No. 14.] 



FLOWERING PLANTS AND FERNS. 



507 



Grass 

 Rib 361 

 Ribbon 59 

 Rice Cut 58 

 Ripple 361 

 Rough Foxtail 57 



" Hair 64 

 Rough-stalked Meadow •/:i 

 Rush 63 

 Salt Marsh 68 



" Meadow 68 



" Reed 68 

 Sand 70 



" Knot 164 

 Scorpion 329 

 Scratch 58, 163 

 Scurvy 208 

 Scutch 69, 79 

 Sea Spear 75 

 Seaside Knot 164 

 Seneca 59 

 Sesame 48 

 Shave 30 

 Shear 79 

 Sickle 163 

 Silk 64 

 Slough 68 

 Small Crab 49 

 Smooth Meadow y2> 

 Snake 71 

 Sour 159 

 Spear 72, yz 

 Spike 72 

 Spires 59 

 Squirrel-tail 80 

 Star 125, 127 

 Stink 71 



Swamp Wire y^ 

 Sweet Vernal 59 

 Switch 52 

 Sword 59, 98 

 Tall Manna 74 



" Marsh 68 



" Oat 67 



" Panic 52 



" Quaking 74 

 Tape 47 



Grass 



Terrell 80 



Thatch 68 



Thin 64 



Tickle 51 



Toad 114 



Tongue 176, 200 



Triple-awned 60 



Tufted Hair 6y 



Twitch 57 



Vanilla 59 



Velvet 66 



Vernal Whitlow 199 



Water Star 114 



Way 160 



White 58 



" Bent 64 



Whitlow 199 



Wild Oat 67 



Wire 48, 69, yz, 160 



Wood 49 



Reed 65 



Wool 88 



Yard 69 



Yellow-eyed 112. 127 

 Grass Family 48 

 Grass of Parnassus 216 

 Grass Pink 133, 181 



Wrack 45 

 Gratiola 353 



aurea 353 



duhia 353 



virginiana 353 

 Gravel Chickweed 172 

 Gravel-root 375 

 Gravel-weed 330 

 Gray Birch 147 



Willow 141 

 Greaseweed 357 

 Great American Burnet 241 



Blue Lobelia 374 



Bulrush 86 



Burdock 404 



Laurel 308 



Nettle 155 



Ragweed 391 



St. John's-wort 280 



