BORAGINE.E. XXXV. HELIOTROPIUM. 



361 



erect, strict ; leaves lanceolate, beset with incumbent hairs, 

 with undulated, revolute margins ; spikes conjugate and com- 

 pound, lateral and terminal. T? . G. Native of the kingdom of 

 Morocco. Stem hispid. Branches beset with incumbent pili, 

 as well as the leaves, rather hispid. Spikes at first horizontal. 

 Calyx grey, hispid, with ciliated segments. Corolla large ; 

 tube nearlv twice as long as the calyx, beset with white hairs 

 above ; lin.b undulately curled. Carpels wrinkled, glabrous. 

 Nearly allied to H. undulatum. 



Morocco Turnsole, or Heliotrope. Fl. June, July. Clt. 1823. 

 Shrub 1 to 2 feet. 



44 H. AMBAIXE'NSE (Fres. fl. egypt. et arab. p. 168.) plant 

 clothed with glandular hairs ; stem shrubby at the base, branch- 

 ed, clothed with canescent villi ; leaves petiolate, ovate-lanceo- 

 late, pilose, with undulated margins ; spikes almost solitary, 

 bractless, spiral while young ; tube of corolla twice as long as 

 the calyx. (7 . G. Native of Arabia, at Thai Ambain. 



Ambain Heliotrope, or Turnsole. Shrub. 



SECT. II. ORTHOSTACHYS (from ooS-oc, orthos, straight; and 

 oraxue, stachys, a spike ; the spikes of flowers are straight at 

 first, not circinnate or revolute as in the preceding section.) R. 

 Br. prod. p. 4:93. Spikes generally solitary, bracteate or leafy, 

 not spiral or circinnate in the young state. Bracteas opposite 

 the flowers, or nearly so. 



45 H. BREVIFOLIUM (Wall. fl. ind. 2. p. 2.) plant sufiruticose, 

 covered with adpressed greyish hairs ; stems prostrate, densely 

 tufted; leaves approximate, sessile, narrow-linear, somewhat 

 falcate, with recurved margins, canescent ; racemes solitary, 

 terminal, slender, straight : with short, ovate bracteas, opposite 

 to, and equalling the pedicels, linear ; calyx and nuts strigose. 



$ ?. F. Native of Nipaul, in the vicinity of Katmandu and 

 Gosainsthan. H. compactum, D. Don, prod. fl. nep. p. 101. 

 Plant greyish. Racemes at first slightly recurved. Corolla 

 white, twice as long as the calyx, with a yellow tube ; limb 

 plicate ; segments slightly crenulated. 



Short-leaved Turnsole, or Heliotrope. Fl. June, July. Clt. 

 IS, '4. PI. prostrate. 



46 H. SALICO'IDES (Cham, in Linntea, 4. p. 117.) plant shrub- 

 by, canescent from silky strigae ; branches terete, slender ; 

 leaves scattered, nearly sessile, oblong, ovate-lanceolate, acute, 

 keeled from the nerve, with leflexed margins; spikes simple, 

 terminal, revolute, sometimes lateral, and opposite the leaves, 

 bracteolate, dense flowered ; flowers sessile ; calycine segments 

 ovate, acute, nearly equal ; tube of corolla equal in height to 

 the calyx ; limb strigose outside ; carpels strigose, shorter than 

 die calyx ; anthers connivent and cohering at top. fj . S. 

 Native of Brazil. A small trailing or creeping shrub, with the 

 habit of Salix incubacea, and S. repens. Said to be nearly 

 allied to H. Otlonis and H. fruticosum. 



iiloir-like Heliotrope. Shrub creeping. 



47 H. OTIONIS (Lclim. asper. p. 59.) stem shrubby ; leaves 

 linear-lanceolate, erect, with revolute edges, canescent from 

 somewhat silky, incumbent hairs, or strigse ; spikes solitary, 

 terminal, elongated, bracteate. *j . S. Native of Caraccas. 

 H. strictum, H. B. et Kunth, nov. gen. amer. 3. p. 87. Tour- 

 nefcrtia nionostachya, Willd. rel. ex Roem. etSchuhes, syst. 4. p. 

 540. Steu. branched at top. Carpels rather hispid. Branches 

 linear, acuminated, hispid. Calyxes unequal. 



Otlo's Heliotrope. Shrub Ij foot. 



48 H. FRUTICOSUM (Lin. spec. p. 187. amcen. 4. p. 394.) stem 

 shrubby ; leaves linear-lanceolate, pilose, recurved at apex ; 

 spikes lateral, nearly sessile, solitary, bracteolate. I? . S. Na- 

 tive of South America. Lam. ill. no. 1766. Lehm. asper. p. 



VOL. IV. 



60. Tournefortia humilis, Swartz. obs. hot. p. 55, exclusive of 

 the syn. of Lin. Willd. spec. 1. p. 793. H. demissum, Roem. 

 et Schultes, syst. 4. p. 27. Plum. pi. amer. t. 227. f. 2. 

 Sloane, hist. t. 1 32. f. 4. Stem much branched ; branches 

 scabrous. Leaves with revolute edges, green above, and hoary 

 beneath, from the hairs being more copious. Bracteas linear. 

 Flowers on short pedicels. Peduncles and calyxes pilose. Co- 

 rolla white. Stigma capitate. Carpels rather hispid. 

 Shrubby Heliotrope. Shrub 2 feet. 



49 H. TERXA'TUM (Vahl. symb. 3. p. 21.) stem shrubby; 

 leaves lanceolate, 3 in a whorl, those on the younger branches 

 alternate, hoary beneath ; spikes terminal, pedunculate, conju- 

 gate ; bracteas linear. >j . S. Native of the West Indies. 

 Willd spec. 1. p. 745. Lehm. asper. p. 61. Branches canes- 

 cent from soft hairs. Leaves beset with white callous dots 

 above. Lateral spikes, if any, usually simple. Flowers on 

 short pedicels. Calyx pilose. Corolla white, large ; tube 

 longer than the calyx, pilose above ; limb plicate. 



Termite-leaved Heliotrope. Shrub. 



50 H. HIRTUM (Willd. herb. no. 3247. Lehm. in act nat. 

 scrut. hal. 3. p. 10. asper. p. 62.) stem shrubby, hairy; leaves 

 linear-lanceolate, hairy, hoary beneath, rather soft ; spikes 

 lateral and terminal, solitary, bracteolate. fj . S. Native of 

 Cumana, and New Andalusia, and Brazil, in sandy places. H. 

 hispidum, H. B. et Kunth, nov. gen. amer. 3. p. 87. Branches 

 canescent, pilose. Leaves with revolute edges. Spikes com- 

 pact. Bracteas minute. Calyx hairy ; tube of corolla longer 

 than the calyx, villous under the limb. Carpels rather hispid. 



Hairy Heliotrope. Shrub. 



51 H. POLYPHY'LLCM (Lehm. 1. c. p. 9. asper. p. 63.) stem 

 shrubby, erect, or prostrate ; leaves linear-lanceolate, strigosely 

 pilose ; spikes terminal, solitary, leafy, recurved at top. ^ S. 

 Native about the Orinoco, and of Brazil. Cham, in Linnsea, 4. 

 p. 402. H. foliosuro, Willd. herb. no. 3252. Branches slri- 

 gose, when young canescent. Leaves very numerous, on short 

 petioles. Flowers nearly sessile, opposite the leaves or inter- 

 foliaceous. Calyx strigose, unequal. Tube of corolla length 

 of calyx, rather pilose ; segments acute, lanceolate. Carpels 

 rather hispid. 



Many-leated Heliotrope. Shrub. 



52 H. FOLIA'TUM (R. Br. prod. p. 493.) plant annual, strigose 

 from decumbent hairs ; branches ascending ; leaves lanceolate, 

 flat ; spikes few-flowered ; bracteas lanceolate, on short peti- 

 oles, twice as long as the calyx. H. Native of New 

 Holland, within the tropic. 



Ze/y-spiked Heliotrope. PI. ascending. 



53 H, AFRICA'SUM (Schum. pi. guin. p. 87.) leaves ovate, 

 acuminated at both ends, glabrous ; spikes solitary ; corollas 3 

 times longer than the calyx, with a narrow neck. O- H. 

 Native of Guinea. Stem procumbent, branched, pilose. Co- 

 rollas pale blue. 



African Heliotrope. PI. erect. 



54 H. STRIGOSUM (Willd. spec. 1. p. 743. Pers. ench. 1. p. 

 743. Schum. pi. guin. 86.) stem shrubby, ascending ; leaves 

 linear-lanceolate, strigosely papillose ; spikes leafy : lateral ones 

 solitary: terminal ones conjugate. \j . S. Native of Guinea. 

 Lehm. asper. p. 64. Root fusiform. Stem covered with ad- 

 pressed white hairs, branched. Leaves on short petioles, beset 

 with white adpressed hairs on both surfaces, which rise from 

 papillae. Bracteas sessile, lanceolate, length of flowers, which 

 are distant. Corolla white, with a tooth between each of the 

 segments. Carpels strigose. 



Strigose Heliotrope. Shrub 5 to 1 foot. 



55 H. MYOSOTOIDES (Lehm. in act. nat. scrut. hal. 3. p. 18. 

 asper. p. 65.) stem frutescent, erect, purplish ; leaves linear, 



3 A 



