(Fig. 3018.) 



Vol. III.] BORAGE FAMILY. 53 



5. Heliotropium Indicum L,. Indian Heliotrope. 



Heliotropium Indicum L,. Sp. PI. 134. 1753- 



Annual, more or less hirsute or hispid; stem 

 commonly branched, i-3 high. Leaves ovate 

 or oval, obtuse or acute at the apex, obtuse 

 rounded or subcordate at the base, 2 r -6 / long, 

 i / -3^ / wide, repand or undulate, borne on mar- 

 gined petioles ft'-ity long; flowers blue, 2 // -3 // 

 broad, sessile in terminal dense bractless usually 

 solitary scorpioid spikes which become 3'-6' long 

 in fruit; calyx-segments lanceolate, acute, shorter 

 than the strigose corolla-tube; style very short, 

 deciduous; fruit deeply 2-lobed, glabrous, the lobes 

 divergent, each finally splitting into 2 nutlets, 

 each of which is ribbed on the back. 



In waste places, North Carolina to Illinois, south to 

 Florida and Texas. Naturalized from India. Also in 

 ballast about the northern seaports. Widely distrib- 

 uted in warm regions as a weed. May-Nov. 



2. CYNOGLOSSUM h. Sp. PI. 134- J753- 

 Hirsute or hispid (rarely glabrous) mostly tall herbs, with alternate entire leaves, the 

 basal long-petioled, and purple blue or white flowers in panicled, more or less scorpioid 

 racemes. Calyx 5-cleft or 5-parted, enlarged and spreading or reflexed in fruit. Corolla 

 funnelform or salverform, the tube short, the throat closed by 5 scales opposite the imbri- 

 cated rounded lobes. Stamens included; filaments short; anthers ovate or oblong. Ovary 

 deeply globed, separating into 4 diverging nutlets in fruit; style mostly slender. Nutlets 

 oblique, flat or convex above, attached laterally to the convex or conic receptacle, covered 

 with short barbed prickles. [Greek, dog's tongue.] 



About 75 species of wide geographic distribution. Besides the following, some 3 others occur 

 in western North America. 



Stem leafy to the top; flowers reddish, purple or white; nutlets flat. 1. C. officinale. 



Stem leafless above; flowers blue; nutlets convex. 2. C. Virginicum. 



i. Cynoglossum officinale L,. Hound' s-tongue. Gipsy Flower. (Fig. 3019.) 



Cynoglossum officinale L. Sp. PI. 134. 1753- 

 Biennial, pubescent; stem erect, leafy 

 to the top, stout, usually branched, ij4- 

 3 high. Basal and lower leaves oblong 

 or oblong-lanceolate, slender-petioled, 

 sometimes obtuse, 6 / -i2 / long, 1 '-3' wide; 

 upper leaves lanceolate, acute or acumi- 

 nate, sessile, or the uppermost clasping; 

 racemes several or numerous, bractless or 

 sparingly bracted, simple or branched, 

 much elongated in fruit; pedicels 3 // -6 // 

 long; calyx-segments ovatedanceolate, 

 acute; corolla reddish-purple or rarely 

 white, about 4" broad; fruit pyramidal, 

 about 5" broad, each of the 4 nutlets form- 

 ing a side of the pyramid, flat on their 

 upper faces, margined, splitting away at 

 maturity, but hanging attached to por- 

 tions of the subulate style. 



In fields and waste places, Quebec and On- 

 tario to Minnesota, south to North Carolina 

 and Kansas. Often a troublesome weed. 

 Naturalized from Europe. Native also of 

 Asia. Called also Dog's-tongue, Rose Noble. 

 May-Sept. 



