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GLOSSARY OF BOTANICAL TERMS. 



Rhizogenic. — Root-producing. A term ap- 

 plied to the cells in the pericambium, just 

 in front of a xylem ray of a fibro-vascu- 

 lar bundle, which give origin to root- 

 branches. 



Rhizoids. — Organs resembling roots but 

 simpler in structure, borne by some Thal- 

 lophytes. 



Rhizome, or Rhizoma. — A root-stock or 

 subterranean stem. 



Rhizomorphous. — In shape and appear- 

 ance like a root. 



Rhomboidal. — Shaped like a rhomb. A 

 term sometimes applied in leaf descrip- 

 tion. 



Rimose. — Cracked or chinked, as the bark 

 of many trees. 



Ringent. — Gaping. Applied to labiate 

 flowers with widely parted lips. 



Riparius. — Growing along river-banks. 



Rivalis. — Growing beside brooks. 



Rosaceous. — Rose-like. A botanical term 

 descriptive of flowers that have five 

 spreading, clawless or short-clawed pet- 

 als, as the flowers of the Apple, Rose, etc. 



Rostrate. — Beaked, or possessing a beak- 

 like point, as certain anthers. 



Rotate. — Wheel-shaped. 



Rotund. — Having a rounded outline. 



Rueous. — Brownish-red. 



Rugose. — Applied to a surface that is rough 

 or wrinkled. 



Ruminated. — Applied to the albumen of 

 seeds when channeled or perforated with 

 holes. 



Runcinate. — Applied to a leaf like that of 

 the Dandelion that is pinnately incised or 

 cleft and has the segments hooked back- 

 ward. 



Runner. — A stem or branch like that of the 

 Strawberry, that creeps along the ground, 

 rooting at intervals. 



CACCATE.— Applied to corollas that have 

 a sac-like projection on the tube. 



Sacculate. — With small, sac-like projec- 

 tions. Diminutive of saccate. 



Sagittate. — Arrow-shaped. Applied to 

 leaves that are shaped like the head of an 

 arrow. 



Samara. — An indehiscent dry fruit pro- 

 vided wilh a wing-like appendage, as the 

 fruits of the Ash and Elm. 



Saprophyte. — A chlorophylless plant which 

 derives its sustenance from decaying or- 

 ganic matters. 



Sarcocarp. — The fleshy part of a drupace- 

 ous fruit. 



Sarcode. — A term applied by Dujardin to 

 the protoplasm of cells. 



Sarment. — A long, slender stolon or 

 branch. 



Sarmentose, Sarmentous.or Sarmenta- 

 ceous. — Bearing sarments. 



Scabrous. — Rough or harsh to the touch. 

 Applied to leaves, etc. 



Scalariform. — Ladder-like. Applied to 

 ducts or tracheids whose markings re- 

 semble the rounds and spaces of a ladder. 



Scandent. — Climbing. Applied to stems 

 that climb by means of organs modified 

 for the purpose. 



Scape. — A naked, or nearly naked, flowering 

 stem that springs from a root or rhizome. 



Scapigerous. — Bearing scapes. 



Scarious. — Dry, membranous. Applied to 

 parts of flowers, etc. 



Schizocarp. — A pericarp that dehisces into 

 two or more one-seeded indehiscent meri- 

 carps. 



Scion. — A twig or young shoot. 



Sclerenchvma. — Hard bast, or bast- 

 fibers. Used by some in a more extended 

 sense, to include all sorts of lignified 

 fibrous cells or cell derivatives. 



Sclerogen. — A name for the hard matter 

 deposited in sclerotic or stone cells. 



Sclerotium. — A compact mass of hyphae 

 filled with nourishment and constituting a 

 dormant or resting-stage in the develop- 

 ment of some fungi. 



Scorpioid. — Curved like the tail of a scor- 

 pion. Applied to certain cymes like those 

 of the Forget-me-not and Heliotrope. 



Scrobiculate. — Possessing minute or shal- 

 low depressions. 



Scutate. — Shaped like a buckler. 



Scutellum. — A shield-shaped expansion of 

 the hypocotyl in grasses, which serves to 

 absorb nutriment from the endosperm. 



Secund. — Applies to flowers or other organs 

 that are arranged along one side of a. 

 lengthened axis. 



Secundine. — The inner coat of the ovule. 



Semi-anatropous. — The same as amphitro- 

 pous. 



Semi-terete. — Half-cylindrical. Applied 

 to some petioles, stems and leaves. 



Skminal. — Belonging to the seed. 



Sepal. — One of the leaves of the outer 

 whorl of floral organs. 



Sepai.oid. — Like a sepal. 



