Oimorpliisni 



Biplophase 



short-styled flowers in the same 

 species. 



dimo'tus (Lat., separated), somewhat 

 remote from. 



dineur'oid {^l$os, resemblance), like 

 the fossil genus Dineuron. 



Di'odange (+ Diode, ayyfiov, a vessel), 

 a group of diodes surrounded by one 

 or more layers of sterile cells (Van 

 Tieghem) ; Diodang^'ium {Uo^os, a 

 passage ; kyy^'lov, a vessel), Van 

 Tieghem 's term ffir a sporangium in 

 Vascular Cryptogams and Bryo- 

 phytes ; Di'ode, Van Tieghem's term 

 for a reproductive body peculiar to 

 vascular plants which develops into 

 a rudimentary body or prothallium, 

 the transition between the rudi- 

 mentary and adult stages ; cf. 

 IsoDionY, Heterodiody ; Di'odo- 

 gone(7oj/)?, offspring), Van Tieghem's 

 term for a sporangium which pro- 

 duces diodes in Phanerogams, the 

 embryo sac and pollen sac , Di'odo- 

 phytes {(pvrhv, a plant), vascular 

 plants (Van Tieghem). 



Dioe'cia (S)s. two ; oIkos, a house), a 

 Linnean class of plants with uni- 

 sexual flowers ; dioeclan, dioec'ious, 

 unisexual, the male and female 

 elements in different individuals ; 

 dioec'io-dimorph'ous, heterogenous ; 

 dioec'io-polyg'amous, when some 

 individuals bear unisexual flowers, 

 and others hermaphrodite ones ; 

 Dioec'ism, the condition of being 

 dioecious ; dioi'cous, a spelling used 

 by bryologists for dioecious, the 

 male and female organs on separate 

 plants. 



dioph'anus = Diaphanous. 



Di'osmose, Diosmo'sis (5ta, through ; 

 ijifffxhs. a pushing), the transfusion 

 of liquid through membrane. 



dipet'alous, -us (Sis, two ; iriTaXov, 

 a flower-leaf), having two petals ; 

 dipho'tic (<^ci)s, tpasrhs^ Hght), two 

 surfaces unequally lighted ; Dipho'ro- 

 phyll (;<pv\\ou, a leaf), a leaf differen- 

 tiated into palisade and spongy 

 tissue from unequal illumination 

 (Clements) ; diphyU ous, -us i<pv\\ov, 

 a leaf), having two leaves ; diplanet'ic 



{irXavos, roaming), relating to Di- 

 PLANETISM ; Diplan'etism, double- 

 swarming ; in certain genera allied 

 to Saprdlegnia the zoospores escape 

 from their sporangium destitute of 

 cilia, come to rest in a cluster each 

 forming a cell-wall, and after some 

 hours the protoplasmic contents of 

 each spore escapes, acquires cilia and 

 active movement ; Diplecolo'beae 

 (ttAc/co*, I fold"; ho^hs, a lobe), a 

 sub-order of Cruciferae, the incurved 

 cotyledons being twice folded trans- 

 versely ; Dipleurogen'esis {wkevpa, 

 the side ; yepeais, beginning), term 

 used by L. H. Bailey for Bilaterality, 

 as the type of animals ; cf. Centro- 



GENESIf?. 



diplo {dnr\6os, twofold), in composition 

 = duplo; Diplobaciirus (+ Bacil- 

 lus), bacilli which are composed 

 of two cells or adhere in pairs ; 

 Diplobacte'ria = Diplobacillus ; 

 diplocaulesc'ens {caulescens, stem- 

 producing), having axes of the 

 second order ; diplochlamyd'eous 



(XAo/ti/S, acloak)=DICHLAMYDEOUS ; 



having a double perianth ; Diplo- 

 coc'cus (+ Coccus), a coupled 

 spherule or result of the conjugation 

 of two cells ; Dip'locyte {kvtos, a 

 hollow vessel), a somatic cell having 

 the full number of chromosomes 

 (Benson) ; adj. diplocyt'ic 



Dip'loe {Bnr\6-n, doubling), Link's term 

 for Mesophyll. 



dip'loid {SittxSos, twofold), applied to 

 the state of the 2x Generation, the 

 chromosomes being doubly as many 

 as in the haploid generation ; 

 dip'loid Generation, the Sporo- 

 phyte (Strasburger) ; Diplogam'ete 

 {8nr\6os, twofold ; + Gamkie) in 

 Ascomycetes the double gametes pro- 

 duced in the same cell (Dangeard) ; 

 Diplogen'esis {yfveais, a beginning), 

 doubling of parts normally single ; 

 Dip'lonasty {vacrThs, pressed close), 

 when organs grow faster on the up- 

 per and the under surfaces than on 

 the sides ; Diploperisto'mi (+Peri- 

 stoma), with double peristome, ap- 

 plied to Mosses ; Dip'lophase {(paivw, 



l\i 



