430 



GLOSSARY. 



so called in descriptive botany, is the 

 hypocotyledonary and primal inter- 

 node. (See Caulicle); 10. 



Radiculose (-osus). Bearing rootlets. 



Radix. The root. 



Rameal (-alis), Rameus. Belonging to 

 (Ramus) a branch. 



Ramenta. Thin chaffy scales belonging 

 to the surface or epidermis, such as 

 the chaff on the stalks of many Ferns. 



Ramification. Branching; 47. 



Ramiflorous (-us). Flowering on the 

 branches. 



Ramose (-osus). Branching or branchy. 



Ramulose ( - osus ). Bearing many branch- 

 lets, i. e. Ramuli or 



Raphe. See Rhaphe. 



Rdphides or Rhaphides. Crystals in 

 the cells of plants, especially needle- 

 shaped crystals. 



Ray (Radius). One of the radiating 

 branches of an umbel (147); also the 

 marginal as opposed to the central part 

 (or disk) of a head, umbel, or other 

 flower-cluster, when there is a differ- 

 ence of structure. Also used as an 

 abbreviated expression for 



Ray-flowers. Those which belong to 

 the margin of a circular flower-clus- 

 ter, and differ from (being usually 

 larger than) those of the disk. 



Recaulescence. The adhesion of leaves 

 or their stalks to a stem ; 158. 



Receptacle (Receptdculum). A portion 

 of axis forming a common support or 

 bed on which a cluster of organs is 

 borne. The receptacle of the flower, 

 or the torus, is the axile portion of a 

 blossom, that which bears sepals, 

 petals, stamens, and pistils ; 167, 211. 

 The receptacle of inflorescence is the 

 axis or rhachis of the head, spike, or 

 other dense cluster ; 143. 



Reclinate (-atus), Reclined, Reclining. 

 Falling or turned toward downward, 

 so that its upper part rests on the 

 ground or other object; 53, 133. 



Rectinervius. Straight-veined or straight- 

 nerved; 92. 



Rectiserial (-ialis). Tn rectilinear ranks ; 

 124. 



Recurved (-us), Recurvatus. Curved 

 backward or downward. 



Reduplicate (-atus) or Reduplicativus. 

 Folded and projecting outward. 



Reflexed (-us). Abruptly bent or turned 

 downward or backward. 



Refracted (-us). Same as reflexed, but 

 abruptly bent from the base. 



Regma. A two-several-lobed two- 

 several-celled fruit (2-pluricoocous), 

 which separates at maturity into as 

 many 2-valved carpels, as in Euphor- 

 bia ; one form of Schizocarp. 



Regmacarp (-arpium). A general name 

 of a dry and dehiscent fruit , 292. 



Regular (-am). Uniform in shape or 

 structure; symmetrical as respects 

 shape; 175. 



Reniform (-ormis). Kidney-shaped; 

 having the outline of the longitudinal 

 section of a kidney ; 96. 



Repand (Repandus). With slightly un- 

 even margin, which, if more pro- 

 nounced, would be sinuate ; 98. 



Repent (Repens). Creeping, i. e. pros- 

 trate or horizonal and rooting ; 53. 



Replicate (-atus), Replicativus. Folded 

 backward. 



Replum. A frame-like placenta (like 

 a door-case), from which the valves 

 of a capsule or other dehiscent fruit 

 fall away in dehiscence, as in Cruci- 

 ferse, certain Papaveracese, Mimosa, 

 &c.; 293. 



Reptant (Reptans). Same as Repent. 



Resupinate. Upside down, or having 

 that appearance. 



Rete. Network. 



Reticulated (-atus), Retiformis. In the 

 form of network ; netted. 



Reticulate-veined, 92. 



Retindculum. Name sometimes applied 

 to the gland to which one or more 

 pollinia are attached in Orchids, &c. 

 The persistent and indurated hook- 

 like funiculus of the seeds in most 

 Acanthaceae. 



Retinerved (-ius). Same as Reticulate- 

 veined. 



Retrocurved (-us). Same as Recurved. 



Retroflexed (-us). Same as Reflexed. 



Retrorse (-orsus). Directed backward or 

 downward. 



Retroverted (Retroversus). Inverted. 



Refuse (Retusus). With a shallow or 

 obscure notch at a rounded apex ; 97. 



Reversion. A changing back, or in the 

 reverse direction ; 171. 



Revolute (-utus). Rolled backward from 

 the margins or apex; 133. 



Rhachis. The axis (backbone) of a 

 spike or of a compound leaf; 101, 143. 



Rhaphe. The adnate cord or ridge 

 which in an anatropous ovule con- 

 nects the hilum with the chalaza; 

 279, 307. 



Rhipidium. A fan-shaped cyme ; 156. 



