194 WEEDS AND USEFUL PLANT'S. 
form bristles in one or more series—the inner series often smaller and 
Soren connivent. Polymorphous Aerbs. Leaves alternate. Heads 
solitary, large. 
mis us, L. Covered be a 
loose co by ; stem erect, m 
ratehed : leaves lance-linear, ceil, 
ee the lowe 
ing into a kind of petiole, tootheles or 
pinna prog = ae pappus shorter 
than the 
’ Biue SET Blue-bottle. Rag- 
ged Robin. Blue Bonnets, of the 
Scotch 
Fr. Bluet. Germ. Die Korn-blume. 
iano. 
Span. C 
Root . - . Stem1 3 feet high. Leaves 
2-6 in m iouee hoar: oe got ta or lanuginous 
oc aeaity on the under side. Mss) round- 
ish-oyoid, Pte a oo teate ; outer 
s fs) Mires —the in- 
ner ones eer. passing searious and en- 
tire below, sab ar near the a Flores 
the centre ohoer withasionder tube, mostly 
violet-pu he mar; 1 ones obsoletely 
pistillate, "tetier spreading or recurved, fun- 
nel-form with saiong tube, blue, or Rommietenes 
purplish or wh kenes poe compress: 
ed, stria te, pilose, with a cavity (arena) 0% on 
merous russet scabrous hairs of anegial 
oe Gardens and cultivated ee Northern 
and Middle States ; introduced. Native of Europe. Fl. July. Fr. August 
plant is often seen in gardens os and in some poss i is grad- 
ually straggling into the catlevated ‘felds, ’As it is considered a trouble- 
some weed, among the grain crops of Europe, it aay be well to watch 
orthl ould be regarded 
eye, by the farmer. J 
mea to some extent; the former, eeeere “ Knap 
f the fnvoluere m sap ned with a short. black fringe and short 
ee ara in New England. C. Calei’trapa, or “ Star Thistle,” 
id ales of the involucre terminating in spines, and no 
ginia 
Be 
Hi 
Ze 
24. CYNA’RA, Vaill. Articuoxe. 
eit Kyon, kynos, a dog ; the spines of the inyolucre resembling dogs’ teeth.} 
ny-flowered ; florets allequal. Involucre ovoid—the scales im- 
ieicated, Ssoriaceotil "produ ced into a lanceolate appendage which is 
ae 132. a sects ape pa ied Fag A divided head, showing a marginal 
