Oedbb 90.— BOER agin ACE^. 559 



T heliotropoldes Hook. Shrubby at base, with herbaceous, Jiairy branches, 

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

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

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



2. HELIOTRO^PIUM, Tournef. Heliotrope. (Gr. ijXiog, the sun, 

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

 partud, 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. Europabum 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 — (J) Rocky banks, at Har- 

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

 as wide. Pis. small, white, in spikes several inches in length. Aug. f § Kur. 



2 H. oilrasBdvioum L. Herb glabrous, procumbent at base ; lvs. lineair-lamceo- 

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

 the fruit. — ^3) Sandy shores, St. Louis to N. Orleans. A foot high. Lvs. 1 to 2' 

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



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

 short-petiolate, lance-ovate, rugous ; _spikes numerous, aggregated, cort/Tribous ; cor. 

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

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

 f Peru. 



3. HELIOPH'YTUM, DC. (Gr. TjXiog, the sun, (pvTov, a plant; from 

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

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

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

 habit of Heliotrope. 



H. Indioum DC. Herbs erect, branching, hairy ; lvs. ovate, erose-seiTulate, acute, 

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

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

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

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

 3' long, or more. Spikes 2 to 6' long. Cor. blue or purple. Carpels bifid at apex. 

 § a Am. E. Ind. 



4. ECH'IUffl, Tourn. Viper's Bdgloss. (Gr. e%tf , a viper ; from 

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

 erect ; corolla campanulatc, 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 lvs. 

 lanceolate, and rough with bristles ; spikes lateral, hairy, deflected. — (p 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 i as wide, lower ones petiolate, upper ones amplexi- 

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

 Juno and July, § Eur. 



5. BORRA^GO, Toum. Borraqe. Calyx 5-parted; corolla rotate, 

 with aciute segments ; orifice crowned ; filaments converging ; achenia 

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

 receptacle. — European herbs. 



