GLOSSARY 205 



Sinus. The space between two lobes of a blade. 



Spatulate. Spatula- shaped or spoon-shaped. 



Spine. A sharp outgrowth from the stem. 



Spinulose. With small, sharp spines. 



Spreading. (Of pubescence) The hairs erect, suberect, or ascend- 

 ing. 



Spur-shoots, Short stubby branches with greatly crowded leaf 

 scars and very slow growth. 



Stalk. The unexpanded, basal part of a leaflet. 



Stellate, (Of pubescence) With three or more radiating branches 

 from the ends of the hairs. 



Sterigmata. Very small leaf stalks of certain conifers. 



Stipule. One of a pair of appendages at the base of a petiole, often 

 adnate to it. 



Stipule-scar. Small marks or lines left by deciduous stipules. 



Stolon. A runner, or any basal branch that roots at the nodes. 



Stoloniferous. With stolons. 



Striate. Marked with fine longitudinal lines. 



Strigose. With appressed or ascending stiff hairs. 



Subacuminate. Somewhat acimiinate. 



Subacute. Acutish, somewhat acute, 



Suborbicular, Nearly orbicular. 



Subpinnatifid. Nearly pinnatifid. 



Subulate, Awl- shaped. 



Succulent. Juicy. 



Superposed. Said of extra buds which appear above the true 

 axillary buds; usually flower buds. 



Tapering. Gradually becoming smaller in diameter or width to- 

 ward one end. 



Tendril. A long, slender, coiling structure serving as the organ 

 of attachment in some climbing plants. 



Terete, Circular in cross section. 



Terminal. Applied to the end bud beyond which no further growth 

 takes place normally until the following season. 



Ternate, Divided into three segments; 3-foliate. 



Thorn. A stiff, woody sharp-pointed structure which represents 

 a modified branch. 



Tomentose, Densely pubescent with soft, matted hairs. 



Truncate, Ending abruptly as if cut off transversely. 



Tuber, A thick, short, underground branch or part of a branch, 

 with many buds. 



Tuberous. With tubers, 



Uinbel, An inflorescence with the flowers arising at the same point. 



Umbo, A small scar on the apophysis of a cone scale of a conifer. 



Unarmed. Without thorns, spines, or prickles. 



Undulate. With a wavy margin; repand, 



Valvate. Said of buds in which the scales merely meet at the edges 

 without overlapping. 



