GLOSSARY AND INDEX. 221 



Shrub, Shrubby, 3& 



Sieve-cells, 140. 



Sir/moid, curved in two directions, like the letter S, or the Greek agma. 



Silicle, a pouch, or short pod of the Cress Family, 123. 



Stticulose, bearing a silicle, or a fruit resembling it. 



Silique, capsule of the Cress Family, 123. 



Siliquose, bearing siliques or pods which resemble siliques. 



Silky, glossy with a coat of fine and soft, close-pressed, straight hairs. 



Silver-grain, the medullary rays of wood, 139. 



Silvery, shining white or bluish-gray, usually from a silky pubescence. 



Simple, of one piece; opposed to compound. 



Sinistrorse, turned to the left. 



Sinuate, with margin alternately bowed inwards and outwards, 55. 



Sinus, a recess or bay; the re-entering" angle between two lobes or projections. 



Sleep of Plants (so called), 151. 



Smooth, properly speaking not rough, but often used for glabrous, i. e. net pn 



bescent. 



Soboliferous, bearing shoots (Soboles) from near the ground. 

 Solitary, single; not associated with others. 

 Sordid, dull or dirty in hue. 

 Sorediate, bearing patches on the surface. 

 Sorosis, name of a multiple fruit, like a pine-apple* 

 Sorus, a fruit-dot of Ferns, 159. 

 Spadiceous, chestnut-colored. Also spadix-bearing. 

 Spadix, a flesh}' spike of flowers, 75. 

 Spun, the distance between the tip of the thumb and of little finger outstretched, sis 



or seven inches. 



Spathaceous, resembling or furnished with a 

 Spathe, a bract which in wraps an inflorescence, 76. 

 Spatulate, or Spathul'ite, shaped like a spatula, 52. 

 Species, 175. 

 Specific Names, 179. 

 Specimens, 184. 



Spermaphore, or Spermophore, one of the names of the placenta. 

 Spermum, Latin form of Greek word for seed; much used in composition. 

 Spica, Latin for spike; hence Spicate, in a spike, Spiciform, in shape resembling a 



spike. 



SpiTce, an inflorescence like a raceme, only the flowers are sessile, 74. 

 Spikelet, a small or a secondary spike; the inflorescence of Grasses. 

 Spine, 41, 64. 



Spindle-shaped, tapering to each end, like a radish, 3ff , 

 Spinescent, tipped by or degenerating into a thorn. 

 Spinose, or Spiniftrous, thorny. 

 Spiral Vessels or ducts, 135. 

 Spithameous, span-high. 



Spora, Greek name for seed, used in compound words 

 Sporadic, widely dispersed. 

 Sporangium, a spore-case in Ferns, &c., 158. 

 Spore, a body resulting from the fructification of Cryptogamous plants, in them 



the analogue of a seed. 

 Spore-case (Sporangium), 158. 

 Sporocarp, 162. 



Sport, a newly appeared variation, 178. 

 Sporule, same as a spore, or a small spor*. 

 Spumescent, appearing like froth. 

 Spur, any projecting appendage of the flower, looking like a spur but hollow. a 



that of Larkspur, fig. 239. 

 ^quamate, Squamose, or Squamaceowt- furnished with scales (squama) 



