455] 



313 



References to the Flora are in brackets [ ] 



nemoralis 64, [226 



radula 60, [226 



rigida [227 



rigidiuscula [225 



rugosa [225 



serotina 44, [226 



gigantea [226 



speciosa 60, [225 



ang-ustata [225 



ulmifolia 44, [225 



Solomon's seal 46, [115 



false 46, [115 



giant [lis 



two-flowered [iiS 



Sonchus ... [241 



arvensis 71, [241 



asper 71, [241 



oleraceus "Jl, [241 



So^/iia [147 



incisa [ '47 



intermedia [ I47 



pinnata [l47 



Sorghastrum [85 



avenaceum [86 



nutans [86 



Sorghum [85 



Halepense [85 



vulgare [86 



Sorrel 69 



sheep [129 



Sow thistle [241 



common [241 



field [241 



spiny-leaved [241 



Spanish needles [236 



Spartina [93 



cynosurioides 20, [93 



Spathiplorales [109 



Spear grass, low [96 



short-leaved [245 



sylvan [96 



weak [245 



Spearmint [203 



Specularia [217 



perfoliata [217 



Speedwell 69, [208 



corn [209 



purslane [209 



thyme-leaved [208 



Spergula [248 



arvensis [248 



Spermatophtta [82 



Spicebush [141 



Spiderwort [11 1 



common [iii 



roseate [246 



Spiderwort family [i 



Spike grass [96] 



Spikenard [184] 



wild [lis] 



Spike rush i9) 2i> 3i> [103] 



Spike rush association 21 



Spinacia ['33] 



oleracea [133] 



Spinosae 52 



mespiloides 52 



Spiraea [250] 



salicifolia [250] 



tomentosa [250] 



Spiraea [ 149] 



opulifolia [150] 



ferruginea ['49] 



Spiranthes .... [ii8] 



cernua [118] 



gracilis [nS] 



Spirodela [ 1 10] 



polyrrhiza 17, [no] 



Spleenwort [80] 



narrow-leaved [80] 



Sporobolus [92] 



brevifolius [92] 



cryptandrus [245] 



cuspidatus [92] 



minor [92] 



vaginaeflorus 64, [92] 



Spring beauty 54, 



Carolina 



Spurge 



Cypress 72, 



flowering 



Missouri 



purslane 



spreading 



Spurge family 



Spurrey 



Squash 



Squaw-weed, golden 



round-leaf 



woolly 



Squirrel corn 



Squirrel-tail grass 



Stachys 32, 



aspera glabra 



tenuifolia 



Staff-tree 



Staff-tree family 



Staphylea 39, 



trifolia 41, 58, 



trifoliata 



Staph yleaoeae 



Star-cucumber 



Star grass 



Star of Bethlehem 



Star-thistle 



[J35] 

 [248] 

 [169] 

 [170] 

 [169] 

 [170] 

 [169] 

 [169] 

 [168] 

 [248] 

 [216] 

 [239] 

 [239] 

 [238] 

 [142] 

 [99] 

 [201] 

 [201] 

 [201] 

 [171] 

 [171] 

 [171] 

 [171] 

 [171] 

 [171] 

 [217] 

 [116] 

 ["5] 

 [240] 



