478 GLOSSARY OF 



Scarious. Having a thin, membranous margin. 



Scions. Lateral snoots or off-sets from the root. 



Scrobiculate. Covered with deep, round pits. 



Seed vessel. A vessel enclosing the seed. 



/Seed. That part of the plant with propagates the species. 



Segment. A part or principal division of a leaf, calyx, or corolla. 



Semibivalvular. Half divided into two valves. 



Seminal leaves. The first leaves of a plant, or those formed from the co- 

 tyledons. 



Sepals. The segments of the calyx. 



Sericeous. Silky. 



Serrate. Notched like the teeth of a saw, the points tending upward ; 

 as in the Strawberry and Rose leaves, Fig. 47. 



Serrulate. Minutely serrate. 



Sf.s&ile Placed immediately on the stem, without the intervention of a 

 stalk as the leaves of the iSpigelia Marllandica, Fig. 73. 



Setaceous. Bristle- like. 



Sheath. A tubular or folded leafy portion, enclosing the stem. 



Silicic. A seed vessel constructed like a silique, but not longer than it is 

 broad, Fig. 134. 



Silique. A long pod or seed vessel of two valves, having its seed attached 

 to the two edges alternately, Fig. 134. 



Sili(juose. Having siliques. 



Simple. Not divided, branched, or compounded. 



Sinuate. Having sinuses at the edge, Fig. 42. 



Sinus. A large rounded indentation or cavity. 



Sori. Plural of Sorus. The most common fruit of ferns, consisting of 

 small clusters of minute capsules on the back of the leaf. 



Spadix. An elongated receptacle of flowers, commonly proceeding from 

 a spathe ; as in Arum triphyllum, Fig. 130. 



Spathe. A sheathing calyx opening lengthwise on one side, and con- 

 sisting of one or more valves. See Spadix. 



Spatulate, or spathulate. Obtuse or large at the end, and gradually ta- 

 pering into a stalk at base ; as in the leaves of Statice Caroliniana. 



Species. A group or subdivision of plants agreeing with each other not 

 only in their fructification, but in all other essential and permanent 

 parts ; and always reproducing the same kind. 



Specific. Belonging to a species only. 



Spike. A kind of inflorescence in which the flowers are sessile or nearly 

 so on the sides of a long peduncle, Fig. 128. 



Spikclet. A small spike. 



Spindle-shaped. See Fusiform, Fig. 1. 



Spine. A thorn, or sharp process growing from the wood, Fig. 90. 



Spur. A sharp hollow projection from a flower, commonly the nectary, 

 Fig. 118. 



Squamiform. Scale-shaped. 



S(ftiarrose or squarrous. Ragged. Having reflected or divergent scales. 



Stamen. The part of the flower on which the Linnaean classes are found- 

 ed. It commonly consists of the Jilament, or stalk, and the anther 

 which contains the pollen, Fig. 97. 



Stamina te. Having stamens, but no pistils. 



Standard. See Banner, Fig. 116. 



Stellate. Like a star, Fig. 79. 



Stem. A general supporter of leaves, flowers, and fruit. 



Stemlcss. Having no stem, properly so called, but only a scape, Fig. 21. 



