HEL 



192 



HEL 



free-flowering plants, including 

 some of the prettiest little shrubs 

 in cultivation for rock-work, Ord. 

 Cistacese. 



Helianthus, n., hSM'toUh'-ti* (Gr. 

 helios, the sun; anthos, a flower 

 so called from the brilliant colour 

 of the flowers, or from the erron- 

 eous belief that the flowers al- 

 ways turned towards the sun), a 

 highly ornamental and extensive 

 genus of plants, producing large 

 heads of beautiful flowers, Ord. 

 Composite, Sub-ord. Corymbif- 

 erse : Helianthus annuus, an'- 

 nu-us (L. annuus, that lasts a 

 year from annus, a year), the 

 common sunflower, whose seeds 

 contain a bland oil, and when 

 roasted have been used as a sub- 

 stitute for coffee : H. tuberosus, 

 tub'-ftr-dz'-us (L. tuberosus, full of 

 humps or swellings from tuber, 

 a hump), the Jerusalem or Giras- 

 ole artichoke, whose roots are 

 used as substitutes for pot- 

 atoes. 



helicine, a., heV-ls-tn (Gr. h$lix, 

 anything twisted, a fold, helikos, 

 of a twisted thing), in anat., 

 applied to certain arteries con- 

 nected with the penis which 

 assume a convoluted or tendril- 

 like appearance ; winding ; spiral. 



helicis major, liel'4s-%s mddf-or 

 (L. helix, a fold, ivy, helicis, of a 

 twisted thing ; major, greater), 

 the greater (muscle) of the helix ; 

 applied to a narrow, vertical 

 band of muscular fibres on the 

 anterior margin of the helix : 

 li. minor, min'or (L. minor, less 

 or lesser), the lesser (muscle) of 

 the helix ; applied to an oblique 

 fasciculus attached to the part 

 of the helix commencing from 

 the bottom of the concha; see 

 'helix/ 



helicoid, a., hel'ik-dyd, also 

 helicoidal, a., hel'.tk-oyd'.al (Gr. 

 helix, a twisted thing ; eidos, 

 resemblance), twisted like a 

 snail shell, applied to inflores- i 



cence : helicoid cyme, a cyme in 

 which the flowers are arranged in 

 a continuous spiral round a false 

 axis. 



helicotrema, n, , IMl'-flc -a- trem'-d 

 (Gr. helix, anything twisted ; 

 trema, an opening, a hole), in 

 anat., a small opening placed 

 at the apex of the cochlea of the 

 ear. 



Helicterese, n. plu., h$l'<tJc-ter'.$-e 

 (Gr. h$lix, a spiral, a screw), a 

 Tribe or Sub-order of the Ord. 

 Sterculiacese : Helecteres, n. 

 plu., hZl'&k-ter'ez, the screw 

 trees, a genus of free-flowering 

 shrubs, so named in reference to 

 the carpels being twisted. 



Heliotropiese, n. plu., hel'-f<d<trdp- 

 i'$-e (Gr. helios, the sun ; trope, 

 a turning), a Sub-order of the 

 Ord. Boraginacese, so 1 called from 

 their flowers being said to turn 

 towards the sun : Heliotrope, n., 

 hel'i-O'trop, also Heliotropium, 

 n., hel'-i-d-trop'-i-um, a genus of 

 plants, some of whose species are 

 highly valued from the fragrance 

 of their flowers : heliotropism, 

 n., hel-i'6t'<rop'izm r that property 

 "by which certain plants con- 

 stantly tuin their leaves and 

 flowers towards the sun ; the 

 bending of a plant either from or 

 towards light. 



helix, n., hel'tks, helices, n. plu., 

 '- 



(Gr. helix, the twisted 

 thing), something that is spiral ; 

 in anat., the curved rim of the 

 external body of the ear; the 

 snail shell. 

 Hellebores, n. plu., 

 (Gr. hellebtiros, L. helttWrus, 

 hellebore from Gr. helein, to 

 kill or overcome ; bora, food), a 

 Sub-order of the Ord. Kanuncul- 

 acese, so called in reference to the 

 poisonous qualities of the plants: 

 Helleborus, n., liel-Ub'-dr-us, a 

 genus of plants having poisonous 

 qualities : Helleborus officinalis, 

 8f : fis'w>dl'is (L. officinalis, offic- 

 inal); H. niger, nldj f -er(L. mger, 



