INDEX. 



57 V) 



Sida cinerea 176 



criatata 172 



diffusa 176 



hederacea 176 



holwayi 176 



incana 170 



malvaviscus... - 173 



neo-mexicana — 176 



periptera. -- 173 



iiibra..- 173 



sal viaef olia 176 



spinosa.. _ 176,414,460,533 



xtellnta 177 



tragiaef olia 177 



Sieglingia seslerioides - 516 



Silene antirrhina.- 525 



Silphium... - - 458 



asteriscus 457 



compositum 457 



trifoliatum- 546 



Silver poplar 413 



Simarubaceae 531 



Sisal hemp 239,243 



Sisymbrium canescens 225 



incisum 96 



officinale 527 



Sisyrinchium 458 



atlanticum 522 



graminoides 522 



Sitilias - 458 



caroliniana 408,456,543 



Sium cicutaefolium 102,437,535 



Skunk ipazote 228 



Slew-grass 91 



Slippery elm 482 



Small cane 476,477,479 



fruits 30 



Smilaceae 315,462,521 



Smilacina racemosa 402 



Smilax- 280, 383, 387, 401, 407, 435 



auriculata 453 



bona-nox - 270, 



271, 280, 315, 375, 379, 382, 390, 401, 485, 521 



glauca 375,379,388,389,401,521 



lanceolata -- — 453 



laurifolia '. 314, 



421,426,427,431,432,433, 

 436, 453, 480, 4&5, 486, 521 



rotundif olia 375, 401, 404, 421, 477, 479, 521 



spp 389,393,416 



tamnifolia 453 



tamnoides - 315 



walteri 421,427,431,453,485,487,522 



Smodingium. - 143 



Smoke vine 540 



Smut grass - 415 



Snowfall in Cceur d'Alenes 13,14 



Dismal Swamp region 328,329 



Snowshoes, frames of willow 94 



Soap.amole 232 



plants of Mexico 231,3(7 



Soapberry - 232 



Soda water 223 



Soil, peaty juniper. __ 481) 



relation to plant growth 473-484 



rich black-gum _ 480 



Page. 



Soils, arable, Dismal Swamp region 476 



chemical factors 474 



Dismal Swamp region 322, 



344, 358, 429, 430, 483-406, 473-484 



effect of drainage 474 



in Cceur d'Alenes 28,29 



of forest areas 404,405 



Ocracoke Island 267 



w ooded swamps -552, 353, 354 



truck, Dismal Swamp region. 34(1-349 



Solanaceae. 227,230,318,462,539 



Solanum carolinense 275,318,414,473,540 



nigrum 270,318,377,395,540 



tuberosum 227 



Solidago.. 306,314,367,380 



bicolor 544 



canadensis 409,544 



glabrata... 544 



elliottii 457 



erecta - — 306,644 



fistulosa .- — 457,544 



juncea — - 544 



missouriensis 544 



neglecta.. 306,544 



nemoralis 544 



odora 402,544 



petiolaris - 306,406,457,544 



pilosa 406 



puberula pulverulonta 457 



pulverulenta 406,544 



rugosa 544 



sempervirens 2i3, 



274, 280, 305, 306, 310,311, 312, 

 313, 318, 364, 366, 510, 544, 485 



serotina 544 



sp 544 



stricta — 457 



tenuifolia - 318 



tortifolia -- - 457 



ulmif olia - 544 



Soliman -. 257 



Sonchus aspor 543 



Sonneratia acida -- 433 



Sonorita 230 



Sorbus occidentalis 55,60 



sambucifolia - 55,60 



Sorghum in Dismal Swamp region 412,471 



Sorrel, sheep 413,472 



Sotol... - 224,240,241 



liquor 224 



Sour gum 476,477 



Sourwood.. ---- 389,476,477,478,479 



Soyate - 240,241 



Spanish cedar - 189-191 



moss.. : 271,382,421.471 



needles 414 



oak - 373,398,400,477,478 



Sparganiaceae 90 



Spargauium androcladum 445,446,513 



eurycarpum -- 30,90 



Sparklelierry 400 



Spartina 272,273,366 



juncea 271, 273, 315, 376, 382 



patens. - 271, 



273, 282, 284, 288, 289. 290, 299, 300, 313, 315, 

 359,363,376,382,388,389,390, 393, 485, 516 



