376 PLANT XAMES AND SYNONYMS 



2026. TRICARDIA, Torr. Tricardia. Hydrophyllaceae. 



From Greek, ''three-hearts", alluding to shape of sepals. 

 Perennial herb. One species, Nevada. 



2026. TRICHILIA, P. Br. Incense tree, etc. Meliaceae. 

 From Greek, *'three-lipped", alluding to the stigma. Syn. 



Mafureira, Moschoxylon, in part. Trees or shrubs. About 

 112 species, tropical Africa and America. 



a. T. emetica Vahl. (Maf. oleifera Bertol. ), East Africa to 



Arabia. Mafura (^Mafurra) tree. Seeds source of Mafura Tal- 

 low, resembling cacao butter. 



b. T. moscliAta Swz. ( Mos. Schwartzii Juss. ) . Jamaica. Incense 



tree. Musk-wood, Pameroon-bark tree, Juribali, Jurubali, 

 Bark astringent, febrifuge. 



2027. TRICHOCOR6NIS, A. Gray. Trichocoronis.Compositae. 

 From Greek, * 'hair crown". Syn. Micrageratum, Margacola. 



Aquatic or marsh herbs with pink or purple flowers. Three 

 species, Mexican border of U. S. 



2028. TRICH(3mANES, L. Filn.y Ferns. Hymeiiophyllaceae. 



Ancient Greek name of a kind of Fern. Ferns with pellucid 

 fronds. About 100 species, mostly tropical; 2 in U. S. (a) T, 

 rddicans Sw. Southeastern U. S. and widely distributed. 

 Common Bristle Fern, Hare's-foot Fern, Cup-goldilocks. 



2029. TRICHOPTILIUM, Gray. Trichoptilium. Conipositae. 



From Greek, "hair- feat her". Syn. Psathy rotes. Small 

 winter annual. One species, Arizona to Oalifornia. 



2030. TRICHOSTEMA, L. Blue-Curls, etc. Labiatae. 

 From Greek, "hair stamen" , alluding to the capillary fila- 

 ments, which suggest also the English name. Herbs, some 

 shrubby. About 9 species, all of U. S., mostly southwestern. 



a. T. dichotoinnm L., eastern U. S., is called Blue-curls, Bastard 

 Pennyroyal; (b) T. lanceoldtum Benth., California, is called 

 Blue Tar- weed; (c) T. landtum Benth., California, is called 

 Black Sage. 



2031. TRIENTALIS, L. Chickweed Wintergreen. Primnlaceae. 



From Latin, "span"-high. Low perennials, the leaves form- 

 ing a whorl at the summit of the stem. About 3 species, all of 

 U. S., one also European. 



a. T. Americana Pursh. Canada, south to Virginia and Illinois. 

 Chickweed Wintergreen, May-star, Star-Hower, Star-flowered 

 Chickweed, Star-of-Bethlehem*, Snake-flower. 



2032. TRIF6lIUM, L. Clover, Trefoil. Papilioiiaceae. 



The ancient Latin name, "three leaved". Syn. Chrysaspis, 

 Chronosemium, Melilotus, in part. Herbs, leaves generally 

 trifoliate, flowers in heads or spikes. About 250 species, mostly 

 of north temperate zone; 108 in U. S., including some naturar 

 lized. 



