580 



INDEX. 



Page. 



Spartina polystaohya 361,363, 3t>5 



stricta .. 272, 273, 276, at!), 382, 288, 284,280,290, 

 890, 900, 801 , 810, 81 1 , 312, 818, 815, 362, 485 



association 272,359,361 



maritima 280,381,866,516 



versicolor 288 



Spergnlaria salina , ._ 302 



ndlina ._ 316 



Sphaeraleea angustifolia cuspidata 177 



arida 177 



calif ornica _ 177 



pedatiflda 177 



stellata 177 



Sphagnaeeae _ . _ 510 



Sphagnum. ... 381,406,428,429,445,518,522 



brevicaule . 510 



euspidatum pluinosum 510 



plumosum serrata. lit. 415. 440 



cymbifolinm 381 



glauceseens 428,510 



glauceseens sijuarrulosa 428.510 



henryanum 381 



henry ense _ _ 510 



imbrieatum brevicaule 40ti 



cristatum glauceseens 510 



kcarneyi 444,445,510 



medium glauceseens 511 



rocurvum 38] 



ambliphyllum pulchricoma 511 



virginianum 511 



Spikenard tree 47(1,477,478,479 



Spinach_ 346,347,411,464 



Spindle _ 251 



Spinifex sqnarrosus 308 



Spinner _. 249,250,251 



Spiraea _._ 458 



tomentosa 4(15,527 



Spirodela polyrhiza 444, 44ti. 459, 520 



Spnndias lutea 218,219,220.225 



mexieana ___ 219 



purpurea 219,220 



spp ---- - 217 



Sponge, vegetable 251 



Sporobolns asper 382, 515 



indious 275,315,415.515 



junceus _. 451 



virginicus ...•_. 451 



Spruce 43,48,68.74 



Douglas 43,58,59,60.63,66,68,74,75 



Eugelmann's 43, 47, 55, 59, 60 



hemlock 43,50,55 



pine. 483,484 



Squash.. 226, 411, 4"5, 466 



Squirrel-tail grass __ 413.414 



Staff-tree family 32 



Stafice linumiiim carolinianum 317 



S'.egnosperma halimifolia 234. 230 



Stegowaltheria ._ 183 



Stenophyllus capillaris 460,518 



clllatifolius 452 



stenophyllus. 452 



Stewartia malaeodendron 454 



Stillingia sylvatica 454 



Stijm 252 



avenacea 402,404,515 



vlridula &5 



Page, 



Stipulicida setacea 453 



Stock break 254 



Stolons 435 



Storax 400 



Story tree 222 



Strand, Dismal Swamp region 345,346 



plants 449 



adaptations to environment .. . 382 393 



dissemination of seed 398,894 



number of families... 395 



number of genera. 395 



poverty of species 395 



structural peculiarities 382-393 



vegetation, general aspects 394 



Strawberries 30, 98, 



346, 347, 411, 413, 464, 465, 4tti, 470, 472, 479 



Strawberry, the Brandy wine 466 



the Hoffman _ 465 



the Thompson 165,466 



wild 471 



fltrophostyles helvola 416.530 



unibellata _ 531 



Structures diminishing transpiration 385 392 



Stylosanthes 402 



bifiora 405,408,529 



riparia 405,408,454,529 



Styraoaceae 462,537 



Styrax 455 



Styraz nmericana 455 



gr.tndif olia 400, 449, 455, 485, 504, 537 



Suadadero __ _ 239 



Subalpine fir 43, 49, 56, 59, 60, (58, 69, 77 



pine zone of Oii'ur d'Alenes 59 



Subsoils of Dismal Swamp region.. 819,853,857 



Sugarcane _ 224,433 



grass __ fli 



maple 482 



pi'ie 88 



Sumac 407,472,476,477.478,479 



Summer grape 479 



Sunflower 472 



Sunshine record for Dismal Swamp 327 



records for Ocracoke Island 264 



Superstitions respecting plants 227,257,258 



Swamps of the Dismal Swamp re- 

 gion 338-342 



wooded _ 349-358 



Sweet bay- 399,485,479,180,488 



corn 465 



flag. 30 



pm... 888,896, 



399,400,404.407,419, 

 477, 478, 482, 483, 476 



potatoes 227.346,347,411,465.466 



syringa 97 



Swietenia humilis 229 



Switch grass 364 



Sycamore... 335, 473, 483 



Syniplocaceae 462,537 



Symploeos adenophylla 503 



tinctoria 382, 400, 404, 455, 485, .503, 537 



Syntherisma flliformo 514 



flmhriatum 315 



sanguinale 469,472 



sorotinum 4r t ] 



Syringa, sweet 97 



