60 
CLASS XVII. ORDER I. 
Genis'^ta, Calyx 3-lipped-, upper lip with 2, lower lip with 3, teeth, (dier's 
broom.) 
Spar^'tium. Stigma longitudinal, pubescent above ; filaments adhering to the 
j0V"ary ; calyx lengthened at the base. (Spanish broom.) Ex. 
U'lex. Calyx 2-leaved, 2-bracted; stamens all united; legume about the 
length of the calyx, spinose. (furze.) S. 
ARA^cms. Calyx 2-lipped ; corolla inverted ; legume gibbous, torulose, veiny^ 
eoriaceous. (pea-nut.) Ex. 
Erythri'na. Calyx 2-lipped ; banner long lanceolate ; legume torutose, many- 
seeded, (coral-tree.) S. 
CLASS XVIL SYNGENESIA. 
ORDER I. POLYGAMIA ^QUALIS. 
A. Fli&rets Hgulate. 
PicH o'rium. Calyx calycled ; egret plumose, sessile, unequal receptacl® 
somewhat chaffy, (succory or endive.) 
Leon'^todon. Calyx double, imbricate, with flexible leaiets ; receptacle 
naked ; egret stipid. (dandelion.) 
Prenan'^thes. Florets from 5 to 20, in a simple series, (or m one circular 
row;) calyx calycled;. receptacle naked; egret simple, sub-sessile, (white 
lettuce.) 
' I-jAcWca. Calyx imbricate, cylindric, with the margin of the scales membra- 
naceous; receptacle naked ; egret simple, stipid ; seed smooth, (lettuce.) 
HiERA^'cTUM. Calyx imbricate, ovate; egret simple, sessile ; receptacle naked, 
punctate, or sub-pilose. [From white becoming yellowish.] (hawk-weed.) 
Apar'^gia. Calyx imbricate ; receptacle naked, punctate ; egret plumosCj, 
sessile, unequal, (false hawk-weed.) 
SoN^'cHUs. Calyx imbricate,, swelling at the base ;, receptacle naked ; egret 
simple, sessile, (swine thistle.) 
Kri'gia. Calyx many-leaved, simple; receptacle naked ; egret double, exte- 
rior, 5 to 8-leaved, interior of 5, 8, or 24 scabrous bristles, (dwarf dandelion.) 
Troxi'imon. Calyx oblong, cone-like, many-sepalled, sepals unequal, imbri- 
cate ; receptacle naked ; egret sessile, pilose. S. 
Apo'gon. Calyx 8-sepalled, in a double series ; receptacle naked ; egret 0. (S. 
Chondril'^la. Receptacle naked; egret pilose, stipid ; calyx calycled ; florets 
in many series. S. 
Tragopo'gon. Calyx simple, many-leaved; receptacle naked ; egret plumose 
and stipid. (goat's-beard, vegetable oyster.) Ex. 
B. Flo'Kets tubulaus ; fiower capitate, 
Arc'^tium. Calyx globose, with scales hooked at the apex ; egret chaff-brist' 
ly ; receptacle chaffy, (burdock.) 
Cni'cus. Calyx swelling, imbricate, with prickly scales; receptacle villose, 
egret caducous, plumose, (thistle.) 
Car'^duus. Calyx ovate, imbricate, with prickly scales; receptacle villose: 
egret pilose, (comb-tooth thistle.) 
Car'^thamtjs. Calyx ovate, imbricate with scales, ovatish, leafy at the apex 
egret chaff-hairy, or none ; receptacle chaff-bristly, (false saffron.) Ex. 
Cyn'^ara. Receptacle bristly; calyx dilated, imbricate^ scales with flesh'- 
bases; emarginate and pointed ; egret plumose, sessile, (garden artichoke.) Ei. 
Onopor^'don. Calyx ventricose, imbricate, with spreading, spinous scales; 
receptacle alveolate ; egret capillary, deciduous, scabrous, (cotton thistle.) 
Lia'tris. Calyx oblong, imbricate ; receptacle naked ; egret plumose, persis- 
tent, (mostly coloured ;) seed pubescent, striate. 
Verno'nia. Calyx imbricate, ovate, egret double, exterior short, chaffy; inte- 
rior capillary ; receptacle naked ; stigma 2-cleft. 
C. Fl&rets tubulous ; fiower discoid. 
Eupato'rium. Calyx imbricated, (rarely simple) oblong ; style long, cloven 
half way down ; egret pilose, scabrous, or rough papillose ; receptacle naked ; 
seed smooth and glandular, 5 striate, (boneset, thoroughwort, joepye ) 
Mika'nia. Calyx 4-6-leaved, 4-6-flowered ; receptacle naked ; egret pilose. 
Kuh'nia. Calyx imbricate, cylindric; receptacle naked; egret plumose, 
sessile ; seed pubescent, striate, (false boneset.) 
