GLOSSARY 



Radical, said of leaves when springing 



up from the root-stalk. 

 Rhizome. See p. 4, and Figs. 11, 12. 



13, 35, 99. 

 Root-stock. S?> p. 5, and Figs. 36, 49, 



oJ, 6.1, 66. 71. 

 Rotate, a gamopetalous corolla vnth a 



short tube and a ver}- spreading limb. 

 Sagittate, leaves shaped like the 



barbed head of an arrow, the lobt?s 



pointing backwards. See Hastate. 

 Scape, a leafless flower-stem or peduncle 



springing from the root-stock, as in 



Tulips, Hyacinths, etc. 

 Sepals, the divisions of the oalyx. 

 Sessile, when leaves have no stalks 



(petioles'. 

 Setaceous, bristle-like. 

 Sinuate, having blunt lobes and notches 



alternately. 

 Sinus, a blunt or roundish indentation. 



as in the leaves of Bocconia, Sanguin- 



aria (Fig. 307), etc. 

 Spadix, a fleshy club-like organ bearing 



flowers, as in the Arum family. See 



p. 47, and Figs. 43-45, 56-5S, 61, 65, 



S3. 

 Spathie, a large white or coloured bract 



enclosing a spadix. Set Figs. 43, 44, 



45, 56, 57, 5S, S3. 

 Stamen, the male organ of a flower, 



usually composed of a stalk or fila- 

 ment and an anther or pollen sac 

 Staminode, a barren or antherless 



stamen. 



Stipules, leaf-like appendages at the 

 base of the leaf-stalk. 



Stigma, the sticky tip of the pistil on 

 which the pollen grains grow for 

 fertilising purposes. The stigma of 

 Irises are petal-like. St> Figs. 200 



Style, the stalk of the pistil between 

 the stig-ma and ovary. .<r(^ Fig. 31. 



Syncarpous. when the carpels are 

 united, and not free and distinct from 

 each other. 



Thallophytes. See p. 42. 



Tendril, a leaf or branch modified into 

 a slender organ for twisting round 

 supports. 5^>- Figs. 15'?, 160. 172. 173, 



Trichotomous. three-forked in suc- 

 cession. 



Tuber. 5.f p. 3. and Figs. 7, S, 9. 109. 



Tubercle, tubercule. a small tuber. 

 .v.. Figs. 74, 93. 



Umbel, when many stalked flowers 

 spring from one point and reach 

 about the same level See Figs. 95, 

 103, 104. 



Versatile, attached loosely at the 

 middle, as the anthers of Liliums. See 

 Figs. 234, 239, 244, etc. 



"Wliorl. when leaves, sepals, petals, etc., 

 are arranged in a circle round an axis. 



Zygomorphic. said of a flower that can 

 be bisected in two similar halves in 

 one plane only, as m Aconitum, 

 Fig. 37. 



463 



