INDEX. 453 



Page. 



Moth mullein 106 



Motherwort 399 



Mouse-ear chickweed 331 



Mucilaginous 391 



Mullein 400 



Musquash root 384 



Mustard 34!). 35 1 



Mustard, ball 353 



Mustard, black 346 



Mustard family 343 



Mustard, hare's ear 348 



Mustard in oats, to kill ■ 286 



Mustard, Indian 345 



Mustard, tumbling 353 



Narrow-leaved dock 312 



Narrow-leaved plantain 410 



Neckweed 408 



Nepeta 401 



Neslia 353 



Nettle family 305 



Nettle-leaved vervain 397 



Nicandra 403 



Night -flowering catch-fly 336 



Nightshade family 402 



Nodding bur 419 



Nonesuch 362 



Net seed 282 



Nutlet, a small nut or nut-like seed or fruit as many achenia. 



Oak-!eaved goosefoot 320 



Oblanceolate, lanceolate in form, but tapering toward the base more than toward the apex. 

 Oblong, longer than wide with nearly parallel sides; compare oval. 

 Obovate, a flat body broader toward the apex than the base; see ovate. 

 Obovoid, a solid body broader toward the apex than the base. See ovoid. 

 Obtuse, having end or apex blunt. 



Oenothera 383 



Old-witch grass 290 



Onagraceae 383 



Orache 316 



Orpine family 356 



Oval, about twice as long as broad with regular curved outlines, broadly elliptical. 



Ovate, like a longitudinal section of an ordinary hen's egg, with the attachment if any at the broad 



end. 

 Ovoid, the shape of a hen's egg and attached, if at all, at the large end. 



Ovoid spike-rush 303 



Oxalis 369 



Ox-eye daisy 



Oxybaphus 32S 



Oyster plant 443 



Palea, Palet, the upper bract which with floral glume encloses the flower in grasses. 



Pale persicaria 308 



Panicle, a branched or compound raceme; a cymose panicle has the main axis terminated by the 



oldest flower, its branches terminated by the next oldest. 



Papaveraceae ". 341 



Papaver dubium 342 



Papaver rhoeas 342 



Panicum capillare 299 



Panicum crus-galli 297 



Panicum lineare 295 



Panicum sangiunale 291 



Panicum virgatum 299 



Parasite, a plant which grows upon or within another living body, from which it derives a part or 



whole of its nourishment; compare saprophyte. 



Parsley family 384 



Pastinaca 386 



Patience dock 315 



Pellucid, translucent. 

 23 



