228 
Composites. 
with fewer, larger, and denser heads, and lower stem 
—Damp fields, thickets; distrib. 7 tinctoria L. 1267. 
331. Kentrophyllum. Kentrophyllum. XIX, 36. 
1. Ls sinuate-pinnatifid. Outer Is of the invol. spiny, like 
the upper caul.—Dry, stony places. W. Y. 7 
lanatum Dec. 1268. 
332. Centaurea. Centaury. XIX, 38, 52. 
1. Invol.-Is terminated by a palmatifid spine, 12—20 mm 
long and div. into 5— 7 spines . ... 2 
— Invol.-ls without this spine, but terminated by a scarious, 
coloured edge ....... ,3 
2. FIs lemon-yellow. Caul, ls decurrent, linear-lanceolate, 
entire, the lower lyrate.—In lucern-fields, introduced 
with foreign grain, rare and uncertain. 7, 8 
solstitialis L. 1269. 
— FIs red. Caul, ls not decurrent, pinnatifid, with linear 
lobes, except those at the tops of the stems and branches 
which are entire.— Uncultivated places, road-sides; Y. 
otherwise sometimes adventitious. 7 Calcitrapa L. 1270. 
3. FIs, at any rate of the margin, blue (rarely rose or 
white) ......... 4 
— FIs red or white ....... (> 
4. Caul, ls not decurrent. Ann. pis. Cornflower.—Corn¬ 
fields; distrib. 6.Cyanus L. 1271. 
— Caul, ls decurrent. Perenn. pis .... 5 
5. Invol.-ls with black edges, pectinate-dentate; teeth about 
as long as the breadth of the scarious edge. Ls rather 
cottony-webbed, green—Mountain woods, gorges; dis¬ 
trib. 6.montana L, 1272. *) 
— Invol.-ls with light brown edges, pectinate-fringed; fringes 
often silvery, nearly twice as long as the breadth of 
the scarious edge. Ls webbed-tomentose, often sinuate- 
dentate. Stem gen. bearing several heads. C. seusana 
Gaud not Chaix.—As the last; T. \Y. (Berisal). 6 
axillaris Willd. 1273 
6 (3). The scarious edge at the top of the invoL-ls forming 
a distinctly separate appendage .... 7 
— The scarious edge of the invol.-ls toothed-fringed, but 
not developed as*a separate appendage . . 14 
7. Ls 1- or 2-pinnatipartit.e, with linear lobes. Appendage 
of the invol.-Is white-scarious, swollen-concave, mucro- 
nate. C. splendens Gaud. Koch.—Stony, dry places in 
Italian Switz. 7 .... alba L. 1274. 
*> C. lugdunensis Jord. has rt-stock without stolons and narrower 
Is, reported from Reculet. 
