xxxii FLORA OF HABEAS. 



RECEPTACLE : that part of the axis that bears one or more organs or 



flowers. 



REGULAR : symmetrical in several planes. 

 RENIFORM : kidney-shaped. 



REPAND : with wavy margin, but less so than if sinuate. 

 REPLICATE : folded down so that the upper part comes against the 



lower. 



RESUPINATE : upside down or appearing so. 

 RETICULATE : resembling network. 



RETINACULUM : the horny curved funicle of many Acanthaceae. 

 RETRORSE : directed backwards or downwards. 

 RETUSE : a shallow notch in a rounded apex. 

 REVOLUTE : rolled back from the margins or apex so that the upper 



face is outside. 

 RH ACHE OLA or RH ACHILLA : a secondary axis in the inflorescence of 



grasses. 



RHACHIS or RACHIS : the axis of an inflorescence or of a compound leaf. 

 RHIZOME : an underground stem, usually horizontal and elongated. 

 ROSTELLUM : a small beak ; a narrow extension of the upper edge of 



the stigma in some orchids. 

 ROSTRATE : beaked with slender tip. 



ROSULATE : with clustered leaves collected into a rosette. 

 ROTATE : wheel-shaped ; said of a gamopetalous corolla with a short 



tube and spreading limb. 

 RUFOUS : reddish. 

 RUGOSE : thrown into wrinkles. 

 RUMINATE : said of a seed with the testa projected as points and 



plates into the albumen. 

 RUNCINATE : incised with the teeth or lobes directed backwards. 



SACCATE : bag-shaped. 



SAGITTATE : arrow-head-shaped with the base enlarged into two 



straight, acute lobes. 

 SAMARA : an indehiscent winged fruit, or winged parts of a dehiscing 



fruit. 



SAPROPHYTIC : 'feeding on decayed organic matter, such as humus. 

 SARMENTOSE : producing long and lithe runners. 

 SCABRID : covered with small hard hairs or points and feeling rough. 

 SCABROUS : very scabrid. 

 SCANDENT : climbing. 

 SCAPE : a leafless, or at most 1 -leaved, floral axis or peduncle arising 



directly from the root. 



