s Q tr 



SEGMENT. The parts into which a calyx, eorol, leaf, Sec. is divide4 

 or cut. 



SEiiicKus. See Silky. 



SERRATE, 16 



SERRULATE. When a serrate leaf has the teeth serrate again. 



SESSILE. Sitting clown. When a leaf, flower, seed-down, pileus of a 

 fungus, receptacle of a lichen, &c. are destitute- of a petiole, pedun- 

 cle, stipe, -'-'c. 



SETACEOUS. Bristle-form. 



SETOSE. Bristly, 



SHAHP Tapering 1 to a point. 



SUHATH. The lengthening' of a leaf down the stem, which it inclose^, 



SHEATHING, 17. 



SHIELDS, scutMae. That kind of receptacle of lichens, which is open, 

 orbicular, saucer-like. The underside and border i<re of the sub- 

 stance and colour oj Uie frond The disk is of a different colour 

 and substance from the border and frond, containing the seeds in 

 extremely minute vertical cells The shields are thick and tumid, 

 wnen they are sessile ; and membranous when stalked or elevated- 

 Very rarely they areperfora'ed in the centre. Smith. 



SILICJ.E. A little silique, whose length and breadih are nearly equal. 



SILIQ.UK, 11 



SILIQ.UK K 'WM. Shaped like a silique without its essential character* 



SILKY, 17. SIMPLE, 12. SINUATE, 16. 



SINUATE-SERRATE. Having senvtures hollowed out. 



SOLITARY. Standing alone or very distant from others of the sam$ 

 kind 



SOMEWHAT, Used as a diminutive ; implying in some degree, not 

 iul y. President Smith tranlaie sub, by somewhat, when combin- 

 ed with an adj.eciive ;.as subtrifidus, somewhat three-cleft. 



SPADIX, 12. 



SPASGLES. pa'.dlulx- Open and orbicular, like hields t but sessile, 

 and not formed o> any part of the crust, frnm whicij tliey diftV- JQ 

 colour being most usually black. The seeds are lodged beneath 

 the fm-mbrane that covers their disk, as in the former, and the 

 disk U surrounded by a proper bprder. Their seeds are observed 

 to be naked in the cellular suintauce of the di ,k not enclosed in 

 oa : s Ui k som timea concave or flat, oftener convex and evea 

 globose without any apparent b rder when in an advance-. i state. 



SPAT HP., iO 



SPATULATS. Roundish ajd diminishing into a long, narrow lineal? 

 base. 



SPIKE, 13. 



SPIKELET; Ore of the subdivisions of a spike. 



SriNDLKFOim, 14. 



SPINOSE. Thorny. 



SPIRAL. Twisted like a screv/. 



SPUR An elongated process from the base, or frnm near the base of 

 the calyx or coi'ol.or nectary, somewhat resembling * horn or cock's- 

 s;ur. 



BQ.UA.RKOSK. Ragged. When the points ;f scales, 8tc. bend outwards, 

 BO as to. make .1 ragged app^rance. It is also used for scurfy, o? 

 wheu covered with a bran-like scurf, 



