188 



INDEX AND GLOSSARY. 



Siliquo'is, bearing siliques (as the Cruci- 



fers). 

 Silver-grain (of wood), 707. 

 Simple, of one piece, not compound. 

 Sinistrorse, twining from right to left. 



Fig. 50. 

 Sinuate, 270. Slips, 158. 

 Soil, 837. 



Solitary, growing alone, or singly. 

 Sori, patches of fruit in ferns, G32. Fig. 488. 

 SpadLcinorae, 904. Spadix, 347. 

 Spathe, Spathaceous, 336. 

 Spatulate (leaf), 266. 

 Species, 76, 888. Specific name, 75. 

 Specimens (of plants), 53, 56. 

 Spermatozoid, 633. Fig. 497, 553. 

 Spike, Spicate, 34G. 

 Spikelet, a little spike, as in a grass. 

 Spine, a woody thorn, 316. 

 Spindle-shaped (root), 127. Fig. 27. 

 Spiral arrangement (of leaves), 228. 

 Spiral cells or vessels, 651. 

 Spongelet, Spongiole, 118. 

 Sporange, 632. Spores, 630. 

 Sporidia, 630. Sporules, 635. 

 Sporogamia, 906. 



Spur, a projecting, slender appendage, 434. 

 Sijuarrous, spreading widely, as the in- 



volucral scales of some Composites. 

 Stamens, 404, 491. Staminate flower, 



421. 

 Staminodia, 436, 502. 

 Starch, 658, 748, 750. 

 Stem, or Ascending Axis, 146. 

 Sterile, not bearing seeds, 421. 

 Stigma, Stigmatic, 515. 

 Stipe, the stalk of the ovary or ovaries ; 



also, the stem of a mushroom. 

 Stipels, Stipellate, 250. 

 Stipules, Stipulate, 240, 247. 

 Stolon, 157. Stoloniferous, producing 



stolons. 

 Stomata, 678, 732. Figs. 582-586. 

 Strap-shaped, flat, narrow and straight. 

 Strict, erect and very straight. 

 Strigous, with sharp, close, rigid hairs. 

 Strobile (fruit), 578. 

 Strophiolate, having an appendage (stro- 



phiole or caruncle) about the hilum. 

 Style, 575. Styloid, style-like. 

 Sub (in composition), 302. 

 Suberous, corky in texture. 

 Subulate, awl-shaped, 277. 

 Succulent, very juicy and cellular. 

 Sucker, 156. 



Suffrutescent, woody at the base only. 

 Sulcate, furrowed. 

 Superior, 465, 468. 



Superior calyx, calyx adherent to ovary, 

 Superior ovary, calyx freo from ovary. 

 Supervolute, 394. 



Supra-axillary, situated above the axfl. 

 Supradecompound, very much divided. 

 Suspended (ovule), 534. Figs. 414, 419. 

 Suspensor (of the embryo), 758. Fig. 608. 

 Siitural (dehiscence), 550. 

 Sword-shaped, as the vertical leaves of Iris. 

 Syconus, fruit, such as the Fig. 580. 

 Symmetry (of the flower), 410, 412. 

 Syn (in Greek compounds), together, 



union. 

 Syncarpium, 579. 



Syngenesia, Syngenesious, 877, 506. 

 Synonyms, 914. 



Taper-pointed. See Acuminate, 283. 



Tap-root, 124, 142. 



Tawny, fulvous, dull yellowish brown. 



Taxonomy, the science of classification. 



Tegmen, the inner seed-coat, 535, 583. 



Tendril, 313, 178. 



Teratology, 380. 



Terete, cylindrical or nearly so. 



Term of Plant Life, 83, etc. 



Terminal, situated at the end or apex. 



Terminology, 44. 



Ternate (leaves), in threes, 288. 



Tessalated, checkered, as a pavement. 



Testa, the outer seed coat, 535, 583, 4. 



Tetra (in Greek composition), four. 



Tetradynamous, 505. Tetradynamia, 877. 



Tetragonal, with four corners. 



Tetragynous, with four pistils. 



Thalamitiorse, 902. 



Thallogamia, 906. 



ThalloR-ens, 722, 899. 



Thallus, 627. 



Thecaspores, 630. Theca, Thecse, 632. 



Thorn, 317. 



Throat, the orifice of a monopetalous cor- 

 olla. 



Thyrse, 353. 



Tomentous, with short, dense, woolly 

 hairs. 



Top-shaped, inversely conical. 



Torus, same as Receptacle, 336, 397. 



Trachenchyma, 668. 



Tree, 96. 



Tri (in Greek compounds), three. 



Triadelphous, the stamens in three sets. 



Triandria, Triandrous, 877. 



Trigynous, three-styled, 513. 



Tricoccous (fruit), with three one-seeded 

 carpels. 



Tricolored, with three colors. 



Triennial, lasting three years. 



Tririd, split half-way into three parts. 



Trifoliate, with three leaflets. 



Trilobate, having three lobes. 



Trimerous, 3-parted, 418. 



Tripartiblo, separable into three parts. 



Triple-veined, 261. Fig. 118. 



