GLOSSARY AND INDEX. 221 



Shrub, Shrubby, 39- 



Sieve-cdU, 140. 



Sigmoid, curved in two directions, like the letter S, or the Greek nyma. 



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



Siliculose, bearing a silicic, 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, 65. 



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. not pa 



Descent. 



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-bearme. 

 Spadix, a fleshy spike of flowers, 75. 

 Span, 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 iuwraps an inflorescence, 76 

 Spntulate, or Spatltulate, shaped like a spatula, 6'i 

 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. 



Spike, 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, 8fl 

 Spinescent, tipped by or degenerating into a thoru. 

 Spinose, or Spiniferous, 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 cf Cryptogamous plants, in them 



the analogue of a seed. 

 Spore-case (Sporangium), 158. 

 Sporocarp, 162. 



Sport, a newly appeared variation, ITfi. 

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

 Spumescent, appearing like froth. 

 Spur, any projecting appendage of the dower, booking like a spur but hollow, as 



that of Larkspur, fig. 239. 

 3gvamate, Squamose, or Squamaceoiu. furnished with scales (.squama). 



