GLOSSARY. 



431 



Rhiznnthous(-us). Root-flowered ; flower- 

 ing from the root or seeming root. 



Rhizina. The peculiar roots or root- 

 hairs of Mosses, Lichenes, &c. 



Rhizocarpous (-us). Rltizocarpic (-icus). 

 Literally root-fruited; used by De- 

 Candolle for a perennial herb. 



Rhizome, Rhizoma. A rootstock; a 

 stem of root-like appearance pros- 

 trate on or underground, from which 

 rootlets are sent off; the apex pro- 

 gressively sending up herbaceous 

 stems or flowering stalks and often 

 leaves; 56. 



Rliizomoiphous (-us). Root-like in ap- 

 pearance. 



Rhombic (-icus). Rhomb-shaped. 



Rhomboidal (-alts). Approaching a 

 rhombic outline; quadrangular, with 

 the lateral angles obtuse. 



Rib. A primary and strong vein or 

 conspicuous portion of the framework 

 of a leaf; 92. 



Ribbed. Furnished with prominent 

 ribs. 



Rictus. The mouth or gorge of a bila- 

 biate corolla. 



Rima. A chink or cleft. 



Rimose (-osus). With chinks or cracks, 

 like those of old bark. 



Ring. In Ferns, &c. See Annulus. 



Rinyent (-ens). Grinning or gaping ; as 

 is the mouth of an open bilabiate 

 corolla; 248. 



Riparius. Growing along the banks of 

 rivers, &c. 



Rlvulls. Growing along brooks. 



Rivularis. Growing in watercourses or 

 rivulets. 



Root. The descending axis. Roots are 

 axes which grow in the opposite di- 

 rection from the stem, are not com- 

 posed of nodes and internodes, are 

 mostly developed underground, and 

 absorb moisture, &c., from the soil; 

 27. 



Root-cap, 13, 28. 



Root-hairs. Attenuated unicellular 

 outgrowths or hairs from the newly 

 formed parts of a root, for absorp- 

 tion; 13, 29. 



Rootlet. A very slender root or branch 

 of a root. 



Rootstock. See Rhizoma; 5fi. 



Roridus. Dewy; covered with particles 

 resembling drops of dew. 



Rosaceous (-evs). Arranged like the 

 five petals of a normal rose; 24G. 

 Sometimes used for rose-color. 



Roseus. Rose-colored; pale red. 



Rostellate (-atus). Diminutive of Ros- 

 trate. 



Rostellum. A diminutive beak. Also 

 the name applied by Linnaeus to the 

 Caulicle or Radicle. 



Rostrate (-atus). With a Rostrum, a 

 beak or spur; narrowed into a slender 

 tip or process. 



Rosular, Rosulate (-atus). Collected in 

 a rosette. 



Rotate (-atus). Wheel-shaped; circular 

 and horizontally spreading very flat ; 

 248. 



Rotund (Rotundus, Rotundatus). Round- 

 ed in outline: 95. 



Rough, Roughish. See Scabrous. 



Rubillus, Rubescent (-ens), Rubens. Red- 

 dish. Rubescent also is turning red. 



Ruber. Red in general. 



Rubicundus Blushing, turning rosy- 

 red. 



Rubiginose (osus) Brownish rusty-red. 



Ruderal (-alls). Growing in waste places 

 or among rubbish. 



Rudiment. An imperfectly developed 

 and functionally useless organ; a 

 Vestige. 



Rufous (-us), Rufescent (-ens). Pale 

 red mixed with brown. 



Rugose (-osus). Covered or thrown into 

 wrinkles, Ruyce. 



Ruminated (-atus). As if chewed ; said 

 of the albumen of a nutmeg, &c. ; 311. 



Runcinate (-atus). Saw-toothed, or 

 sharply incised, the teeth or incisions 

 retrorse. 



Runner. A prostrate filiform branch 

 which is disposed to root at the end 

 or elsewhere ; 53. 



Running. Same as Repent. 



Rupestris, Rupicola. Growing on rocks 

 or in rocky places. 



Ruptilis. Bursting irregularly. 



Rusty. Same as Rubiginose, Rufescent, 

 and Ferruginous. 



Rutilans. Deep red with u metallic 

 lustre. 



Snbulosus. Growing in sandy places. 

 Saccate (-atus); Sacciform. Sac-shaped; 



baggy. 

 Sagittate (-atus). Snyitttform (-ormis). 



Arrow-head-shaped. 

 Sahuninosus. Growing within reach of 



salt water. 

 Salver-fihapcd. See Hypocraterimor 



phous; 248. 



