Hortus 



Hybrid 



with dried specimens glued down ; 

 '^ vi'vufl, also means Herbarium. 



Hose-in-hose, a duplication of the 

 corolla, as though a second one 

 were inserted in the throat of the 

 first. 



hospita'ting (hospes, a guest), of plants 

 which shelter ants, as Hyd^wphyluin ; 

 Hospita'tors, the plants in question 

 (Beccari). 



Host, a plant which nourishes a para- 

 site ; Host-plant, the same ; Host- 

 cells, the cells in niycorhiza of 

 NeoUia, associated with the diges- 

 tive cells (Magnus). 



Hosto'^rium [hosliOf I requite, ex 

 J. S. Henslow) = Haustorium. 



Hov'er-fly flowers, those adapted for 

 pollination by Syrphidae (Knuth . 



Hum'ble-bee flowers, specially adapted 

 for the visits of species of Bomhus. 



hu'mi (Lat.), in or on the gi-ound. 



humic''alar, Beccari's term for sapro- 

 phytic ; Humifica'tion, the reduc- 

 tion of dead plant substances to 

 humus by Fungi (Beyerinck). 



hu'mifuse, humifu'sus {hicmus, the 

 ground; fusus, spread), spread on 

 the surface of the ground ; humi- 

 Btra'tus, {stratus, stretched out), 

 laid flat on the soil. 



hu'milis ( Lat. ), lowly. 



Hu'mor (Lat., moisture) = Sap. 



Hu'mulia, the oleoresin of the hop, 

 Humulus Lujmlus, Linn. 



Hn'mus (Lat., the ground), decom- 

 posing organic matter in the soil ; 

 -^ Plants = Saprophytes ; ~ Soils, 

 garden soils enriched with organic 

 manure. 



Hask, the outer covering of certain 

 fruits or seeds ; husk'less, wanting 

 the usual outer covering, as in 

 certain forms of barley, walnuts, 

 etc. ; hus'ky, abounding with or 

 consisting of husks. 



hyacin 'thine, hyacin'thus,hyacinth'inus 

 {vaKivdivos, hyacinth-coloured), (1) 

 ♦lark purplish blue; (2) hyacinth- 

 like in habit, a scape bearing spicate 

 flowers. 



byales'cent (uetAJvos, ot glass), " some- 

 what hyaline " (Crozier) ; hyalic'olor 



{color, colour), wanting in colour ; 

 hy'aline, hyaWnus, colourless or 

 translucent; ^ Ar'ea, the smooth 

 part of a diatom-valve. 



Hyalodict'yae {vaXos, crystal; Uktvov, 

 a net), Fungi having translucent 

 muriform or netted spores (Traverso) ; 

 Hyalodid'ymae, Didyniosporae with 

 clear spores (Traverso) ; Hy'alom = 

 Hyaloplasma ; HyalopTirag'miae 

 {(ppdyfia, a fence). Fungi having 

 many-septate spores (Traverso) ; Hy'- 

 aloplasm, Hyaloplas'ma {Trxdar/jLa, 

 moulded), the hyaline matrix or 

 clear and non-granular portion of 

 protoplasm ; by some restricted to 

 the Ectoplasm ; Hy'alosomes {crwua, 

 a body), colourless granules which 

 do not take up stains : Hyalospo'rae 

 (-1-Spora), having colourless spores 

 like Laestadia (Traverso) ; Hyalo- 

 staur'ae [aravphs, a pole or cross), 

 Fungi with cruciate sport's destitute 

 of colour (Traverso^ 



Hyber'nacle, Hyberna'culum=HinER- 



NACULUM. 



hybemalis = hibp:rnalis. 



Hy'brid, Hyh'rida (Lat., a mongrel), 

 a plant obtained by the pollen of 

 one species on the stigma of another; 

 bisex'ual '^ , when the oHspriig 

 shows the character of the parents 

 combined in pairs (Clements) ; de- 

 riv'ative ~, when crossed with each 

 other or a parent ; doub'le -^ , rf. 

 Dihybridization ; doub'le-recip'ro- 

 cal ■^ , the crossing of reciprocal- 

 hybrids; false ~, False-Hybrid- 

 ism ; graft ~, reciprocal influences 

 of scion and stock on each other ; 

 heterodynam'ic '~, showing the 

 characters of male and female parents 

 in varying degieo; homodynam'ic ~, 

 showing equal combination of the 

 characters of both paients ; mosa'ic 

 '~, showing traces of eaih ]iarent, 

 as spei'ial colour patches ; recip'ro- 

 cal ~, obtained from the same 

 parents, but transposing the male 

 and female elements ; sec'oudary '~, 

 crossed with a hybrid ; sesquireci- 

 p'rocal '^ , when a hybrid is crossed 

 with one of the parental tyjies ; 



186 



