HYM 



207 



HYP 



phutton, a leaf), the Filmy Fern 

 tribe, a Sub-order of the Ord. 

 Filices or Ferns. 



Hyinenoptera, n. plu., &im'&idp 

 t$r-a (Gr. humen, a membrane ; 

 pteron, a wing), an Order of insects 

 characterised by the possession of 

 four membranous wings, as in 

 bees, ants, etc. 



Hymenothalamese, n. plu., himf- 

 (^n-d'thdl'dm^e-e (Gr. humen, a 

 membrane ; thaldmos, a nest, a 

 receptacle), a section or Sub-order 

 of the Lichens, characterised by 

 their open shields, and the nuc- 

 leus bearing the sporangia on 

 their surface. 



hymenulum, n., him'tin'-ul-ftm (a 

 dim. from Gr. humen t a mem- 

 brane), in bot., a shield containing 

 asci. 



hyo, hi'-o, a prefix denoting con- 

 nection with the hyoid bone : 

 hyoid, a., hi'-oyd (the Greek 

 letter v, upsilon, from the shape 

 of the bone ; eidos, resemblance), . 

 the U - shaped bone situated 

 between the tongue and the 

 larynx : hyoglossus, n., hi'-d- 

 gld/'Sus (Gr. glossa, tongue), a 

 flat quadrate muscle, arising from 

 the whole length of the great 

 corner of the hyoid bone and the 

 tongue. 



Hyoscyamus, n., hi'-fa-si'-tim-fa 

 (L. hyoscyamus, Gr. huoskuamos, 

 henbane from Gr. hus, a hog ; 

 kuamos, a bean, in allusion to 

 the fruit being eaten by swine), 

 a genus of plants, Ord. Solanacese : 

 Hyoscyamus niger, nldf-er (L. 

 niger, black, dark), henbane, a 

 biennial poisonous plant, with 

 dingy yellow flowers, exhibiting 

 beautiful purple reticulations, 

 and having hairy viscous leaves ; 

 a tincture of henbane is often 

 used as a mild narcotic, 

 and its oil is an energetic 

 poison : hyoscyamia, n., hl'-8s- 

 sl-am'i-d, an alkaloid obtained 

 from hyoscyamus, to which the 

 plant owes its narcotic properties. 



hypanthodium, n., hip'-an-thod'-i' 

 um (Gr. hupo, under ; anthos, a 

 flower), a fleshy receptacle en- 

 closing the flowers, as in the fig ; 

 the receptacle of Dorstenia, bear- 

 ing many flowers. 



hypersemia, n., hip'er>em'-i'd (Gr. 

 huper, over ; haima, blood), an 

 excessive accumulation of blood 

 in a part of the body ; a local or 

 partial excess of blood. 



hyper sesthesia, n . , hip'- er-ez- the'- 

 zhi-d (Gr. huper, above, over ; 

 aisthesis, perception, sensation), 

 excessive or morbid sensibility, 

 as intolerance of light, sound, 

 etc. 



hypercatharsis, n., hlp'-er-kath- 

 drs'-is (Gr. huper, above, over ; 

 kathairo, I purge), excessive 

 purging of the bowels. 



Hypericaceae, n. plu., hip'-er-fr 

 kaf-s&e (Gr. hupereikon, the plant 

 St. John's wort from ereike, 

 heath, heather), the Tutsan or 

 St. John's wort family, an Order 

 of plants distributed very gener- 

 ally over all parts of the globe, 

 which yield a resinous coloured 

 juice, having purgative properties 

 and resembling gamboge: Hyper- 

 icum,n.,hip'er^ik-um, an extens- 

 ive genus, most of whose species 

 produce showy plants: Hypericum 

 connatum, kdn-ndt'-um (L. con- 

 ndtus, born with from ndtus, 

 born), a species from which a 

 gargle for sore throats is prepared 

 in Brazil : H. hircinum, her sin 1 '- 

 Urn (L. hirclnus, of or from a 

 goat from hircus, a he-goat), 

 a species having a fetid odour : 

 H. laxiusculum, laks'-i-usk'-ul-tim 

 (L. laxus, wide, loose ; juscul- 

 um, juice), a species, a de- 

 coction from whose leaves is 

 esteemed a specific against the 

 bite of serpents in Brazil : H. 

 perforatum, perf-6r>at'-um (L. 

 perfordtus, bored or pierced 

 through), St. John's wort, much 

 esteemed by the ancients as an 

 anodyne. 



