Ozycelloloses 



Falaeophytology 



Cellulose) constitute the main 

 mass of* the ground tissue of Phan- 

 erogams, and occur with lignin in 

 the walls of wood-cells ; Oxychro'- 

 matin (+ Chromatin) granules in 

 the linin thread, taking stain 

 from acid tar-colours such as eosin 

 (Heidenham) ; cf. Basichromatin ; 

 Ox'ydases, a general term for oxy- 

 dizing enzymes (J. K. Green) ; Ox'y- 

 gena8e,a doubtful enzyme, considered 

 to be a peroxydase. 

 Oxygenotax'is {o^vs, sour ; -7€»'-, pro- 

 ducing; T«(|js, order), Pfeffer's term 

 for Oxygenot'ropism (rpoir)?, a turn- 

 ing), movements induced by the 

 presence of oxygen; Acrotropism ; 

 oxygeoph'ilus (777, earth; pi\4o>, I 

 love), dwelling in humus; Oxygeo- 

 phy'ta {(pvrhv, a plant), humus 

 plants ; Oxygeophyti'a, humus plant 

 formations (Clements) ; Oxyli'um 

 {l\hs, mud), a humus marsh forma 

 tion; oxyloph'ilus {<pi\4a>, I love), 

 himius loving; Oxylophy'ta {<i>vThy, 

 a plant), humus plants (Clements); 

 adj. oxylophyt'ic. 



Oxyrie'tam, an association of Oxyria 

 plants (Clements). 



Oxyt'ropism {o^os, sour; rpoir^, a 

 turning), movements caused by an 

 excess of acid. 



paehyoar'pns {iraxvs, thick ; Kap^hs, 

 fruit), having a thick pericarp; 

 pachyolad'ons, -dus {kxASos, a 

 iMunch), thick-branched (Russow); 

 pachyder''matous ; pachyder'mous 

 {BfpfjLa, skin or hide), applied to 

 Mosses when the cells or capsules 

 are firm and resistant ; Fachjme'nia 

 {tnifiUy a thread), in nuclear division, 

 the period of the thick, unsplit 

 spirem in late synapsis ; Fachyno'sis 

 {■waxvvta, I make thick), plant-growth 

 in tliickness ; pachyphyrious 

 {<pvK\ov, a leaf), thick -leaved ; 

 paohvstich'ous {arlxos, a row), thick- 

 sided, applied to cells only ; pach'y- 

 tene {raivia, a ribband) Loops, when 

 gamomites are in pairs during nu- 

 clear divisions, later on dividing 

 longitudinally (Stevens). 



Fack'et-form, the association of bac- 

 teria in such colonies as Sarcina ; 

 Facking-cells, Hillhouse's equivalent 

 of Ger. FiUlzellen; =^uVLZMtH*^ 

 TABY-C£Lli6i 



Fad, (1) a cushion-like growth; cf. 

 SuBARCHESPOBiAL Pad ; (2) a popu- 

 lar name in the United States for 

 the floating leaves of water-lilies ; 

 (3) the central portion of -the lens 

 or contracted tissue of the plinth of 

 Conostoma (F. W. Oliver). 

 Faedog'amy {vaU, vaiShs, a child ; 

 ydfjLos, mannage), copulation of two 

 gametes from the same game- 

 tangium (Hartraann) ; paedog'amous 

 Auto'gamy, the copulation of the 

 nuclei and gametes, in place of the 

 complete gametes (Hartmann) ; 

 Faedogen'esis {yeveffis, origin), ap- 

 plied by Costerus to cases of extreme 

 precocity, as where the seedling of 

 a tree flowers when only a few 

 inches high. 

 Fa'gina (Lat., a leaf), the blade or 



surface of a leaf, 

 Fagi'am {vdyos, a peak), a succession 

 of plants on glacial soils; pago- 

 ph'ilus {(pi\4(0, I love), dwelling on 

 foothills ; Fagopby'ta {(pvrhu, a 

 plant), foothill plants ; Fagophyti'a, 

 foothill plant formations (Clements). 

 paint'ed, having coloured streaks of 



unequal density. 

 paired, (1) conjugated ; (2) used of the 

 teeth in the peristome of Mosses ; 

 Fairing-cell, an equivalent of 

 Gamete. 

 pala'ceouB, -ecus [pala, a spade or 

 shovel ; + ACf:ous) when the edges 

 of an organ, especially of a leaf, 

 adhere to their support. 

 palaea'ceous = paleaceous. 

 Falaeobiolog'ist (iroAatbs, ancient; j9/oy, 

 life ; \6yos, discourse), a student ot 

 fossil plants ; Falaeobot'anigt, a 

 student or expert in fossil botany; 

 Falaeobot'any {^oravri, a herb), fossil 

 botany, the study of plants in a 

 fossil state ; palaeoge'ic {yea, earth), 

 applied to soils derived from the 

 older formations ; Falaeophytorogy 

 {<t>vrhv, a plant ; \6yos, discourse), 



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