Hypercliromatie 



Hypnothallus 



susceptible of taking colour, or in- 

 tensified colouration ; Hyperd'romy 

 {Spofios, a course), when anadromous 

 and catadromous venation o curs on 

 one side of a Fem-frond (Prantl) ; 

 hyperhy'dric, Klister's expression 

 for an outlet or overflow for water in 

 tissues; hypermetatrop'ic, defined 

 as when " the ovary of one plant 

 receives pollen from another of a 

 flower of the same or a second plant, 

 while the ovary of the lattei' flower 

 receives pollen from another asso- 

 ciated with the first ovary " (K. 

 Pearson) ; Hypermetat'ropy, the 

 condition in question; Hy'perplasy 

 {v\(iacra}, I shape), an abnormal 

 groAvth of tissue due to undue cell- 

 division (Kuster); adj. hyperplast'ic ; 

 hyperstomat'ic, hyperstom'atous (-+- 

 Stoma), having the stomata on the 

 upper surface of the leaf; hyper- 

 troph'ic {rpoiph, food;, morbidly 

 enlarged ; Hyper'trophy, an abnormal 

 enlargement of an organ, presumably 

 by excess of nourishment ; Hyper'tro- 

 phytes {(pvrhi-, a plant), a term em- 

 ployed by Wakker for those parasitic 

 Fungi which cause hypertrophy in 

 the tissues. 



Hy'pha {ixph, a web), pi. Hy'phae, 

 element of the thallus in Fungi, a 

 cylindric thread-like brancheil body 

 developing by apical growth and 

 usually septate ; Sieve '~ , or Trum'pet 

 — , a special form found in Algae, 

 bulging at each septum (F. W. 

 Oliver) ; hy'phal, relating to hyphae ; 

 ~ Bod'ies, short thick hyphae in 

 certain Fungi, which produce fruc- 

 tifying hyphae or conidiophores 

 (Thaxter) ; ~ Tis'suo, interwoven 

 hyphae, constituting the tissues of 

 the larger Fungi. 



Hyphalmy'ro - plank'ton {ixpaKiivpos, 

 somewhat salt, -f Plankton), the 

 floating organisms of brackish water 

 (Zinmiermann). 



Hyphas'ma {v<pac/xa, a web), the 

 thallus of Agarics. 



Hyphe'ma {v<p7], a web), used by Winks 

 for the hyphal layer in Lichens; 

 Hyphench'yma(^7Xi'iUO) an infusion), 



tissue of felted hyphae ; HypMdlum, 

 a term proposed by Minks for 

 Spermatium ; hyphod'romous, -mas 

 {SpSfios, a course), used when the 

 veins are sunk in the substance of 

 a leaf, and thus not readily visible ; 

 Hyphomyce'tes are Fungi imperfccti; 

 hyphomyce'tous {fxvKr^s, a mush- 

 room), applied to Fun^i bearing 

 their spores on simple or branched 

 hyphae ; Hy'phopode, Eyphopod'ium 

 (irouj, irodhs, a foot), appendages on 

 the mycelium of Meliola which bear 

 the perithecia (Gaillard) ; Hypho- 

 stro'ma + {arpw/xa, spread out), the 

 mycelium of Fungi ; Hyphothairinm 

 {daXKhs, a sprout) = Hypothallus. 



Hyphydrogam'icae {v-rrh, under; vSwp, 

 water; yd/xos, marriage), plants 

 whose flowers are fertilized under 

 Water, as Naias (Knuth) ; Hyphy- 

 drog'amy, the condition specified. 



Hypne'tum, a plant-association com- 

 posed of Mosses, especially of 

 Hy/inum, and its allies. 



Hyp'nocyst (yVvos, sleep • kixttis, a bag 

 or pouch), in Pediastreae, etc., a dor- 

 mant stage assumed when the con- 

 ditions for growth are unfavourable ; 

 Hyp'noplasm (irA.a(r/xo, moulded), 

 the protoplasm of a dormant in- 

 dividual, as of a seed, cf. Necro- 

 PLASM ; Hyp'noplasy {ir\d(T(ra), I 

 shape), arrested development due 

 to various inhibiting reactions, which 

 prevent the cells or tissues attaining 

 normal size (Kuster); Hypno'sis, 

 the state of dormant vitality shown 

 by seeds whilst still retaining their 

 power of germination (Escombe); 

 Hyp'nosperm (avfpfxa, a seed), the 

 winter state of the zygosperm of 

 Jhjdrodictyoi\ , Hyp'nosporange, Hjrp- 

 nosporan'gium ( -l- Sporange), a 

 product of the modification of the 

 root of Botrydium, a sporangium 

 which produces zoospores after a 

 resting period (Rostafinski) ; Hyp'- 

 nospore, a resting spore ; Hyp'iiote, 

 an organism in a dormant state ; 

 hypnot'ic, dormant, not dead, as 

 in seeds ; Hypnothallas {QaWhs, a 

 young branch), Chodat's term for 



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