Punctate 



OF BOTANICAL TERMS. 



Quadrifoliate 



the prothallus in ferns bear- 

 ing the archegonia and anthe- 

 ridia. 



PU'MILUS, see Humilis. 



PUNCTATE, dotted as if by 

 punctures. The dots may be 

 colored or colorless, superficial 

 or internal, in the latter case 

 sometimes caused by minute 

 oil-glands. Compare Perfo- 

 rate. 



PUNC TIF6RM, in the form of 

 either a dot or point. 



PUNC'TUM VEGETATlO'NfS, the 



extremity of a stem, or other 

 central point where the cells 

 are in the process of division 

 and growth; growing point; 

 apical cone. 



PUN'GENT, terminating in a 

 hard sharp point. Compare 

 Mucronate. 



PUR'POSE, see Adaptation. 



PUS'TULATE, bearing pustules 

 or low, blister-like elevations; 

 pustular; pustulose. 



PUS'TULE, a slight elevation like 

 a pimple or little blister. Com- 

 pare Papilla. 



PUTA'MEN, the stone of a drupe, 

 or shell of a nut. 



PYC'NIDE, see Pycnidium. 



PYCNlD'IUM (pi. Pycnid'ia), a re- 

 ceptacle in Ascomycetes con- 

 taining stylospores; clinospo- 

 rangium. 



PYCNOcEPH'ALOUS, having the 

 flowers densely crowded in the 

 inflorescence. 



PYCNOCONID'ltJM, see Stylo- 

 spore. 



PYCNOGONlD'IUM, see Stylo- 

 spore. 



PYC'NOSPORE, see Stylospore. 



FYCN6s'TA€H0US, in compact 

 spikes. 



PY6GEN£T'IC, pus-forming, as 

 certain bacteria. 



FYRAM'iDAL, either angular and 

 tapering upward, or couical. 



PYRE'NA (pi. Pyre'nS), a nutlet, 

 or the stone of a small drupe. 



PY'RENE, see Pyrena. 



PYRE'NOCARP, (1) the perithe- 

 cium in Pyreiiomycetes; (2) a 

 drupe. 



PYRE'NOIDS, minute rounded 

 colorless granules, one or 

 more of which are embedded 

 in the chromatophores of many 

 algae; amylum bodies; chloro- 

 phyll vesicles. 



PYR IF6RM, see Pear-shaped. 



PYX'IDATE, resembling a pyxid- 

 ium or bearing pyxidia. 



PYXID'IUM (pi. Pyxid'ia), a cap- 

 sule which dehisces by a cir- 

 cular transverse line; pyxis. 

 Now restricted to seed-cap- 

 sules, but formerly applied 

 also to certain spore-capsules, 

 as those of mosses. 



PYX'IS(pl. Pyx'ef), see Pyxiditjm. 



QUAD-, or QUADRI-, a prefix from 

 the Latin meaning four. 



QUADRANGULAR, four-angled. 



QUADRICRU'RAL, having four 

 stems or supports. 



QUADRiDEN'TATE, four- 



toothed. 



QUADRlDiG'JTATE, digitate in 

 four divisions. 



QUADRIFA'RIOUS, in four verti- 

 cal ranks. 



QUAD'RlFlD, cleft into four 

 segments half - way to the 

 base or midrib. 



QUAD'rJFOIL, see Quadrifo- 

 liate. 



QUADRIFO'LIATE, strictly, four- 

 leaved, but used for having 

 four leaflets arising from the 

 145 



