584 



GLOSSARY. 



the stamen or lip on the upper 

 side. 



Symmetrical, with the same num- 

 ber of parts in each circle of 

 the flower throughout. 



Sympetalous , petals more or less 

 united into one piece, so that 

 one can not be taken away 

 from the rest without tearing. 



Synsepalous, sepals more or less 

 united. 



Taproot, a single and often strong 

 root descending perpendicu- 

 larly into the earth . 



Teratological, relating to mon- 

 strosities or malformations. 



Terete, round. 



Ternate, occurring or divided 

 into threes. 



Throat, the upper expanded por- 

 tion or orifice of the corolla- 

 tube 



Thyrse, a close or contracted 



ovate panicle. 

 Thyrsoid, resembling a thyrse. 

 Tomentose, covered with soft or 



woolly hairs. 

 Trichotomous, forking, with the 



three divisions from the same 



point and nearly equal. 

 Trifid, 3-cleft to "the middle or 



somewhat more or less. 

 Tripinnate, thrice pinnate. 

 Triqwetrous, 3-sided. 

 Truncate, cut off squarely at the 



end. 



Tuber, a very much thickened 



fleshy and more or less rounded 



underground stem. 

 Tuberous mot, when the root or 



its branches are thickened and 



fleshy. 



Tubular, shaped like a tube or 

 hollow cylinder. 



Tufted sterns^ short, close, and 

 several or many together from 

 the same stock. 



Turbinate, top-shaped. 



Turgid, distended or inflated. 



Umbel, branches nearly equal 

 and proceeding from the same 

 point, so as to form a flat- 

 topped cluster. 



Umbellet, one of the secondary 

 umbels of a compound umbel. 



Umbilicate, depressed in the cen- 

 ter. 



Undulate, with strongly wavy 

 margin, so that the leaf is not 

 flat. 



Unguiculate, furnished with a 

 claw. 



Unisexual, flowers containing 

 pistils only, or stamens only. 



Vein, in a leaf, a branch of a 

 secondary rib or nerve. 



Ventral, relating to or borne on 

 the face. 



Ventrieose, distended or swollen 

 on one side and not on an- 

 other. 



Versatile, swinging, turning 

 freely on its support, 



Vitiform leaves, grape-vine-like. 



Xerophyte, a plant adapted to 

 live in dry soil, on the desert, 

 in sand or on rocky ridges, 

 chiefly characterized by great 

 thickening of the epidermis, 

 condensation of the plant body, 

 or reduction of the leaf surface. 

 Cactus, Nuttall's Ceanothus, 

 Manzanita, and Pickeringia 

 are typical xerophytes. 



