Hydrolist 



Hypanthodium 



of tannin, oxalates, colouring 

 matter, or aleurone ; Hy'drolist, 

 cf. CYTOHYDROLIST, PROTEOHY- 

 DROLIST ; Hy'drome, the hydral or 

 water-system of a vascular bundle, 

 cf. HADROME ; Hydroph'ilae (<pi\ew, 

 I love), water-pollinated plants ; 

 hydroph'ilous, some aquatic Phan- 

 erogams, and many Cryptogams 

 which need water in order to be 

 fertilized ; -" Fun'gi, refers to those 

 Fungi which are allied to Sapro- 

 leynia ; Hy'drophytes, Hydrophy'ta 

 (<t>vrov, a plant), water-plants, 

 partially or wholly immersed ; 

 Hydrophytol'ogy (\6yos, discourse), 

 a treatise on water-plants ; Hy'dro- 

 plast (7rXa<rTos, moulded), an ap- 

 parent vacuole in which aleurone- 

 grains arise ; Hydrople'on (ir\tov, 

 full, an aggregate of molecules, 

 but smaller than a micella), water 

 of crystallization ; Hydrot'rophy 

 (T/300?), food), unequal growth 

 caused by unequal supply of 

 moisture on one side of a part 

 (Wiesner) ; Hydrot'ropism (rpoir^, a 

 turning), the phenomena induced by 

 the influence of moisture on growing 

 organs; positive ~ , turning towards 

 the source of moisture ; neg'ative ~ , 

 turning away from moisture. 



hy'emal, hyema'lis(kie,ms, winter) = 

 HIEMALIS, pertaining to winter. 



hygrochas'tic (vypos, moist, x ao "Mw> 

 I yawn), applied by Ascherson to 

 those plants in which the bursting 

 of the fruit and dispersion of the 

 spores or seeds is caused by ab- 

 sorption of water, as in Anastatica 

 hierochuntica, Linn. ; Hygroch'asy, 

 the act in question ; Hy'drochrome 

 (xpu/ma, colour), used by Nadson 

 for the pigments of Bussula and 

 Amanita Muse aria, Fr. ; hygro- 

 met'ric (^rpov, a measure), moving 

 under the influence of more or less 

 moisture, hygroscopic ; hygro- 

 ph'anous (<j>aivu, I appear), looking 

 watery when moist, and opaque 

 when dry (Cooke) ; Hy'grophytes 

 (<f>vTov, a plant), marsh-plants, or 

 plants which need a large supply 



of moisture for their growth ; 

 Hy'groplasm (TrXdoyui, moulded), 

 Nageli's term for the fluid 

 portion of protoplasm, cf. STEREO- 

 PLASM ; hygroscopic (tncoTrew, I 

 see), susceptible of extending or 

 shrinking on the application or 

 removal of water or vapour ; <~ 

 Cells, certain cells in the leaves 

 of grasses which cause them to 

 alter in shape in dry weather, 

 known also as bulliform cells ; 

 Hygroscopic'ity, Hygroscopic 'itas, 

 the hygroscopic property. 



Hy'lophyte (OX?7, a wood, fivrov, a 

 plant), a plant which grows in 

 woods, usually moist ; adj. hylo- 

 phyt'ic. 



Hy'lus, Hy'lum = HILUM. 



Hy'men (vp.lv, a membrane), a skin 

 or membrane ; hyme'nial ( 1 ) per- 

 taining to the HYMENIUM ; (2) 

 relating to the reproductive organs 

 in certain Cryptogams ; ~ Al'ga, 

 the algal cell in a sporocarp in 

 Lichens, also termed ~ Gonid'ium ; 

 ~ Lay 'er = HYMENIUM ; Hyme'nium, 

 an aggregation of spore mother- 

 cells in a continuous layer on a 

 sporophore, the sporiferous part 

 of the fructification in Fungi ; 

 hymeno'des (eldos, like), having a 

 membranous texture ; Hymeno- 

 li'chen ( + Lichen), a term devised 

 by Mattirolo for a Lichen which is 

 symbiotically associated with a 

 hymenomycetous Fungus ; nymeno- 

 myce'tous (/J.<JKT)S, a mushroom), 

 having the hymenium exposed at 

 maturity, the spores borne on 

 basidia ; Hy'menophore, Hymeno- 

 phor'ium ((popeu, I carry), in Fungi 

 that part which bears the hymen- 

 ium, the sporophore ; Hy'meno- 

 pode, Hymenopod'mm (TTOVS, TroSds, 

 a foot), Fayod's name for the hypo- 

 thecium ; Hyme'nulum, a disk or 

 shield containing asci, but without 

 an excipulum. 



Hyoscy'amin, an alkaloid contained in 

 Henbane, Hyoscyamus niger, Linn. 



Hypan'thium, Hypantho'dium (I^TTO, 

 under, avdos, a flower), an enlarge- 



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