PuUalation 



Putamen 



as in spring; Pullula'tion, sprouting; 

 especially characteristic of the yeast- 

 plant. 



purias (Lat., dusky), black or nearly 

 black, 



pulp, Pul'pa (Lat., the flesh of fruit), 

 the juicy or fleshy tissue of a fruit ; 

 purpose, pulpo'sus, pulpy. 



Pulsa'tion {pulsatio, a beating), of 

 vacuoles, the rhythmic increase and 

 decrease of size in naked zoospores 

 and Plasmodia. 



Pulserinm (jpulso, I beat), a posterior 

 flagellum of a zoospore (Lankester). 



pulvera'ceous, -cews, pulver'eus (Lat.), 

 powdery ; pulyera'ceo-delites'cent 

 {delitesco, to lurk), covered with a 

 layer of powdery granules ; pulver'- 

 nlent, pulverulen'tns (Lat., dusty), 

 powdered, as If dusted over. 



Pulvirium (Lat.), in botanic gardens, 

 a hot-bed. 



pul'viuate, pnlvina'tiis (Lat. ), cushion- 

 shaped ; palvi'niform, pulvini- 

 form'is, having the shape of a 

 cushion or pad ; pul'vinoid {elSos, 

 resemblance), cushion-shaped ; Pul'- 

 vinoid, a portion of a petiole, usu- 

 ally swollen, resembling a Pul- 

 VINU8, but frequently non-niobile 

 (Bose) ; Pulvi'iiulus, pi. Pulyi'nuli, 

 simple or branched excrescences on 

 the surface of some Lichens, soredia ; 

 Pulvi'nus (Lat., a cushion), an en- 

 largement close under the insertion 

 of a leaf, the swollen base of the 

 petiole, as in Mimosa pvdica, Linn. 



Purvis (Lat.), dust, powder, etc. 



Pulvis'culus (Lat., small dust), "the 

 powder contained in the spoie-cases 

 of some Fungi " (Henslow). 



pu'milus (Lat., dwarfish), low or little. 



Pump-form, applied to Papilionaceous 

 flowers, with concealed anthers, as 

 Lotus, Coronilla, and Ononis. 



Pun'as, pi., Andine fell-fields, most 

 of the plants having stout tap- 

 roots (Warming). 



Punc'ta, pi. of Punc'tum (Lat., a 

 point), the marking on the valves 

 of Diatoms ; p'unc'tate, puncta'tus 

 (Lat.), marked with dots, de- 

 pressions or translucent glands ; 



puncta'ta Va'sa = dotted vessels ; 

 punctiflor'us {flos^ floris, a flower), 

 having dotted flowers; punc'tiform 

 (forma, shape), in the form of a 

 point or dot, reduced to a mere 

 point ; punctic'ulate, puncticula'- 

 tus, puncticulo'suB, minutely punc- 

 tate ; Punc'tum Vegetatio'nis, the 

 growing point. 

 pun'gent, pun'gens (Lat., piercing), 

 ending in a rigid and sharp point, 

 as in a holly-leaf. 



punic'eous, -ceus, crimson. 



pure, applied to forests, means un- 

 mixed, the growth being confined to 

 one form ; '- Cul'tures, uncontami- 

 nated by admixture of any other 

 form than that under observation ; 

 e.g. a race of yeast-plants obtained 

 from a single individual ; ~ For'est, 

 restricted to a single form ; '-- Line, 

 the descendants from a single plant 

 by self-fertilization. 



pur'ple, a secondary tint, a mixture 

 of red and blue in varying propor- 

 tions. 



purpurar'ius (Lat.), pertaining to 

 purple; purpuras'cens (Lat.), be- 

 coming or turning purple ; pur- 

 pura'tus (Lat.), empurpled; pur- 

 purerius (Lat.j, purplish; purpu'- 

 reus (Lat.), purple; Pur'purine, 

 a colouring principle in madder, 

 Rubia iincforia, Linn. ; purpuri'nus 

 (Lat.), somewhat purplish. 



purse-shaped, pouch-shaped. 



pusirius, (Lat., petty), very small, or 

 weak and slender. 



pus'tolar (pustula, a pimple), having 

 slight elevations like blisters ; 

 pus'tulate, pustiila'tus, as though 

 blistered ; Pus'tule, (1) a pimple or 

 blister ; (2) used by Sir J. E. Smith 

 for Variola ; pus'tulose, pustulo'- 

 sus (Lat.), blistery or pimply. 



Pu'sula (Lat., a bubble), the contrac- 

 tile vesicle in Peridiniae (Schiitt). 



Pusz'tas, pi., Hungarian steppes, 

 closely resembling those of southern 

 Russia (Warming). 



Puta'men (Lat., shells, rind), (1) the 

 shell of a nut ; (2) the hardened 

 endocarp of stone fruit ; putamina'- 



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