ORDER 90. BORRAGINACfi^E. 559 



T heliotropoides Hook. Shrubby at base, with herbaceous, hairy branches, 

 erect ; Ivs. oval, pubescent, obtuse, undulate on the margin ; ped. terminal, 2 or 

 3 times diehotomous ; cor. tube included, lobes obtuse, fruit globular. The fls. 

 are numerous, small, pale lilac, and iaodorous. f Buenos Ayres. 



2. HELIOTRO^PIUM, Tournef. HELIOTROPE. (Gr. qAtof, the sun, 

 TpsTW, to turn ; the flowers were said to turn with the sun.) Calyx 5- 

 parted, corolla salver-form, lobes shorter than the tube, the sinuses pli- 

 cate and prominent in the bud ; anthers sessile ; style short, stigma 

 conical, the achenia cohering at base, at length separable. -Herbs or 

 shrubs. Fls. white or purple, in unilateral, scorpoid spikes. 



1 H. Europeeum L. Herb erect, pubescent ; Ivs. oval, obtuse at each end, petio- 

 late, wavy; spikes lateral and terminal, single or forked ; cal. lobes hirsute, obtuse, 

 equaling the cor. tube, and also as long as the fruit. (D Rocky banks, at Har- 

 per's Ferry, &c. A delicate annual 8 to 12' high. Lvs. 1 to 2' long, two-thirds 

 as wide. Fls. small, white, in spikes several inches in length. Aug. f Eur. 



2 H. curassavicum L. Herb glabrous, procumbent at base ; Ivs, linear-lanceo- 

 late, obtuse, entire, glaucous ; spikes usually forked ; sep. obtuse, much shorter than 

 tae/rwzl D Sandy shores, St. Louis to N. Orleans. A foot high. Lvs. 1 to 2' 

 by 2 to 3". Fls. very small, bluish. W. Ind. 



3 H. Peruvianum L. Shrubby, erect, pubescent, somewhat hoary ; Ivs. 

 short-petiolate, lance-ovate, rugous ; spikes numerous, aggregated, corymbous ; cor. 

 tuhetwice longer than the calyx. A pretty green-house shrub, 1 to 2f high. Lvs. 

 serrulate, twice as long as wide. Fls. very fragrant, white or tinged with purple, 

 f Peru. 



3. HELIOPH'YTUM, DC. (Gr. ?/Atof, the sun, 0vrov, a plant; from 

 its relation to Heliotropium.) Calyx 5-parted ; corolla salver-form, 

 throat constricted, 5-rayed ; anthers included; style very short; nuts 

 2, each 2 -celled (sometimes with 2 additional empty cells). Herbs with 

 habit of Heliotrope. 



H. Indicum DC. Herbs erect, branching, hairy ; Ivs. ovate, erose-serrulate, acute, 

 base abruptly contracted into a petiole, often subcordate, rugous, very veiny; 

 spike terminal, solitary, simple (rarely forked!) ; cor. much exserted, pubescent; 

 fr. miter-form, the two nuts divaricate, showing the 4 empty cells between. 

 "Waste grounds, pastures, 111., Ind. to Ga. St. furrowed, 1 to 2f high. Lvs. 2 to 

 3' long, or more. Spikes 2 to G' long. Cor. blue or purple. Carpels bifid at apex. 

 & Am. E. Ind. 



4. ECH'IUM, Tourn. VIPER'S BCGLOSS. (Gr. t%f, a viper ; from 

 the spotted stem of some species.) Calyx 5-parted, segments subulate, 

 erect; corolla campanulate, obliquely and unequally lobed, with a short 

 tube and naked orifice; stigma cleft; achenia tuberculate, base flat, 

 imperforate. Herbs or shrubs. Fls. irregular, in spicate, panicled 

 racemes. 



E. vulgare L. St. herbaceous, rough with bristles and tubercles; cauline Ivs. 

 lanceolate, and rough with bristles; spikes lateral, hairy, deflected. (I) A rough 

 plant, with large, handsome, violet-colored flowers, found in fields and waste 

 grounds, N. States. Stem 18 20' high, round, with entire, dull green leaves, 

 which are 2 6' long, and { as wide, lower ones petiolate, upper ones amplexi- 

 caul. Flowers in numerous, crowded, axillary, recurved spikes, appearing in 

 June and July, Eur. 



5. BORRA'GO, Tourn. BORRAGE. Calyx 5-parted; corolla rotate, 

 with acute segments; orifice crowned; filaments converging; achenia 

 ovoid, muricate, excavated at base, inserted lengthwise into an excavated 

 receptacle. European herbs. 



