SCIENTIFIC AND POPULAR. 179 



S22. GUETTARDA, L. Velvet-seed. RuMaceae. 



Shrubs or small trees. About 50 species, tropical America, 

 oue of wide distribution; 2 in U. S. (a) (J. elliptica Sw., West 

 Indies to Florida, is called Velvet-seed. 



•923. UUILANDINA, L. (Guilandia). Bonduc. Caesalpinaceae. 



Syn. Csesalpinia, in part, some botanists referring all the 

 species to that genus. Prickly trailing shrubs. About 5 spe- 

 cies, tropical regions. 



A. (x. Boudiic L. (C. Bonduc Koxb., G. glabra Mill.). Florida 

 and most tropical coasts. Seeds, Yellow Nicker-nuts or Nickar- 

 nuts, Bonduc-nuts (from Arabic, bondog, a necklace), Beazor- 

 nuts, Molucca Bean. Properties of (b). 



h. Gr, Bonducella, L. (C. Bonducella Roxb., G. aculeata Salisb. ). 

 Tropical shores generally. Seeds, Gray Nicker-nuts, Nicker- 

 seeds, Gray Bonduc-nuts or Beazor-nuts; bitter, tonic, febrifuge. 

 Source of Nicker-seed oil, used for embrocations. Bark tonic. 



^24. GDILLEMINEA, H. B. K. (Guilleminia). Amaranthaceae. 



Herbs. Three species, perhaps reducible to one; 1 in Texas. 



925. 0UIZ6tIA, Cass. 1827. Til-seed, etc. Compositae. 



Named for the French historian, F. P. G. Guizot, d. 1874. 

 Syn. Werrinuwa, Heyne 1814; Verbesina, in part. Herbs re- 

 lated to Heliopsis. About 5 species, tropical Africa and Asia. 



■a. G. Abyssinica Cass. (G. oleifera DC, V. sativa Roxb.). India 

 and eastern Africa. Ramtil, Niger-seed, Black Til-seed, Oil- 

 seed. Seeds yield a bland fixed oil. 



D26. GUTIERREZIA, Lag. Brown-weed. Compositae. 



Named for Gutierrez, a noble family of Spain. Syn. Solidago, 

 in part. Herbs or sub-shrubs resembling Golden-rod. About 

 20 species. New World; 6 in western U. S. 



927. GYMINDA, Sarg. - Gyminda. . Celastraceae. 



Anagram of Myginda, an allied genus. Shrub. One spe- 

 cies in southeastern U. S. 



928. GYMNANTHES, Swz. Gymnanthes. Euphorbiaceae. 



From Greek, "naked flowered". Syn. Excoecaria, in part. 

 Shrubs. About 10 species, tropical America, chiefly in West 

 Indies; 1 in U. S. 



929. GYMiVEMA, R. Br., not Endl. Gymnema. Asclepiadaceae. 



Syn. Asclepias, in part. Erect or climbing shrubs. About 

 30 species, warmer regions of Africa, Asia and Australia. 



a. G. sylvestre R. Br. (A. gerainata Roxb.). Africa and Aus- 

 tralia. Root a reputed antidote to snake poison. Leaves when 

 chewed destroy for a time the sense of taste. 



1^30. GYMN6CLAI)US, Lam. - - Caesalpinaceae. 



From Greek, "naked branched", i, e. not thorny. Syn. 

 Guilandina, in part. Trees with showy white flowers. Two 

 species, one of China, one of U. S. 



