Half-terete 



Haplospore 



side, terete on the other : — Half- 

 Galtonian-curve, see Newtonian 

 Curve. 



Halm, see Haulm. 



Halobi'ou {6.\s, a\ds, salt, the sea ; 

 ^ios, life), associations of marine 

 plants (Forel) ; halolimnet'ic (+ 

 LiMNKTic), belonging to the sea or 

 salt lakes ( Forel). 



haronate, halona^tus {aKas, the disc 

 of the sun, halo), when a coloured 

 circle surrounds a spot. 



Halodrymi'um (a\s, aKos, salt, the 

 sea ; Spvfxhs, a coppice), a mangrove 

 formation (Diets) ; hal'o-ne'reid 

 {Nripeis, a sea-nymph), pertaining to 

 salt-water. 



halo'nial, used of the fertile branches 

 or tubercles of the fossil Lepido- 

 pMoius, formerly considered as 

 belonging to Halonia, Lindley ef 

 Hutt., non Fries. 



haloph'ilous (aAy, a\hs, salt, the sea ; 

 (pi\ew, I love), salt-loving ; Haro- 

 phobe {<pofiea>, I fear), a plant which 

 shuns salt ; adj halopli'obous ; Ha- 

 lophy'ta {<i>vThv, a plant), salt plants; 

 Harophyte {(pvrou, a plant), a plant 

 which grows within the influence 

 of salt water ; adj. halophyt'ic ; 

 Halophyti'a, plant associations of 

 salt marshes ; Halophy'tism, the con- 

 dition in question ; Haloplank'ton 

 (+ Plankton), the floating vegeta- 

 tion of salt-water, nerit'ic ~ , con- 

 fined to the coast ; oceanic '^ , or 

 pelag'ic '^ , that of the open sea. 



Hal'ospore, an error for Haplospore. 



halved, dimidiate ; Halves, cf. Segment 

 Halves. 



Hama'da, stony desert tracts in Al- 

 geria. 



ha'mate, hama'tus (Lat. hooked), 

 hooked at the tip ; ha'mose, ha'- 

 mous, hamo'sus, hooked ; ham'ulate, 

 hxniula'tus; ham'ulose, hamulo'sus, 

 beset with small hooks ; Ha'mulus, 

 a hooked bristle in the flowers of 

 Uncinia ; Ka'mus, a hook. 



Ham'mock vegetation, a Florida term 

 for Climax Vegetation. 



Han'dle, the manubrium of the anthe- 

 ridium of Characeae. 



hapaxan'thic, hapaxan'thous (a7ra|, 

 once ; 6.veos, a flower), used of herbs 

 having a single flowering period. 



Haplan'the {aTrx6os, single ; &vdi], a 

 blossom), Huxley's term for the hy- 

 pothetic anemophilous type of the 

 flowers of Gentianaceae ; cf. Journ. 

 Linn. Soc, Bot. xxiv. (1887), 112, 

 122 ; Haplobacte'ria (+ Bacteria), 

 iimple bacceria, colonies and cells 

 in aggregation, the product of divi- 

 sion as in Sarcina; Haplobi'ont (/Si'os, 

 life ; ovra, things existing), a plant 

 which fruits once only ; monocarpic ; 

 haplocaules'cent, uniaxial ; haplo- 

 cau'lous {kuvKos, 8l stem), having a 

 simple unbranched stem ; haplo- 

 chlamyd'eous (x^oMi's, a mantle), 

 monochlamydeous, having a single 

 perianth ; Hap'locyte {kvtos, a hol- 

 low vessel), a cell containing nuclei 

 with the reduced number of chro- 

 mosomes (Benson) ; adj. haplocyt'ic ; 

 Haplogen'esis (yiveais, beginning), 

 the origin of new forms by evolution 

 and development of new characters ; 

 haplogen'eus {y€vvdcc, I bring forth), 

 = heteron EMEUS ; Haplogonid'ium 

 (-f Gonidium), a lichen gonidiuni 

 occurring singly and resembliDg Pro- 

 tococcus ; Haplogonim'ia (+ Go- 

 nimia), gonimia occurring singly ; 

 Hap'lf^id (IjSos, resemblance), the 

 organism with the single number of 

 chromosomes, the hap'loid, or x Gene- 

 ration ; the gametophyte (Stras- 

 burger); haplolepid'eous, the prefer- 

 able form of APLOLEPiDEous; Hap- 

 lomer'istele ( + M e histele) , a simple 

 stele consisting of an axial series of 

 tracheae surrounded by a ring of 

 phloem ; adj. haplomeriste'lic (Breb- 

 ler) ; Haplomito'sis (-f Mitosls), 

 nuclear division in which the spirera 

 does not give rise to the chromosomes^ 

 but to chrumospires (Dangeard) ;' 

 ^aploperist'omous (+ Peristome), 

 used of Mosses with a peristome of a 

 single row of teeth ; haplopet'alous, 

 -lus (ireraAov, a flower leaf), with 

 one row of petals ; Hap'lophase 

 {(paivw, I appear), Yuillcmin's term 

 for Haploid ; Hap'lospore {(nroph. 



170 



