GLOSSARY. XXV 



Reflexed ; bent considerably backwards. 



Reniform ; transversely oval, but broadly cordate at the base. 



Repand ; with a rather wavy margin. 



Reticulate ; forming a network. 



Retrorse ; directed from the point of an organ. 



Retuse ; abruptly blunt with a notch in the middle. 



Revolute ; rolled back, as towards the underside of a leaf. 



Rhizomatous ; having rhizomes. 



Rhizome ; a prostrate more or less subterranean stem producing 



roots and leafy shoots. 

 Rhomboidal ; approaching a quadrangular, not square, figure 



attached by one of its more acute angles. 

 Ringent ; a 2-lipped widely open corolla. 

 Rootstock ; a thick short rhizome or tuber. 

 Rosette ; a collection of leaves growing close together, like the 



petals of a double rose. 

 Rosulate ; arranged in a rosette. 

 Rotate ; a monopetalous corolla with a short tube and very 



spreading limb. 



Rudimentary ; imperfectly developed. 

 Rugose ; covered with a network of lines enclosing convex 



spaces. 



Rugulose ; finely rugose. 

 Runcinate ; where the lobes of leaves are directed towards the 



Runner ; a prostrate shoot rooting at its end ; a stole. 



Sagittate ; like the barbed head of an arrow, the auricles or lobes 



pointing backwards. 



Sahershaped ; a corolla with a long slender tube and flat limb. 

 Sarmentose ; having a prostrate stem, stary jg with a very small 



arch from its root. 



Scabrous ; rough like a blacksmith's hand. 

 Scales ; minute rudimentary leaves ; very small flat semidetached 



parts of the cuticle. 

 Scape ; a leafless radical peduncle. 

 Scarious ; very thin, dry, and semitransparent. 

 Scorpioid ; said of the branches of a cyme curved in a circinate 



manner, and the flowers produced only on the upper side. 

 Secund ; all turned towards one side. 

 Seed ; the ovule arrived at maturity. 

 Seedstalk ; the stalk connecting the hilum of a seed with the 



placenta. 



Sepals ; the divisions of the calyx. 

 Septicidal ; when a fruit splits through the middle of the septa 



or partitions. 



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