ag'eotropic 



(SUPPLEMENT) 



alveolar 



ageotrop'io ( + QEOTROPIC), negatively 

 geotropic. 



agricultural species, so-called, are 

 constant forms or varieties of cul- 

 tivated plants, as maize, wheat, 

 etc. 



Atrium (&ypfo, a field), "a culture 

 formation"; agroph'ilus, "dwell- 

 ing in grain fields " ; Agrophy'ta, 

 "culture plants" (Clements); 

 agroc'olus (Clements) = AGBICOLA 

 (Lat., a rustic), a native of the 

 fields. 



Agrostol'ogist, an expert or writer on 

 grasses. 



aianth'ous (del, ever, Avdos, a flower), 

 (1) constantly flowering ; (2) ever- 

 lasting flowers, as Hdichrysum. 



Aigial'iuni (ar/mXds, seashore), a 

 beach-plant formation ; aigialo- 

 ph'ilus (<j>i\t(t>, I love), beach- 

 loving; Aigialoph/ta (<j>vrbv, a 

 plant), beach or strand plants 

 (Clements). 



Aipnyll'ium (aet'^uXXos, evergreen), an 

 evergreen forest formation ; aiphyl- 

 loph'ilus ($iX^w, I love), growing 

 in such forests; Aipnyllophy'ta 

 ((ftvrbv, & plant), plants forming 

 evergreen forests (Clements) ; 

 Aiphy'tia, ultimate or fixed forma- 

 tions (Clements). 



Aitharium (detflaX^s, an evergreen 

 thicket), a formation of evergreen 

 thickets; aithalophllus (0tX^w, I 

 love), plants delighting in such 

 habitats; Aithalophy'ta (Qvrto, a 

 plant), plants composing such for- 

 mations (Clements). 



Aitomorpho'sis (afnos, causing, 

 /t6/30w<m, change), change in shape 

 caused by external factors (PfefFer). 



Akla'dium = ACLADIUM. 



Albica'tion, becoming blanched or 

 variegated with white. 



Al'bumen, recently restricted by Van 

 Tieghem to the result of the de- 

 velopment of the TROPHIME, the 

 central nucleus of the embryo-sac. 



Ale'tophytes (0X177-775, vagrant, <f>$Tov, 

 a plant), ruderal or wayside plants 

 (Clements). 



al'goid (efSoy, resemblance), like an 



Alga ; Al'go-li'chenes, Lindsay's 

 term for certain transitional forms 

 between Algae and Lichens. 



ATiquote (aliquot, some in numbers), 

 the constant of temperatures for a 

 given event in the life-cycle of an 

 organism ; the sum-temperature of 

 the event divided by the total 

 sum - temperature of the year 

 (Linsser). 



Allautogam'ia (aXXos, other, aOrds, 

 self, -yd/Acs, marriage), unusual 

 method of pollination (Clements). 



Allelomorph (dXX^Xws, mutually, 

 /uop</>?7, shape), applied to "unit- 

 characters existing in antagonistic 

 pairs " (Bateson) ; cf. HYP ALLELO- 

 MORPH ; adj. allelomor'phic ; Alle- 

 lomor'phism, the condition in 

 question. 



Al'losperm (o-r^/ta, a seed), an 

 embryo arising through ALLOGAMY 

 (MacMillan); Al'lospore ( + SPORA), 

 a spore which gives rise ultimately 

 to a gametophyte (Radlkofer) ; 

 Allot'rophy (rpoffi, nourishment), 

 when plants are not in a condi- 

 tion to assimilate C0 2 (Pfeffer) ; 

 (2) the condition of flowers of 

 low adaptation to insect visitors 

 (Loew). 



alsina'ceous, add, (2) belonging to, 

 or resembling the group of plants 

 of which Alsine is the typical 

 genus. 



ATsium (aXcros, a grove), a grove 

 formation ; alsoph'ilus (0tXeo>, I 

 love), grove-loving plants ; Also- 

 phy'ta (Qirrbv, a plant), grove 

 plants (Clements) ; alsoc'olus (Cle- 

 ments) = alsoc'ola, dwelling in 

 groves. 



alterna'rioid (elSos, likeness), re- 

 sembling the genus Alternaria. 



alternipet'alous (irra\ov, a flower 

 leaf), applied to stamens alternat- 

 ing with the petals ; alterni- 

 sep'alous ( + SEPALUM), used of 

 petals alternating with the sepals. 



al'veolar (alveolus, a small hollow) 

 The'ory, applied to Butschli's 

 theory of protoplasm as a foam- 

 like substance. 



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