IIAPH AN US— RHAMNUS. 
recui'va'tus, calyx and corolla recurved ; 
jarpels uncinate ; t-tem erect; petioles cov- 
ared with stiff, spreading hairs. Shady 
woods. 
fiuvia'iilis, (river crowfoot, w. y. M. ll) 
etem submersed ; leaves dicliotomous, cap- 
illary. 
bulbo'sus, (y. M. Z/.) very hirsute ; leaves 
ternate, 3 cleft, gashed and toothed ; stem 
erect, many-flowered ; petals obcordate, 
ihorterthan the reflexed sepals; root bul- 
bous. 
penmylvn'mcus, (y. Au. 2i.) stem pilose, 
srect, branching; leaves ternate, villose; 
segments sub-petiolate, acutely .3-lobed, in- 
oisely serrate ; calyx reflexed ; petals about 
equalling the calyx; styles of the fruit 
straight. 1-2 f. 
hirsu'tus, (pale buttercup, y. Ju. li) bir- 
sute ; leaves ternate ; stem erect, many- 
flowered ; peduncles sulcate ; calyx reflex- 
ed ; fruit globose ; carpels tubercled ; root 
fibrous. Wet Holds. 
clinto'nii, (y. M. 2^.) leaves ternate, 
hairy; leafets toothed and incised, cuneate, 
terminal ones petioled, floral leaves incised 
or linear; peduncle 13 flowered; petals 
rounded ; calyx spreading ; carpels mar- 
gined, with a short, uncinate style. 6-8 i. 
lanufrino'ms, (y. J. 2^.) hirsute ; leaves 3- 
;left, lobed, dentate ; whole plant silky ; ped- 
mcles elongated, terete ; calyx spreading. 
aquafilis, (water crowfoot, w. Ju. I/.) 
stem floating; leaves submersed, divided 
into capillaceous segments; petals obovate- 
oblong, longer than the calyx. Var. heter- 
ophyVlus, immersed leaves 3-parted. Var. 
capilla'ceus, leaves petioled, all immersed, 
and filiformly dissected. Var. cespito'sus, 
leaves petioled, all immersed; base of the 
petiole broad-sheathing and auricled. Var. 
stagna'lis, leaves sessile, all immersed, fili- 
formly dissected, circicat.e ; segments short ; 
carpels rather acute, nearly smooth. 
marylandl'icns, (w-y. M. 2/.) pubescent; 
stem simple, sub-naked ; radical leaves ter- 
nate ; leafets 3-lobed ; lobes acute, gashed ; 
calyx reflexed. 
hedera'ceus, (Ju. 11.) stem creeping; 
leaves sub-reniform, about 3-5 lobed ; lobes 
broad, entire, very obtuse ; petals oblong, 
scarcely longer than the calyx ; stamens 
5-12 , carpels glabrous. S. 
echina'tus, (y.) simple, rather glabrous ; 
.eaves roundish, 3-lobed ; petals twice as 
•ong as the calyx. S. 
iomento'sus, (y. 1/.) stem ascending, very 
villose, 1-2 flowered ; leaves petioled, to- 
mentose, 3-cleft, upper ones sessile, ovate, 
entire ; calyx very villose, sub-reflexed. S. 
carolinia'ims, (y.) stem erect, branched, 
and with the petioles appressed, pubescent ; 
leaves glabrous, 3-cleft or 5-lobed ; lobes 
ovate, somewhat gashed, toothed; calyx 
glabrous, reflected, a little shorter than 4;he 
petals, S. 
traehysper"mvs, (y. M.) stem, petiole, 
and leaves, villose, with the hair si>reading; 
leaves 3-cleft ; lobes acutely gashed ; ped- 
uncles short, opposite the leaves; carpels 
tubcfcled, with the point hooked. 12-15 i S. 
mnrica'tus, (y. A p. ^.) leaves pedoled, 
glabrous, roundish, 3-lobed, coarsely tooth- 
ed ; stem erect or diffuse ; peduncles oppo- 
I site the leaves ; calyx spreading ; carpels 
j rough-tubercled on both sides, with a 
I straight-acuminate point. 12-18 i. »S. 
I B. Leaves undivided. 
! lin"gua, (great spearwort, y. Au. H-) 
leaves long, lanceolate, serrate, semi-am 
plexicaulis; stem erect, smooth, many- 
flowered ; flowers large. Banks of streams 
2 3 f. 
Jlamvm'la, (spearwort, y. Ju.) leaves gla- 
brous, lance-linear, lower ones petioled, 
stem decumbent, rooting; peduncles oppo- 
site the leaves; flowers smaller than tho 
preceding. Swamps. 12-18 i. 
pnsil"lus, (y. Ju. 2X.) erect; leaves peti 
oled, lower ones ovate, upper ones lance 
oblong; petals about as long as the calyx. 
6-12 i. 
rep"tans, (w-y. Ju. 2^.) leaves linear-sub- 
ulate ; stems filiform, creeping, geniculate ; 
joints 1 -flowered. 6-10 i. 
nemoro'sus, produces yellow flowers 
from May to August. Ex. 
illyr'icus, remarkable for its silky, white 
leaves. Ex. 
plantagin"eus, (Ap. w.) leaves glaucous, 
lanceolate. 
RAPHA'NTTS. 14—2. {Crucifera.) [From 
radios, root, phainesthai, to grow quickly.] 
sati'vus, (garden radish, w. J. leaves 
lyrate ; silique terete, torose, 2-celled 
There are several varieties of this species- 
one has a fusiform, another a globose, an- 
other a black root. Ex. 
raphanis"trum, (wild radish, y. Au.) 
leaves simple, lyrate ; pod jointed, 1-celled, 
striate, 3-8 seeded. 1-2 f. Stem hispid. 
Fields. 
RENSSELAE'RIA. 19—12. (Aroidem.) [In 
honor of Gen. Stephen Van Rensselaer, of 
Albany, N. Y.] 
mrgin"ica, (g. J. 2^.) scapes several from 
one root ; leaves on long petioles, oblong, 
hastate-cordate, with the lobes obtuse, a :bot 
or more long ; spatha lanceolate, involute, 
border undulate, closely embracing the 
spadix, which is long and slender ; berries 
1-seeded. 12-18 i. 
RESE'DA. 12—5. (Capparides.) [From re- 
srdo, to appease, so called from its supposed 
viitues in allaying inHammation.] 
odora'ta, (mignonette, w-y. Ju. 0.) leaves 
entire and 3-lobed ; calyx equaUing the co- 
rolla. Ex. 
luteo'la, (dyer's weed, y.) leaves lanceo- 
late, undulate, entire, each side of the base 
toothed ; calyx 4-cleft ; flowers in a spike. 
Introduced. 
micraii"thus, (y.J hairy ; leaves petiolate, 
somewhat rhombic-ovate, crenate, some 
3 parted or 3-cleft, cauliue ones sub-sessile, 
with 3-5 linear-oblong segments ; sepals 
with a broad, membranaceous border, aa 
long as the corolla. Ex. 
RHAiVI"NUS. 5—1. (.Rhamm.) [From rmo, 
\ to destroy, oii account of the vna» y thorns 
of some of its species.' 
