INDEX. 



561 



Pago. 

 Dismal- Swamp region— Continuedj 



salt marshes --- 337,338,344 



salt -marsh plants 364-367 



sand dunes . 333-337,368-381 



soils - . - - - - 322, 



344-368, 404, 405, 429, 430. 463-466, 473-484 



southern limits of species 449, 450 



strand plant formation - - - - 367-395 



swamps --- 338-342,417-429 



temperature 324, 325 



"The Desert " 333, 334. 335 



"The Plain- 338, 342, 345 349 



The Strand - 345,346 



truck crops . . 345-34!*, 463-467 



truck soils 463-466. 473-484 



trucking 345-349,354,411,463-467 



wind it cords 330 



wooded swamps 349-358 



Distichlis .- 458 



maritima .. 273.315 



spicata 273,313.315,51.5 



Dock - 95,413,414 



Doellingeria humilis 457 



Dogfennel 408.413,414,472 



1 Jog wood 398,400,473,478,482,483,484 



poison - --- 48« 



Doryanthes 153 



Douglas spruce 43,58,59,60,63,66,68,74,75 



Doyerea emetocnthartiea — 121 



Drainage in Dismal Swamp region 322, 



347.474.353-356,358 

 influence on distribution of plants . . . 395 



of part of Dismal Swamp. 339 



system of Cceur d'Alenos 10-13 



Drinking cups, gourds, and flasks 259 



Drosera brevif olia - 454 



filiformis 454 



intermedia 378. 460, 527 



Droseraeeae 462,52* 



Dry laud formations _ 485 



Drymaria .— . - 131 



confusa — - - 133 



graeillima 132 



nodosa 131,132 



nodosa gracillima 132 



tenella 131,132,133 



Dryopteris l lf > 



acrostichoides- 402 



ampla 147 



contermina 147 



goldieana celsa 512 



marginalia 512 



martinicensis 147 



uoveboracensis 512 



] arasitica 147 



patnla 148 



patula chaerophylloidea 148 



spinulosa 460,512 



spimilosa dilatata _ 450,512 



thelypteris 512 



Duchesuea indica - 528 



Dugouts -- K!l 



Dulce -- 218 



Dulichium 458 



arundlnaceum — 438,518 



Dune formation 269,270 



Page. 

 Dune marshes. Dismal Swamp region — 378 



Dune-marsh formation --- 274 



Dunes. Dismal Swamp region 333-337 



inner, wooded, or gray 367,378-381 



middle. 368.370-378 



open, white, or sea dunes 368,370 



Dupatya flavidula - - 453 



Dwarf spruce pine 484 



Dye and tanning plants of Mexico 237 



made from alder hark 94 



i-:. 



Early Rose potatoes. 

 Eatonia 



nitida 



obtusata 



. 466 

 . 458 

 . 516 

 35,516 



Ebenaceae.... 223,462,537 



Echinocystis 114.115,119.120 



Echinocystis - ■- 115, ID 



araneosa 419 



bigelovii 130 



brandegei H-9 



coulteri 116,117 



floribunda DO 



gemella . 149 



glutinosa - 419 



Janata -- ---- U7 



longjspina ID 



milleflora Di 



muricata. U 9 



paniculata 419 



pa rvi flora 130 



polycarpa - D9 



pubescens D8 



torquata — 448 



wrightii 148 



Echinodorus radicans -- 513 



Echinopepon 114, 115, 118, 119. 120 



Hrr'iopedunculatus - 115 



confusus -. - D5.116 



coulteri - - - H6 



floribundus D6 



horridus . 115.116 



jaliscanus -- ^-- ID 



lanatus - 417 



longispina.. --- 147 



milleflorua . . . - - 115,117 



minimus 447 



nelsoni - ID 



parvifolius 418 



pringlei -- 417 



pubescens 1 '8 



quinquelobatus - ■ - H5 



toriiuatus - D** 



wrightii.. - 116.118 



bigelovii - 119,120 



coulteri 416 



horridus H6 



insularis - 119,120 



palmer i H»i 120 



parvifiorus D9, 120 



quinquelobatus - D8 



Eclipta alba. 414,546 



Eggplant -- 466 



Elaphrium submoniliforme. 114 



tricolor -- 413 



