xxx FLORA OF MADRAS. 



PARIPINNATE : pinnate with an equal number of members on each 



side of the axis and no odd terminal one. 



-PARTITE : a suffix denoting division deeper than to the middle. 

 PATENT : spreading. 

 PECTINATE : pinnately cut in narrow segments set close like the teeth 



of a comb. 



PEDATE : palmately divided with the lateral divisions 2-cleft. 

 PEDICEL : the stalk of a single flower. 

 PEDUNCLE : the common stalk of 2-many flowers or of a complete 



inflorescence. 

 PELTATE : shield-shaped ; said of leaves of which the petiole is 



attached to the lower surface of the blade and not at the margin. 

 PENICILLATE : shaped like an artist's brush, with a terminal tuft of 



hairs. 

 PENNATE : with members or incisions more or less regularly placed on 



either side of the median line, resembling the arrangement in a 



feather. 

 PERFECT : an organ or a flower in which all the normal parts are 



present. 



PERGAMENTACEOUS : parchment-like. 

 PERIANTH : the flower envelopes of 1 or 2 series, i. e. calyx and corolla ; 



more commonly used when the two series are not differentiated or 



when only one of them is present. 

 PERICARP : the wall of a fertilized ovary ; sometimes improperly used 



for the protective husks of a fruit. 

 PERIGYNOUS : said of the floral parts other than the pistil when they 



are inserted above the level of the base of the ovary, but not above 



the ovary. 

 PERISPERM : the nutritive tissue outside the embryo sac which remains 



in the seed until absorbed ; sometimes the pericarp or even the 



integuments of a seed. 

 PERSISTENT : remaining attached until the part bearing it is wholly 



matured. 



PERULATE : furnished with protective scales. 

 PETAL : a single member of the corolla. 

 PETIOLE : the stalk of a leaf. 



PHYLLODE : a petiole assuming the form and function of a leaf. 

 PILOSE : hairy with rather long, soft, distinct hairs. 

 PINNATE : organs or leaflets arranged on each side of a common axis 



as in a feather. 

 PISIFORM : pea-shaped. 

 PISTIL : the complete female part of a flower. 



