236 EUCALYPTUS. 



Rarmtlose : full of branchlets (ramuli}. 



Raphe : see rhaphe. 



Ray : the marginal flowers of a head or cluster, when different from the 



rest, especially when ligulate, and diverging (like rays or sunbeams); 



the branches of an umbel, which diverge from a centre. 

 Receptacle : the axis or support of a flower; the common axis or support 



of a head of flowers. 



Reclined : turned or curved downwards; nearly recumbent. 

 Recurved : curved outwards or backwards. 



Reduplicate (in aestivation): valvate with the margins turned outwards. 

 Reflexed : bent outwards or backwards. 



Refracted : bent suddenly, so as to appear broken at the bend. 

 Regular : all the parts similar. 

 Reniform : kidney-shaped. 

 Repand : wavy-margined. 



Repent: creeping, i. e., prostrate and rooting underneath. 

 Replum : the persistent frame of some pods (as of Prickly Poppy and 



Cress) , after the valves fall away. 



Reproduction, organs of: all that pertains to the flower and fruit. 

 Resupinaie : inverted, or appearing as if upside down, or reversed. 

 Reticulated : the veins forming network. 

 Retroflexed : bent backwards; same as teflexed. 

 Retuse : blunted; the apex not only obtuse, but somewhat indented. 

 Revolute : rolled backwards, as the margins of many leaves. 

 Rhachis (the backbone): the axis of a spike, or other body. 

 Rhaphe : the continuation of the seed-stalk along the side of an anatrop- 



ous ovule or seed. 

 Rhapides : crystals, especially needle-shaped ones, in the tissues of 



plants. 



Rhizoma : a rootstalk. 

 Rhombic: in the shape of a rhomb. Rhomboidal : approaching that 



shape. 



Rib: the principal piece, or one of the principal pieces, of the frame- 

 work of a leaf ; or any similar elevated line along a body. 

 Ring : an elastic band on the spore cases of Ferns. 

 Ringent : grinning; gaping open. 

 Rootlets: small roots, or root-branches. 



Rootstock : root- like trunks or portions of stems on or under ground. 

 Rosaceous : arranged like the petals of a rose. 

 Rostellate : bearing a small beak (rostellum'}. 

 Rostrate : bearing a beak (rostrum] or a prolonged appendage. 

 Rosulate : in a regular cluster of spreading leaves, resembling a full or 



double rose, as the leaves of Houseleek, etc. 

 Rotate: wheel-shaped. 

 Rotund : rounded or roundish in outline. 



