Heterodichogamy 



(SUPPLEMENT) 



homalocladous 



os, a bond), used when the 

 vascular bundles are partly of 

 phloem only (Brebner) ; cf. HOMO- 

 DESMIC ; Heterodichog'amy ; Engler 

 and Prantl's synonym for DICHO- 

 GAMY ; Heterodi'ode ( + DIODE), a 

 term to include MACRODIODE and 

 MICRODIODE (Van Tieghem) ; 

 Heterodistyly, dimorphism, as in 

 Primula elatior, Jacq. ; adj. hetero- 

 disty'lous ; heterodynamlc (5vva- 

 fus, power), applied to pairs of 

 characters, one dominant, the other 

 recessive (Correns) ; Heterogen'esis, 

 (2) the origin of organisms from 

 different genera or orders, or de 

 novo (Bastian) ; Heteroli'cheni ( + 

 LICHEN), Lichens in which the 

 gonidia are stratified in the thallus 

 (Jatta) ; Heterom'erals, Bessey's 

 abbreviation for the Heteromerae 

 of Bentham and Hooker, a series 

 of Gamopetalae ; Heteromer'icarpy 

 (/capTros, fruit), heterocarpy occur- 

 ring between parts of the same 

 fruit (Delpino); Heteromorpho'sis 

 = AITOMORPHOSIS in botanic usage; 

 Heteromorph'ism, the heteromor- 

 phic condition; Heteromesog'amy 

 (^tros, intermediate, yci/noy, mar- 

 riage), when individuals vary in 

 the method of fertilization, as (a) 

 auto-allogamous, (b) homodicho- 

 gamous, and (c) dientomophilous ; 

 neteroph'agous (<t>dyw, I eat), ap- 

 plied to Fungi which attack plants 

 not congeneric (Eriksson) ; hetero- 

 tac'tlc (VciKTt/cds, qualified to ar- 

 range), with more than one system 

 in the same inflorescence ; hetero- 

 tballic (0aXX6s, a sprout), employed 

 by Blakeslee for dioecious, in Mu- 

 corineae; Heterotrlstyly, trimor- 

 phism, as in Ly thrum Salicaria, 

 Linn. ; Het'erotroph, (1) employed 

 by Pfeffer to denote a pure sapro- 

 phyte ; (2) an organ which is 

 developed more on one side than 

 another (Wiesner) ; adj. hetero- 

 troph'ic ; heterotyp'ic, (2) employed 

 to denote vegetative division ; 

 Heterozy'gote ( + ZYGOTE), a ' ' zy- 

 gote formed by a pair of opposite 



allelomorphic gametes " (Bate- 

 son). 



hexacot'ylous, having apparently six 

 cotyledons due to fission of the 

 normal two (De Vries) ; hexacy'clic 

 (xikXos, a circle), arranged in six 

 whorls; hexaphylet' ic (<f>v\Ti, a tribe), 

 applied to those derivative hybrids 

 which are the product of six forms 

 or species, as in some willow - 

 hybrids. 



Hid'roplank'ton (ISpcbs, sweat, + 

 PLANKTON), organisms which float 

 by virtue of some secretion (Forel). 



Hieraciol'ogist (X6yos, discourse), an 

 expert in the genus Hivracium. 



Hinge, a special part of the stem 

 near a node, between two rigid 

 portions, capable of movement 

 (Kohl) ; ^ plants, plants thus sus- 

 ceptible to curvature. 



his'tioid (eI5os, resemblance), arach- 

 noid (Heinig) ; Mstoph'ilus (0i\ew, 

 I love), parasitic ; Histophy'ta 

 (<f>vTov, a plant), parasites ; Histo- 

 phy'tia, parasitic plant formations 

 (Clements). 



Hof (Germ., a court), (1) the areola 

 of a bordered pit ; (2) Rosen's ex- 

 pression for a clear, granule-free 

 space surrounding the nucleus or 

 nucleolus. 



holocar'pous (/capTros, fruit), used of 

 Fungi producing fruit once only from 

 the same thallus ; cf. EUCARPOUS. 



holocnlamyd'eous (xXayui>s, a cloak), 

 employed for ovules such as 

 those of Gingko when the integu- 

 ments are practically complete 

 (Celakovsk^) ; holocy'clic (/cu/cXi/cos, 

 circular), applied to a stem with 

 amplexicaul leaves, regarded as en- 

 circling the stem and ending at the 

 node in a leaf (Celakovsky) ; Holo- 

 g'amy (ydfj.o$, marriage), when the 

 nuclei of gametes fuse together 

 (Dangeard) ; Holopar'asite ( + 

 PARASITE), a plant entirely de- 

 pendent upon the host-plant for 

 its existence (Warming). 



homaloclad'ous, -dus (K\ddos, a 

 branch), Russow's term for straight- 

 branched. 

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