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black), the Christmas rose; H. 

 fcetidus, fet'-id-us (L. fcettdus, 

 stinking, fetid); H. viridis, vir- 

 id-is (L. viridis, green), are 

 species which act as drastic purg- 

 atives ; powerful cardiac sedat- 

 ives; some of them were used 

 in ancient times in cases of 

 mania : Hellebore, n., hel'-le-bor, 

 the common name of several of 

 the species; the Christmas rose or 

 flower; still employed in medicine. 



helminthoid, a., Ml'-minth-oyd 

 (Gr. helmins, an intestinal worm ; 

 eidos, resemblance), worm-shaped; 

 vermiform. 



hemelytra, n. plu., Mm-el'-it-rd 

 (Gr. hemi, half ; elutron, a 

 sheath), among certain insects, 

 wings which have the apex mem- 

 branous, while the inner portion 

 is chitinous, and resembles the 

 elytron of a beetle. 



hemeralopia, n., Mm^r-a-ldp'-i-a 

 (Gr. hemera, day ; the latter part 

 of doubtful formation, usually 

 referred to Gr. ops, the eye, or 

 opsomai, I see ; the 1 may be 

 introduced for the sake of eu- 

 phony), day vision only ; night 

 blindness ; intermittent amaur- 

 osis, in which the person is able 

 to see only in daylight : hemer- 

 alops, n., hem^T'd'lops, one 

 afflicted with night blindness. 



Hemerocallide89, n. plu., hem'Zr- 

 d'kal'lid'&'e (Gr. hemera, a day ; 

 kallos, beauty), a Sub-order of 

 the Ord. Liliacese, the Day lily 

 tribe : Hemerocallis, n., h$m'$r- 

 d'kal'-lis, an ornamental genus of 

 flowering plants, whose beautiful 

 flowers last a day ; the day 

 lily. 



heinicarp, n., h&m'i-karp (Gr. 

 hemi, half ; karpos, fruit), in 

 bot. , one portion of a fruit which 

 spontaneously divides into 

 halves. 



hemicrania, n., hVm't'krdn'i-a 

 (Gr. hemi, half ; kranion, the 

 skull), pain confined to one 

 side of the head ; brow ague. 

 N 



hemicyclic, a., hZm'i-sik'lik (Gr. 

 hemi, half; Eng. cycle), in bot., 

 applied to the transition from 

 one floral whorl to another when 

 it coincides with a definite num- 

 ber of turns of the spiral. 



Hemidesnms, n., hem'i-d$z'mus 

 (Gr. hemisus, a half ; desmos, a 

 bond, a tie, in allusion to its 

 filaments), a genus of pretty 

 climbing plants, Ord. Asclepiad- 

 acese : Hemidesmus Indicus, in'- 

 dik-us (L. Indicus, of or belong- 

 ing to India), a species whose 

 fragrant roots are used in Madras 

 as a substitute for sarsaparilla, 

 under the name ' Country 

 Sarza. ' 



hemimetabolic, a., Itim'-i-mU-a- 

 bol'-ik (Gr. hemi, half; metabole, 

 change), applied to insects which 

 undergo an incomplete meta- 

 morphosis. 



hemiplegia, n., he'm'i-pledf-i'a 

 (Gr. hemi, half; plege, a blow, a 

 stroke), a paralysis of one lateral 

 half of the body. 



Hemiptera, n. plu., hZm-ip'tZr-ti, 

 (Gr. hemi, half ; pteron, a wing), 

 an Order of insects which have 

 sometimes the anterior wings 

 hemelytra : hemipteral, a. , hem- 

 ip'-ter-al, also hemipterous, a., 

 hem-ip'tttr'tis, having the upper 

 wings partly coriaceous and 

 partly membranous. 



hemisphere, n., h&m'-i-sfer (Gr. 

 hemi, half ; sphaira, a globe), in 

 anat., applied to each lateral 

 half of the brain. 



hemlock, n., hem'ldk (AS. hem- 

 leac), an indigenous plant which 

 possesses sedative properties, and 

 is employed both internally and 

 externally; the Conium macul- 

 atum, Ord. TJmbelliferse. 



hemp, n., hemp (Dut. hennip, 

 Ger. hanf, Icel. hanpr, hemp), a 

 plant which yields the valuable 

 fibres or threads of the same 

 name ; the Cannabis sativa, Ord. 

 Cannabinacese, a species of hemp 

 used in India under various 



