Pyrus or Crataegus. 



Pore ?L7v A small opening, as that in anthers of Ericaceae through which the pollen 

 grains escape. 



Poricidal llMtti Opening by pores. 



Posterior '$M Turned towards the axis; the opposite of anterior. 



Prickle j£$ij A sharp outgrowth of the rind or bark. 



Process %j& Any projecting appendage. 



Procumbent 5 | £ M0*J Lying along the ground. 



Proliferous #WW Bearing offshoots. 



Prostrate *£%k$} Lying flat. 



Prothallium (pi. prothallia) UMfo A usually flattened plant body developing from a 

 spore and bearing sex organs. 



Pseudobulb fl^H A thickened and bulb-like internode, as in some orchids. 



Puberulent, puberulous ^%f& Slightly hairy. 



Pubescence falf^ Hairiness. 



Pubescent ^fa^^g Covered with soft hair. 



Pulpy \k]fi Fleshy. 



Punctate IJ5J1;, 1 ? Marked with dots, e.g. depressions or translucent glands. 



Punctiform $Jfc In the form of a dot. 



Pungent ^-£j-< With a rigid sharp point; having acrid taste or odor. 



Pustulate ft}$;^;|5 Blistered. 



Pyrene fr$ A small stone of some drupe and pome type fruits. 



Pyriform %^ Pear-shaped. 



Raceme %M-$\?tFf An inflorescence on an indefinitely elongating axis with equally 

 pedicelled flowers. 



Racemose MVtffi Having racemes. 



Rachilla {rhachilla) <htt$ft The axis of a grass spikelet. 



Rachis (rhachis) ttff-^i, 5Sfft The main axis of a grass inflorescence or of a com- 

 pound leaf. 



Radiate $g##j Bearing rays or ray florets. 



Radical #|£$j Arising from the root or crown. 



Radicle KM The first root of the embryo. 



Rank flX A vertical row. 



Raphe %%f A ridge on an inverted ovule which connects the base of the ovule with 

 the stalk. 



Raphides (rhaphides) fcf-jftft; Needle-shaped crystals in the cells of plants. 



Ray flower '/^Vc An outer enlarged flower, ligulate or tubular, from a head in 



Compositae. 

 Receptacle Ttft The enlarged tip of the peduncle or pedicel on which one or more 



flowers are borne. 

 Rcflcxed E#fEft Curved backward or downward. 

 Regular f| {'r'it A type of symmetry with which a flower can be divided into equal 



parts along sections cut in various directions. 

 Remote gftjf Scattered. 

 Reniform ffjfc Kidney-shaped. 

 Resiniferous Jl|yJ)]n Secreting resin. 

 Resinous \ii\\\W) With resin. 

 Reticulate j$f!$; Netted. 



572 



