SCIENTIFIC AND POPULAR. S79 



2038. TRIPHASIA, Lour. Lime Myrtle. Auraiitiaceae. 



From Greek, "three- fold", i. e. trimerous, A thorny shrub 

 with fragrant white flowers. One species, China, widely cult, 

 in tropical countries, (a) T. Aurantiola Lour. (T.Javanica 

 M. Roem.). Lime Myrtle, Lime-berry, Bergamot*. Fruit 

 esculent. 



2039. TRITELEIA, Lindl. (Tritelia). Lillaceae. 

 Syn. Brodiaea, Calliprora, in part. Scapose herbs with lalue 



or violet flowers. Thirteen species in western U. S. 



2040. TRITICUM, L. Wheat. Gramiiieae. 



The Latin name of Wheat, "threshed" or "ground". Ro- 

 bust grasses. About 15 species, Mediterranean region to cen- 

 tral Asia. 



a. T. aestivum L. (T vulgare Vill., T. sativum Lam. The Lin- 

 nsean name originally applied to a variety). The most univer- 

 sally cultivated of ail cereals. Wheat. The very numerous 

 varieties form three principal groups; 1. Bearded or Summer 

 Wheat, T. aestivum L., proper; 2. Unbearded or Winter 

 Wheat, T. hybernum L., and 3. Spelt or Dinkel Wheat, 

 with adherent grain, T, Spelta L, ; a remarkable variety is the 

 Egyptian Wheat with compound spikes. Seeds, ground and 

 sifted. Wheat flour: Farina Tritici Br., used as an application 

 for burns, etc.; esculent. Starch, Amylum tritici, is also largely 

 prepared from the grain. 



Other species worthy of note are (b) T. dicocciim Schrank, 

 Emmer Wheat, Arras Wheat of Abyssinia; (c) T. monococ- 

 cum L., One- grained or Single-grained Wheat, St. Peter'* 

 Corn; (d) T. 'tricoccum Schuebl. [Index Kewensis makes 

 this a synonym of (b)], Amel Corn, cult, in Switzerland as a 

 source of starch. 



2041. TRIUMFTETA, L. Burweed. Tiliaceae. 

 Named for G. B. Trionfetti, Italian botanist, d. 1708. Herbs 



and shrubs. About 50 species, warmer regions; 1 in U. S. 



(a) T. semitriloba Jacq. Florida to West Indies and tropical 

 regions generally. Burweed, Paraquet-bur. Bark, Bur-bark, 

 yields a tibre resembling jute. 



2042. TRIXIS, P. Br. Trixis. Compositae. 



From Greek, "three- fold", the corolla being trifid. Syn. 

 Perdicium, in part. Herbaceous or shrubby perennials. About 

 30 species, tropical America; one or two, Mexican border of 



U.S. 



2043. TR6lLIUS, L. Globe-flower. Raniinculaceae. 



From German, signKying probably "round". Perennial 

 herbs mostly paludal with showy flowers. About 10 specie?, 

 north temperate zone; 1 in U. S. 



a. T. Eiiropaeus L. Europe. Globe flower, Globe Ranunculus, 

 TroUflower, Butter- basket, Cabbage Daisy; Golden-ball, Ixx;k- 

 in-gowan, Lapper-gowan. 



