54 



GLOSSARY OR DICTIONARY OF BOTANICAL TERMS. 



Raceme, an inflorescence with nearly equal 

 secondary axes along the primary one, 

 Fig. 38, p. 26. 



Radiate, furnished with ray-flowers. 



Radical, proceeding from the root, as radi- 

 cal leaves. 



Radicle (or caulicle), the stem part of the 

 embryo, p. 45. 



Ray, the marginal flowers of a head, when 

 ligulate or different from the others. 



Receptacle, the axis or support of a flower, 

 p. 25. 



Regular (flower), with all parts of each set 

 alike, p. 37. 



Repand, wavy-margined, p. 19. 



Retuse, "blunted and somewhat indented. 



Rhachis, the axis of a spike or other body. 



Rhizome (or rootstock), a creeping subter- 

 ranean stem, Fig. 15, p. 11. 



Ribs (of leaves), p. 17. 



Ringent, gaping open. 



Root, pp. 4, 7. 



Root-hairs, Fig. 14, p. 8. 



Rootstock (or rhizome), a creeping subter- 

 ranean stem, Fig. 15, p. 11. 



Rostrate, beaked. 



Rotation of crops, p. 8. 



Runcinate, coarsely saw- toothed. 



Runner, a slender prostrate branch, root- 

 ing at the end or joints. 



Samara (or key -fruit), a winged achenium, 



Figs. 86,87, p. 42, 

 Sarcocarp, a thick, fleshy mesocarp, p. 



40. 

 Scabrous, rough to the touch. 

 Scales, reduced leaves, p. 17. 

 Scandent, climbing. 

 Scape, a peduncle rising from the ground 



or near it. 

 Scarious, thin, dry, and membranous. 

 Scorpoid cyme (or raceme), Fig. 51, p. 30. 

 Scutellate, saucer-shaped. 

 Secondary roots, p. 6. 



Secund, one-sided, as a one-sided raceme. 

 Seed, p. 44. 



Sepals, the separate leaflets of the calyx. 

 Septicidal (dehiscence), cells first separating 



from each other, then opening along 



their inner margin, p. 43. 

 Sericeous, silky. 

 Serrate, saw-toothed, Fig. 28, p. 19. 



Sessile, without a stalk, as a sessile leaf, 

 one without a petiole, p. 17. 



Setaceous, bristle-form. 



Sheathing, wrapped about the stem. 



Shrubs, woody plants under about twenty 

 feet in height, p. 12. 



Silicle, a short, broad silique, p. 43. 



Silique, the pod of the C'7'ucifera', Fig. 91, 

 p. 43. 



Simple leaf, Fig. 29, p. 20. 



Simple stem, one without branches, p. 10. 



Sinuate, strongly wavy, Fig. 28, p. 19. 



Spathe, a bract which enfolds an inflo- 

 rescence. 



Sptecics, p. 46. 



Spike, an inflorescence with flowers sessile 

 on the primary axis, Figs. 43, 44, pftfi8. 



Spine, a thorn. 



Spores, p. 46. 



Squarrose, with thickly set scales, leaves, 

 or other appendages, spreading widely 

 from the axis. 



Stamen, Fig. 59, p. 32. 



Staminate (flower), one with stamens but 

 without pistils, Fig. 46, p. 36. 



Standard, the upper petal of a papilionace- 

 ous flower. 



Stem (and branches), p. 9. 



Stigma, the part of the pistil on which the 

 pollen is deposited, Figs. 62, 75, p. 34. 



Stipe, the stem of a pistil when it has 

 any. 



Stipulate, furnished with stipules. 



Stipules, appendages at the base of certain 

 leaves, Figs. 32-34, p. 23. 



Stomata (stoma, singular), the breathing- 

 pores of leaves, Figs. 36, 37, p. 24. 



Stone-fruit, p. 41. 



Strict, close and narrow. 



Strobile, a multiple, cone-shaped fruit, like 

 that of the common hop. 



Style, the portion of the pistil between the 

 ovary and stigma, Fig. 62, p. 34. 



Sub-kingdom (of plants), p. 47. 



Succulent, juicy. 



Suffruticose, slightly woody, p. 12. 



Superior (calyx), enclosing the ovary, Fig. 

 71, p. 37. 



Symmetrical (flower), with the same num- 

 ber of parts in each set, p. 37. 



Syngenesious (stamens), with anthers unit- 

 ed into one set, Figs. 60, 61, p. 33. 



