spikes. 



H. INDICUM, 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 Indicum, 

 DC.) Waste places, along the great rivers, from S. Ind. to Mo., and south- 

 ward. (Adv. from India.) 



2. CYNOGLOSSUM, Tourn. HOUND'S-TONGUE. 



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, oblique, 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 KVWV, a 

 dog, and y\&ffffa, tongue; from the shape and texture of the leaves.) 



C. OFFICIN\LE, L. (COMMON HOUND'S-TONGUE.) Biennial ; clothed ivith 

 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 COMFREY.) Perennial; roughish with 

 spreading bristly hairs; stem simple, few-leaved (2-3 high); 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, Ont. and Sask. to Fla. and La. 



3. ECHINOSPEKMUM, 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 tx* vos > a hedgehog, and oWpjua, 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. (BEGGAR'S LICE.) Stem 2 - 4 high ; radi- 

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



