BOTANICAL TERMS. 



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Radii, spokes ; the fruit-stalks of an umbel. See Umbella. 



Radius, the semi-diameter of a circle. 



Radix, root ; the lower part of the plant, generally hid below 

 the surface o the earth, to attract the moisture from the 

 soil, and communicate it to the other parts of the plant. 



Rameus, belonging to a branch. 



Ramus, a. branch. 



Ramulus, the branch of a branch. 



Receptacle. See Receptaculum. 



Receptaculum, (receptacle) one of the seven parts of fructifi- 

 cation, denned by Linneus to be the base which connects 

 or supports the other parts. 



Reclinatus, reclining. 



Reclining, (reclinatus) bent back a little, so that the ex- 

 tremity is lower than the base. 



Rectus, straight. 



Recurvatus, recurved, or bowed back. 



Reflexus, reflected ; bent back rather angularly, as the petals 

 of the fleur-de-lis. 



Refractus, bent back as if broken. 



Regular (regularis) blossom ; one that is regular in the 

 figure, size, and proportion of its parts. 



Remote (remotus) whirls ; when there is a considerable 

 length of stem between each whirl. 



Renifornie, kidney-shaped. 



Repandum, wavy, bent backwards. 



Repens, Reptans, creeping. 



Replicatus, folded or plaited, so as to form a groove or 

 channel. 



Resupinatum, horizontally turned upside-down. 



Reticulata, veined like net-work. 



Retrofactus, broken back. 



Retrorsum serratum, inversely serrated. 



Retrorsiim sinuatum, crookedly bent back. 



Retusum, (retuse) bluntly notched at the end, and some- 

 times merely blunt. 



Revolute, turned or rolled back. 



Rhombeous, or Rhomboid, diamond-shaped. 



Rhombvideous, rhomboidal; nearly diamond-shaped, but 

 broader one way than the other. 



Rigid, (rigidus) stiff, not easily bent. 



Rimose, full of cracks. 



Ring, (annulus.) 



Ringent, gaping or grinning. 



Rising, upwards, differs from ascending, in first inclining 

 downwards, and then rising upwards. 



Rod-shaped, (virgatus) having many slender and nearly 

 straight parallel branches or shoots. 



Rolled back, (revolutus) with respect to the leaf in general 

 means rolled downwards like the leaves of Sweet- 

 william. 



Root. See Radix. 



Root-leaves, (radicalia) theleaves which proceed immediately 

 from the root, without the intervention of the stem. 



Rostellum, the scaly part of the corculum, or embryo of the 

 seed, which shoots downward into the soil, and becomes 

 the root. 



Rostratum, having a bill. 



Rostrum, a bill or beak. 



Rotula, wheel-shaped (blossom.) 



Rough, asper. 



Round. See Globular. 



Round, (obicularis) rough and flat. 



Ruffle, or Ring ; the part of the curtain of an Agaric, which 

 adheres to the stem after the outer part of it has vanished. 



Rugose, rugged or wrinkled. 



VOL. I. 3. 



Burner, (flagellum) a barren twig or shcot, lying upon the 

 ground, as in the garden Strawberry, and Stone Bramble : 

 they are sometimes called wires. 



Runcinated, notched. 



Rundle. Sec Umbel. 



Rundlet. See Umbellule. 



Running, along the stem. See Decurrent. 



Sagittated, arrow-shaped. 



Salver-shaped, (hypocrateriformis) the shape of a blossom of 

 one petal, the lower part of which is tubular, the upper 

 flat, and expanded; as in the blossom of the Peri- 

 winkle. 



Sapor, taste ; which is too uncertain to be of any utilty in 

 discriminating plants. 



Sarmentose, having runners. 



Saucer, (scutellum) like a china saucer ; a circular and con- 

 cave fructification of some of the lichens. 



Scaber, rough like a file. 



Scabridce, plants with rough leaves. 



Scabrities, roughness. 



Scabrous, rough, rugged. 



Scaly, (squamosus) like the skin of a fish. 



Scandent, climbing. 



Scape, stalk ; such as supports the flower, but not the leaves 

 of a plant, and rises immediately from the root. 



Scariose, skinny. 



Scarred, (cicatrisatus) marked with scars, where the leaves 

 ha\e fallen off. 



Scattered, disposed without any regular order. 



Scolloped, (crenatus) as the leaves of bird's-eye and gill. 



Scored, (striatus) marked with superficial parallel lines, as 

 the cup of a pink. 



Scrobi/orm, like fine saw-dust. 



Scrotiform, purse-shaped. 



Scurfy, (squarrosus) applied to a cup in compound flowers, 

 the scales of which are bent outwards at the end, so as 

 to give the whole a rough, ragged appearance. 



Scymetar-shaped leaf, (acinaciforme) a long fleshy leaf, thick 

 and straight at one edge, thin and arched at the other. 



Scyphifer, glass-shaped, as the fructification of some of the 

 lichens. 



Seam, or suture, the line formed by the union of the valves, 

 of a. seed-vessel. 



Secttnd, pointing one way. 



Securiform, axe-shaped. 



Seed, see Semen; a deciduous part of a vegetable, contain- 

 ing the rudiments of a new plant. 



Seed-bud. See Germen. 



Seed-coat, (axillus) the proper coat of a seed which falls off 

 spontaneously. 



Seed-cover, (calyculus) the real cover of the seed. 



Seed-lobes, (cotyledones) the perishable parts of a seed, de- 

 signed to afford nourishment to the young plant when it 

 first begins to expand. 



Seed-vessel. See Pericarp. 



Segment, (lacinium) the small parts of a leaf, cup, or petal, 

 included between the incisions. 



Semen, seed ; the essence of the fruit of every vegetable, 

 containing the rudiments of a new vegetable, and fer- 

 tilized by the sprinkling of the male dust. 



Semi-cylindrical (semi-teres :) if the trunk of a tree was sawn 

 lengthwise through the middle, each part would be semi- 

 cylindrical. 

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