GLOSSAEY. 



825 



Replum, a longitudinal division in a pod, 



formed by the placenta, as in Cruciferse. 

 Resupinate, inverted by a twisting of the 



stalk. 

 Reticulated, netted, applied to leaves having 



a network of anastomosing veins. 

 Retiform, like network. 

 Retinaculum, the glandular viscid portion at 



the extremity of the caudicle in some pollinia. 

 Retinervis and Retivenius, having reticu- 

 lated veins. 

 Retroese, turned backwards. 

 Retuse, when the extremity is broad, blunt, 



and slightly depressed. 

 Revolute and Revolutive, leaf with its 



edges rolled backwards in vernation. 

 RHiZA,'in words derived from the Greek, means 



root. 

 Rhizanth, same as Rhizogen. 

 RHI20CARP, applied to Marsilea, as producing 



spore-cases on root-like processes. 

 Rhizogen, a name applied to such plants as 



Rafilesia, which consist of a flower and root 



only. 

 Rhizome, a stem creeping horizontally, more 



or less covered by the soil, giving off buds 



above and roots below. 

 Rhizotaxis, the arrangement of the roots. 

 Rhomboid, quadrangular form, not square, 



with equal sides. 

 Rictus, the throat or chink in personate flow- 

 ers. 

 Ringent, a labiate flower, in which the upper 



lip is much arched. 

 Root-stock, same as Rhizome. 

 Rosaceous, applied to corollas having separate 



sessile petals like the Rose. 

 Rosette, leaves disposed in close circles form.- 



ing a cluster. 

 RosTELLUM, a peculiar body in Orchids, often 



cup-shaped, bearing the glands of the pollen- 

 mass, with its viscid balls attached. 

 Rostrate, beaked, having a long sharp point. 

 Rotate, a regular gamopetalous corolla with 



a short tube, the limb spreading out more or 



less at right angles. 

 Rotation or GyratioNj a peculiar circulation 



of the cell sap, seen in Hydrocharidaceas, 



Characeae, etc. 

 Rudimentary, an organ in an abortive state, 



arrested in its development. 

 Rugose, wrinkled. 



Ruminate, applied to mottled albumen. 

 Runcinate, a pinnatifid leaf with a triangular 



termination and sharp divisions pointing 



downwards, as in Dandelion. 

 Runner, a prostrate shoot rooting at the end ; 



a stoton. 



Saccate, forming a sack or bag, seen in some 



petals. 

 Sagittate, like an arrow, a leaf having two 



prolonged sharp-pointed lobes projecting 



downwards beyond the insertion of the 



petiole. 

 Salver-shaped. See Hypocraierifomt. 

 Samara, a winged dry fruit, as in the Elm. 

 Sarcocarp and Sarcoderm, the mesocarp of 



the fruit, having become succulent. 

 SarcolobEjE, cotyledons thick and fleshy, as 



in Bean and Pea. _ 

 Sarmentum, sometimes meaning the same as 



FiagelluTttj or runner, at other times applied 

 to a climbing stem which supports itself by 

 means of others, as in Vine. 



Scabrous, rough, covered with very stiff short 

 hairs ; Scabrinsculus, somewhat rough. 



ScALARiFORM, vcssels having bars like a ladder, 

 seen in Ferns. 



ScANDENT, climbing by means of supports, as 

 on a wall or rock. 



Scape, a naked flower-stalk, bearing one or 

 more flowers arising from a short axis, and 

 usually with radical leaves at its base. 



ScARious, having the consistence of a dry 

 scale, membranous, dry, and shrivelled. 



ScHizocARP, dry seed-vessel splitting into two 

 or more i-seeded mericarps. 



Scion, the young twig used as a graft. 



Sclerogen, the thickening matter of woody 

 cells. 



ScoBiFORM, in the form of filings, or like fine 

 sawdust. 



ScoBiNA, the flexuose rachis of some Grasses. 



ScoRPioiDAL, like the tail of a scorpion, a pe- 

 culiar twisted cymose inflorescence, as in 

 Boraginaceae. 



ScORPioiD Cyme, flowers arranged alternately 

 or in a double row along one side of a .false 

 axis, the bracts forming a double row on»$he 

 other side ; bracts often wanting. ^ 



ScROBicuLATE, pitted, having small [depres- 

 sions. 



ScuTELLATE, like a shield. 



ScuTELLUM, a sort of apothecium in Lichens. 



Secund, turned to one side. 



Secundine, the second coat of the ovule 

 within the primine. 



Segregate, separated from each other. 



Selp-Fertilisation, [pistil fertilised by the 

 pollen of the stamens in the same flower. 



Semi, half, same as the Greek Hemi, 



Semiflosculous, same as Ligulaie. 



Seminal, applied to the cotyledons, or seed- 

 leaves. 



Sepal, one of the leaflets forming the calyx. 



Septate, divided by septa or partitions. 



Septem, seven, in Greek Hepta. ■ 



Septenate, organs approaching in sevens ; a 

 compound leaf with seven leaflets coming off 

 from one point. 



Septicidal, dehiscence of a seed-vessel 

 through the septa or edges of the carpels. 



Septifragal, dehiscence of a Jseed-vessel 

 through the back of the loculaments, the 

 valves also separating from the septa. 



Septulate, having spurious transverse dissepi- 

 ments. 



Septum, a division in an ovary formed by the 

 sides of the carpels. 



Sericeous, silky, covered with fine, close- 

 pressed hairs. 



Serrate or Serrated, having sharp processes 

 arranged like the teeth of a saw. Biserrate, 

 when these are alternately large and small, 

 or where the teeth are themselves serrated. 



Serratures, pointed marginal divisions ar- 

 ranged like the teeth of a saw. 



Serrulate, with very fine serratures. 



Sesqui, in composition, means one and a half. 



Sessile, without a stalk, as a leaf without a 

 petiole. 



Seta, a bristle or sharp hair ; also applied to 

 the gland-tipped hairs of Rosaceas and 



