582 



INDEX. 



Page. 

 Triacienum virginicum . . 4:1"), 438, 440. 460, 5U3 



Trianospenna uttenuaia - 131 



Trichocolea tomentella 610 



Trichostcma lineare 4511 



dichotomum 539 



Trifolium arvense 529 



carolinianum — 454 



dubium 408,539 



hybridum... - 529 



incarnatum 412 



pratonse -.-- 412,529,541 



procumbens 529 



npena - 412,529 



Triglochin maritirna -■ 80 



striata 274* 



279, 283, 301 , 310, 311, 312, 313, 314, 451, 460 



Trilisa odoratissima 457 



paniculata 406,457,544 



Trioatenm perfoliatum 506 



Triphasia trifoliata - 112 



Triplasis 458 



americana 451 



purpurea 270,315,376,516 



Trisotum caneseens - &* 



palustre. - 437 



ponnnsylvanicum — 516 



subspicatum - 36 



Trompa 251 



Tropical region. - - 447 



Truck crops. Dismal Swamp region. 411, 463 466 



lands, native vegetation 476-479 



soils, Dismal Swamp region 345- 



349, 463-466, 476-484 



fertilizing. - 347 



Trucking 354 



about Norfolk - 346, 468-406 



Dismal Swamp region 848-848 



Trumpet c reeper 375, 407, 477 



Tsuga mertensiana -- 48,58,64 



pattoniana - 43,53 



Tule- -- - 30,93 



Tulip --- 407,419,473,477 



tree, white 482 



yellow 482 



Tuna 209,210,220 



Tuna fruits, importation 210 



Tunas, suggested introduction 209 



Tupelo 483 



Turnips - 465 



Turner* -- 230 



alba 166 



aphrodisiaca 166, 167 



caeridea 186,167 



callosa 185,167,168 



cistoides 167 



diffusa --- 167 



ai>h rodiriaca 188, 167 



hindsiana 167 



humifusa - 166,167,168,880 



mollis 167 



pahneri-... 165,167,168 



panamensis _. - 167 



pringlei.. - - 168,167,168 



pumilea - 167,168 



Sp 



it;; 



ir ion i flora .„ .- 1*J ' 



Page. 



Tnrnoraulmifolia 166,167,168 



aouta - - 167,168 



alba.... - 166,167,168 



caerulea --- 166,187,188 



elegans 167 



surinamensis 166,167,168 



velutina,. 166,167 



velutina -■ --- 167 



Turneraceae 230 



notes 165-168 



Twine 249 



Twirling sticks 88,89,105 



Typba - 90,279,314,365.367,442,462,513 



angustifolia 460, 513 



association 859,868 



latifolia - 80, 



90, 273, 276, 314 IJtil , 363, 366, 436, 438, 442, 513 

 Typha-Sagittaria association 4:16 



U. 



Ulmaceae - 462,524 



Ulmus --- 458 



alata - 453,524 



americana — 899,684 



viscosa - -- 482 



rmbelliferae 145,226 



anew genus 203 



Under drainage. Dismal Swamp region... 353 



Uniola -- 270, 271, 282, 868, 468 



gracilis 272,315,380 



latifolia -- 516 



laxa -.-- 272,315,380,451,516 



longifolia --- 382, 451, 516 



paniculata 270. 276, 279, 281 , 288, 292, 299, 



300, 313, 315, 333, 368, 369, 370, 383, 383, 384, 

 388. 389, 390. :!92. 393. 449. 452, 160, 185. 516 



Upland rice 411,468 



Upper Austral zone 447,448,449 



Sonoran area - 447 



Urtica brewer i 94,95 



Urticaceae. 95,316,462,524 



Urtieastrum divaricatum 524 



Useful plants of Mexico, notes -. 209-256 



Usnea angulata 511 



barbata 271,314 



rubiginea 510 



sorotina 510 



spp 402 



trichodea 510 



Utricularia - 444,446 



bifiora - - 456 



clandestina - --. 450,541 



fibrosa 456,541 



inflata 444, 445, 446, ,541 



juncea - - 4511 



purpurea - 444,445,541 



spp.--- 445,446 



subulata - 456 



Uvalama. - - 223 



Uvularia — .- - 458 



sessilifolia nitida - 521 



Vacciniaceae - 482,635 



Vaccinium arboreum 400,405 



corymbosum 400,404,426,471 



