4154 SYNGENESIA. SUPERELUA. 
A. Tradescanti, A. recurvatus, A. eminens, A. laxus, 4. 
polyphylins, A. junceus, A. lenceolaius, A- dracunculvides, 
4. frugilis, A. miser, A. divergens, A. diffusus, and A. pen- 
dulus, are a host of polymorphous varieties which may be 
reduced to 3 or 4 species!) 
+ Leaves entire. 
Spectes. 1. A. hyssopifalius, 2. solidaginvides. Rays 
often 8. 3. tortifoliins. 4. nemoralis, Av ledifolius, PH. 
Leaves linear-lanceolate, attenuated at the base, partly 
scabrous; branches filiform, fastigiate, 1-flowered; calix 
loosely imbricated, hemispherical, leaflets acute; rays nu- 
merous. Has. In the pyenre of New Jersey, somewhat 
_rare. Stem simple, 12 to 18 inches high, fragile and 
thickly set with leaves, which are somewhat revolute on 
the margin, and now and then minutely bidentate; flower 
large and pale violet. 5. graminifilius, Pu. 
6. * pauciforus. Stem low and simple, few-flowered, 
(3 to 6); leaves linear and smooth, those of the stem sub- 
ulate and subamplexicaule; peduncles axillar and termi- 
nal, about 1-flowered, and in common with the calix vis- 
_ cidly pubescent. Haz. On the margins of saline springs, 
ar Fort Mandan, on the Missouri, Flowering in Au- 
_ gust. Stem 6 to 12 inches high, on the lower part very 
smooth. Radical leaves long and linear, somewhat car- 
nose, channelled. Peduncles rarely perfecting more than 
_ 1 flower. Calix hemispherical, about equal with the disks 
- leaflets nearly all equal and acute. Radial florets about 
lanceolate, acuminate, appressed; rays numerous, shorter 
than the calix. Has. In the sak anatghes of New Jersey 
and New York. Perennial: stem from 6 to 18 inches 
_ high, generally fiexuous; leaves smooth on the margin; 
_. branches axillary, ofien commencing from the base, sim- 
- ple or subdivided, often 2-flowered: Flowers few. and 
, the rays whitish, or pale purple, oblong and ra- 
te, with the margin scabrous, w subulate; 
subcylindrie, scales subulate, radial florets minute. 
