320 
lanceolatum. 
gramineum, 
vulgatum. 
viscosum, 
DECANDRIA TETRAGYNIA. Micropetalum. 
2. M. glabrum ; foliis lanceolatis utrinque angustatis, flos 
ribus paniculatis, petalis ovatis brevissimis.— Pers. l c. j 
Mich. l. c. 7 
On moist rocks: Canada to Pensylvania. Y. July. v.v. | 
3. M. glaberrimum ; foliis linearibus erectis, panicula ter- 
minali laxa, pedicellis filiformibus, petalis lanceolatis — 
longitudine calycis.— Pers. l.c. Mich. L c. oe 
Near springs and shady rocks: New York to Virginia 
Y. June, July. v. v. 
<A. fasciculata probably belongs to this genus. 
V. PENTAGYNIA. 
391. SPERGULA, Gen. pl. 798. 
l.S. foliis filiformibus verticillatis, panicula dichotoma, 
pedunculis fructiferis reflexis, seminibus reniformibus. 
 WWiüld.sp.pl.2. p.818. 
Icon. Fi. dan. 1033. Engl. bot. 1535. 
In sandy fields: Pensylvania, New Jersey, &c. O. 
.. June, July. v.v, i 
2. S. folis oppositis subulatis nudis, pedunculis solitariis 
longissimis glabris, Smith fl. brit. 2. p. 504. 
Icon. Engl. bot. 2105. un n oM 
In sandy fields: Carolina, ©. June, July. v. $.* 
Herb. Enslen, ee spo 
. 392. CERASTIUM. Gen. pl. 797+ 
1. C. hirsutum, viscidum, cxspitosum ; foliis ovatis, pè- 
talis oblongis calyce subaequalibus, floribus it 
eas "bw yd Smith fl. brit. 2. p.496. Willd. sp. 
2.2. p. 811. 
Icon. Engl. Lot. 789. Vaill. Par. tafi o uo 
In dry fields and among rocks ; frequent : New England 
to Pensylvania. ©. April—June. v.v. The flowers 
of the whole genus are white. - - d 
2. C. hirsutam, viscosum, diffusum ; foliis lanceolato-ob- 
longis obtusiusculis, petalis obovatis calyce vix longio- 
ribus, floribus pedunculo brevioribus.— Willd. sp. pl. 2 
f. 812, f : £p 
