GLOSSARY AND INDEX. 221 



Shrub, Shrubby, 39. 



Sieve-celts, 140. 



Sigmoid, carved 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 silicle, or a fruit resembling it. 



SUique, capsule of the Cress Family, 123. 



SUiquose, 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 Plant8~\so called), 151. 



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



bescent. 

 Boboliferous, bearing shoots (Snboles) 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-beanng. 

 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 iu wraps an inflorescence, 7o 

 Spatulate, or Spathulate, shaped like a spatula, 58 

 Species, 175. 

 Specific Names, 179. 



Specimens, 184. 



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



Bpermum, Latin form of Greek word for seed ; much used m composition. 



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

 spike. 



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



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



Spine, 41, 64. 



Spindle-shaped, tapering to each end, like a radish, 36 



Spinescent, tipped by or degenerating into a thorn. 



Spinose, or Bpiniferous, 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, 1T6 



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



Spumescent, appearing like froth. 



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

 that of Larkspur, fig. 239. 



^guamate, Sauamose, or Squamaceout. furnished with scales (.squama). 



