Paracyst 



Para.situs 



any appendage to a corolla, the 

 corona of a flower : Par'acyst 

 (KIHTTIS, a bag), Tulasne's terra for 

 gametes in Peziza, etc. ; Paradi- 

 phyl'lum (5is, twice, <f>v'\\ov, a leaf), 

 a double leaf resulting from dicho- 

 tomy of the lamina (Kronfeld), 

 par'afimoid (+ Paraffin, eldos, resem- 

 blance), Kerner's term for a group 

 of scents, such as the Rose, Lime, 

 and Elder. 



Paragalac'tan (irapa, from beside, + 

 Galactan), a reserve substance in 

 the seeds of lupins ; Parag'amy 

 (yd/Acts, marriage), vegetative or 

 gametal nuclei lying in a con- 

 tinuous mass of cytoplasm which 

 fuse to form a zygote nucleus ; 

 apocyt'ial <- , the vegetative nuclei 

 of an apocytium which fuse to form 

 an " Oospore " in Saprolegnieae 

 (Hartog); Paragen'esis (yeveais, be- 

 ginning), all modes of reproduction 

 resulting in a body which simu- 

 lates a zygota in the same or allied 

 forms (Hartog) ; Paraheliot'ropism 

 ( + HELIOTROPISM), diurnal sleep, 

 the movements of leaves to avoid 

 the effects of intense sunlight ; cf. 

 PAEATHERMOTROPIC ; Paraii'nin ( + 

 LININ), the substance composing 

 the nucleo-hyaloplasm (Schwarz). 

 par'allel (TrapdX^Aos, parallel), ex- 

 tended in the same direction, but 

 equally distant at every part ; ~ 

 Chor'isis, lateral separation into 

 two or more members ; ~ nerved, 

 ~ ner'vis, ~ veined, parallelire- 

 no'sus, straight nerved or veined ; 

 (1) the lateral ribs straight as in 

 Alnus ; (2) the entire system, as iu 

 the leaves of grasses ; parallelod'- 

 romous, -mm (5/>oVos, a course), 

 having parallel veins, as in lilies 

 (Ettingshausen). 



paramerid'ian (irapa, from, beside, + 

 MERIDIAN), used of planes in a 

 Diatom-frustule which are parallel 

 to the meridian (0. Mueller); Para- 

 mit'om (+ MITHM), Flemming's 

 term for the more fluid portion of 

 the cell-substance contained in the 

 MITOM ; the paraplasma of Kupffer ; 



Param'yl, Paramy'lum (&/j.v\ov, 

 fine flour), a mucilaginous sub- 

 stance probably akin to starch, in 

 the cytoplasm of some Algae, as 

 Phaeophyceae and Rhodophyceae ; 

 Parane'mata, pi. (VTJ/J.OL, a thread), 

 the paraphyses of Algae ; adj. 

 parane'matal, as ~ Fil'aments = 

 PARANEMATA ; Paranu'cleolus ( + 

 NUCLEOLUS), a secondary nucleolus 

 when there are more than one 

 (Strasburger) ; Paranu'cleus ( + NU- 

 CLEUS), an apparently additional 

 nucleus, generally near the true 

 nucleus, and sometimes budded off 

 from it ; parapec'tic ( + PECTIC) 

 Ac'id, derived from pectin by the 

 action of alkalis ; Parapec'tin, 

 hydrolysed pectin ; Parapet'alum 

 (Trera\ov, a flower-leaf), any ap- 

 pendage to a corolla, consisting 

 of several pieces (Moench) ; para- 

 pet'alous, -Ins ; parapet'aloid (d5os, 

 likeness), (1) bearing a parapet- 

 alum ; (2) of stamens which stand 

 on each side of a petal ; Para- 

 phyl'lium (-pv\\oi>, a leaf), (1) = 

 STIPULE ; (2) a foliaceous expan- 

 sion in some calyces ; (3) a small 

 interfoliar appendage on Moss- 

 stems ; Paraph'yses (</>v(ris, growth), 



(1) sterile filaments occurring in 

 the fructification of Cryptogams ; 



(2) the rays of the corolla in Passi- 

 flora, the parastades; (3) formerly 

 used for the cystidia of Fungi ; 

 ~En'velope, the peridium of Ure- 

 dineae ; adj. paraph'ysate ; Para- 

 plas'ma (TrXacr/ta, moulded), the 

 more liquid interfilar portions of 

 protoplasm ; Paraplectench'yma ( + 

 PLECTENOHYMA), a modification of 

 hyphal-tissue (Lindau). 



Par'asite (Trapdcrtros, one who lives at 

 another's expense), an organism 

 subsisting on another (the host) ; 

 ~ Sap'rophyte, a parasite which 

 kills its host and then continues 

 to feed on it ; parasitic, deriving 

 nourishment from s-ome other or- 

 ganism ; <~ Castra'tion, sterility in- 

 duced by the effects of a parasite ; 

 Parasi'tus spu'rius EPIPHYTE . 



182 



