Glossary 



Panicle : a loose, lengthened compound flower-cluster, Fig. 1 7. 



Papilionaceous : of butterfly-shape. 



Perianth: calyx and corolla together, especially applied when 



they are colored alike. 

 Petal: leaf of corolla. 



Pinnate leaf: with leaflets along a branch-like stem, Fig. 2. 

 Pistil : the seed-producing organ, Fig. 13. 

 Pistillate : said of a flower bearing a pistil without stamens. 

 Pith : " marrow " of a stem. 



Polypetalous : with petals entirely distinct, Fig. 10. 

 Prickles : sharp-pointed outgrowth of bark. 



Raceme: a lengthened, unbranched flower-cluster, Fig. 15. 

 Radical : growing directly from the ground, not from a branch. 



Scabrous : rough-hairy. 



Sepal: a leaf of the calyx. 



Serrate : toothed edge of a leaf, Fig. 8, c. 



Simple : said of a leaf when in one piece, Fig. I . 



Spike : a raceme of crowded, stemless flowers, Fig. 16. 



Spine: a minute, sharp-pointed branch, outgrowth of the wood, 



not of the bark. 



Stamen: pollen-producing organ, Fig. 12. 

 Staminate : said of a flower bearing stamens without pistil. 

 Stigma: summit of pistil, Fig. 13, c. 

 Stipules : minute, leaf-like bracts, sometimes (in pairs) at base of 



leaf-stem, and more or less coherent with it. 

 Style : support of stigma, Fig. 13, b. 



Tendril: a thread-like growth in vines for supporting the plant. 



Terminal: said of blossoms at end, rather than along, a branch. 



Thorn: same as spine. 



Trifoliate : compound leaf with three leaflets. 



Twining : said of vines that twist around the support. 



Umbel: flower-cluster whose stems radiate from one point, Fig. 14. 



Variety : subdivision of a species. 



Veins : composing the framework of a leaf ; the larger ones are 

 called ribs. 



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