coenopodus 



Colleter 



units (energids) enclosed in a com- 

 mon wall, as in Vaucheria ; coeno- 

 p'odus, =COINOPODCJS. 

 coerules'cens, coeru'hus, = CAERULES- 



CENS, CAERULEUS. 



coesius = CAESIUS. 



coeta'neous, of the same age, existing 

 at the same time ; also spelled 



COAETANEOUS. 



Coeto'nium (KOLT&V, a bed-chamber), 

 the outer glumes of a multifloral 

 spikelet in grasses (Trinius). 



coffea'tus (Mod. Lat. ), the colour of 

 roasted coffee-berries, Coffea ara- 

 bica, Linn. 



cohe'rent,coAeVe??s,cohe'riiig(co7taereo, 

 I cleave to) ; ( 1 ) the act of Cobe'sion, 

 the incorporation of one part with 

 another, as the petals to form a 

 tubular corolla ; (2) adherent. 



Co'hort, Co'hors (Lat., a band of 

 soldiers), a group of orders, forming 

 an Alliance. 



coinop'odus J (KOIVOWOVS, with common 

 foot), terminating downwards in a 

 cone, as most embryos ; Lindley also 

 spells it coenop'odus. 



Colculcine, an alkaloid yielded by 

 Colchicum autumnale, Linn. 



Colench'yma = COLLENCHYMA. 



Col'eogen (/coXed?, a sheath ; yevvdu, I 

 bring forth), a ring-shaped group 

 of cells, surrounding the mestome 

 of Dicksonia, etc. (Haberlandt) ; 

 Coleophyll'um (0i'<XXoc, a leaf), the 

 first leaf in germination of mono- 

 cotyledons, which sheathes the suc- 

 ceeding leaves ; Coleop'tilum (irTi\ov, 

 a feather) = Coleophyllum ; Coleo- 

 rM'za (pifa, a root), the sheath of 

 a monocotyledonous embryo, when 

 pierced by the true radicle ; adj. 

 coleorhiza'tus ; Col'esule, Coles'ula; 

 (1) a membranous bag-like organ 

 enclosing the sporangium of Hepa- 

 ticae, the perichaetial sheath, usu- 

 ally termed the Vaginule. 



Collap'sion, Coflap'sio(La,t., falling to- 

 gether), the act of closing or falling 

 together. 



Coll'ar, Coll' urn (Lat., neck) ; (1) the 

 "neck" of a plant, the imaginary 

 boundary between the above- and 



underground portion of the axis ; 

 (2) the annulus in Agarics. 



Colla're J (Lat., a collar) = LIGULE. 



collat'eral (col-latero, to admit on 

 both sides), standing side by side ; 

 ~ Bun' dies, those having a single 

 strand of bast and wood, side by 

 side, and usually in the same 

 radius ; BICOLLATERAL BUNDLES are 

 a variation on this type, having two 

 of one element to one of the other ; 

 <~ Chor'isis, see CHORISIS. 



collecting (collect' io, a gathering to- 

 gether) Cells, are roundish cells, 

 destitute of chlorophyll and densely 

 filled with protoplasm ; in German 

 " Sammenzellen " ; <~ Hairs, hairs 

 on the styles of some Compositae 

 serving to collect the pollen on its 

 discharge from the anthers ; col- 

 lective Fruits, the aggregation of 

 the fruits of several flowers into 

 one mass, such as the mulberry ; 

 Collectors, Collector'es, the hairs of 

 certain styles, as in Campanula, 

 which collect or brush out the 

 pollen from the anthers ; Of. COL- 

 LECTING HAIRS. 



Collench'yma (/cdXXa, glue ; ^xu/ua, 

 an infusion) ; (1) parenchymatous 

 cells with cellulose walls usually 

 elongated, forming strands of great 

 strength under theepidermis, thick- 

 ening in angles, etc. ; (2) the cel- 

 lular matter in which the pollen is 

 formed, usually absorbed, but re- 

 maining and assuming a definite 

 form in some plants as in Orchids, 

 or delicate threads, as in Oenothera 

 (Lindley) ; Bast ~, thickening 

 chiefly involving the whole wall ; 

 Cart'iiage ~, walls thickened all 

 round with sharply differentiated 

 inner lamella ; Meta- <~ caused by 

 slow death of cell, and metamor- 

 phosis of the cell-wall ; Plate <~ , a 

 form which resembles the true hard 

 bast ; Rift <~ , portion of wall 

 bordering on an intercellular space 

 alone thickened. 



Coll'et = COLLAR. 



Colle'ter (/coXX^rds, glued), mucila- 

 ginous hairs on the buds of 



57 



