Ptychoides 



pustulose 



Ptycnoi'des (eldbs, resemblance), 

 the outer surface of the same 

 (Hartig). 



Ptyx'is (TTT^S, a folding), vernation. 



pu'bens (Lat., arrived at puberty) = 

 pubescent ; puber'ulus (dim. of 

 Lat. puber, downy, ripe), slightly 

 hairy ; Pu'ber (Lat.), maturity, as 

 of flower or fruit; Pu'berty, 

 Pu'bertas, the transition from a 

 young state to maturity of func- 

 tion ; Pu'bes (Lat. ), Pubes'cence, the 

 hairiness of plants ; pubes'cent, 

 pubes'cens, clothed with soft hair 

 or down ; pu'bera [Ae'tas], the 

 period in a fruit succeeding the 

 fertilization of the ovules ; pubig 7 - 

 erous (gero, I bear), pubescent. 



Puffing, the emission of spores in a 

 cloud ; the equivalent of the 

 German "Stauben." 



pugio'niform, pugioniform'is (pugio, 

 a dagger, forma, shape), dagger- 

 shaped. 



pulla'tus (Lat.), clothed in black. 



pulley-sliaped, circular, and grooved 

 in its circumference. 



pullulate (pullulo, to bud), to bud, 

 as in spring ; Pullula'tion, sprout- 

 ing ; especially characteristic of 

 the yeast-plant. 



pul'lus (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 (pidsatio, a beating), of 

 vacuoles, the rhythmic increase and 

 decrease of size in naked zoospores 

 and plasmodia. 



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

 powdery ; pulver'ulent, pulveruleri '- 

 tus (Lat., dusty), powdered, as if 

 dusted over. 



Pulvil'luin (Lat.), in botanic gardens, 

 a hot-bed. 



pul'vlnate, pulvina'tw (Lat. ^cushion- 

 shaped ; pulvin'iforni, pulvini- 

 form'is, having the shape of a 

 cushion or pad; Pulvin'ulus, pi. 

 Pulvin'uli, simple or branched 

 excrescences on the surface of 

 some Lichens, soredia ; Pulvi'nus 



(Lat., a cushion), an enlargement 

 close under the insertion of a leaf, 

 the swollen base of the petiole as 

 in Mimosa pudica, Linn. 



Pul'vis (Lat.), dust, powder, etc. 



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

 powder contained in the spore- 

 cases of some Fungi " (Hen- 

 slow). 



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

 little. 



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

 the marking on the valves of Dia- 

 toms ; punc'tate, puncta'tus (Lat.), 

 marked with dots, depressions or 

 translucent glands ; puncta'ta Va'sa 

 = dotted vessels ; punctiflor'nis 

 (flos, floris, a flower), having dot- 

 ted flowers; punc'tiform (forma, 

 shape), in the form of a point or 

 dot, reduced to a mere point ; 

 punctic'ulate, puncticula'tus, punc- 

 ticulo'sus, minutely punctate ; 

 Function 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. 



pur'ple, a secondary tint, a mixture 

 of red and blue in varying propor- 

 tions. 



purpurar'ius (Lat.), pertaining to 

 purple; purpura'tus (Lat.), em- 

 purpled ; purpuras'cens (Lat.), 

 becoming or turning purple ; pur- 

 purel'lus (Lat.), purplish ; pur- 

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

 a colouring principle in madder, 

 RuUa tinctoria, Linn. ; purpuri'nus, 

 (Lat.), somewhat purplish. 



purse-shaped, pouch-shaped. 



pusil'lus (Lat., petty), very small, 

 or weak and slender. 



pus'tular (pustula, a pimple), having 

 slight elevations like blisters ; 

 pus'tulate, pustula'tus, as though 

 blistered ; Pus'tule, a pimple or 

 blister ; pus'tulose, pustulo'sua 

 (Lat.), blistery or pimply. 



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