GLOSSARY OF BOTANICAL TERMS. 



42 7" 



to a calyx whose tube closely adheres to 

 the ovary, so that its limb, or spreading 

 portion, appears to spring from the top of 

 the latter. 



Supervolute. — That form of aestivation in 

 which the gamophyllous calyx or corolla 

 is both plicate and twisted, as in the 

 corollas of Stramonium and Morning- 

 glory. 



Suspended. — A term descriptive of the 

 position of the ovule when it hangs per- 

 pendicularly from the top of the ovary 

 wall. 



Suspensor. — A term applied to the chain of 

 cells formed by division of the germ-cell 

 in the embryo-sac previous to the forma- 

 tion of the embryo. See Pro-embryo. 



Suture. — A seam. Applied to the seams 

 of a pod or capsule. That suture is called 

 the 7'entral which corresponds to the line 

 of junction of the edges of the carpel or 

 of adjacent carpels ; and that is called 

 the dorsal which corresponds to the mid- 

 rib of the carpel. 



Swarm-shore. — A spore moving by means 

 of cilia. 



Syconium. — The peculiar multiple fruit of 

 the Fig, which consists of a fleshy, hollow 

 receptacle containing numerous achenium- 

 like fruits. 



Symmetrical. — Applied to flowers whose 

 whorls regularly alternate with each other 

 and agree in numerical plan. 



Sympetalous. — The same as gamopetal- 

 ous. 



Symphysis. — A coalescence or union of 

 parts 



Sympetalous. — The same as gamopetal- 

 ous. 



Synantherous. — The. same as syngenesi- 

 ous. Stamens coalescent by their anthers. 



Synanthesis. — The simultaneous maturing 

 of stamens and pistils in the flower. 



Syncarp. — A multiple fruit. 



Syncarpous. — Applied to pistils and fruits 

 when they are made up of two or more 

 united carpels. 



Syncotyledonous. — With coalescent cotyl- 

 edons. 



Synergid.*. — A term applied to the two 

 cells of the egg-apparatus that are asso- 

 ciated with the germ-cell in the embryo- 

 sac. 



Syngenesious. — A term applied to stamens 

 which are united by their anthers. 



Svnsepalous. — The same as gamosepalous. 



TAPETUM.-A term applied to the lining 

 membrane of the pollen-sac. 



Tap-root. — The main root, or downward 

 continuation of the plant axis. 



Taxonomy. — That portion of a science 

 which treats of classification and nomen- 

 clature. 



Tegmen. — The inner seed coat. (See En- 

 dopleura.) 



Teleutospore. — A peculiar kind of spore 

 produced by the Uredineae or Rusts late in 

 the season. 



Tendril. — A leaf, a portion of a leaf, or a 

 branch so modified as to serve the purpose 

 of a climbing organ. 



Teratology - . — The science of monstrosities 

 or malformations. 



Terete. — Nearly cylindrical. A term de- 

 scriptive of certain stems, leaves, pistils, 

 etc. 



Terminal. — Placed at the end, as terminal 

 buds. 



Ternate. — Applied to radiately compound 

 leaves that have three leaflets. 



Testa. — The outer coat or covering of the 

 seed. 



Tetradynamous. — Applied to stamens 

 when there are six in the flower, four of 

 them longer than the other two. 



Tetracarpellary. — Having four carpels. 



Tetracyclic. — Applied to a flower possess- 

 ing four whorls of floral organs. 



Tetramerous. — Applied to flowers con- 

 structed on the numerical plan of four. 



Tetrandous. — Possessing four stamens. 



Tetrapetalous. — Possessing four petals. 



Tetrasepalous. — Possessing four sepals. 



Tetrarch. — A term descriptive of radial 

 fibro-vascular bundles having four rays. 



Tetraspore. — Applied to one of the asex- 

 ual spores of the Red Marine Algae, the 

 spores usually occurring in groups of four. 



Tetrastichous. — In four perpendicular 

 rows. Applied to phyllotaxy. 



Thalamiflorous. — With the parts of the 

 flower inserted on the receptacle or hy- 

 pogynous. 



Thalamus. — The receptacle or torus. 



Thallus. — Applied to a plant body In which 

 there is no differentiation into root, stem 

 and leaves. 



Theca. — A capsule, a spore-case, or an 

 anther-cell. 



Thermotropism. — That property possessed 

 by some organs of bending toward or 

 away from a source of heaL 



