472 
SEEPICUL A.~SIDA. 
A. Fli/rets tubular; those of the ray 
wanting. 
hieiacifo'ha, (fire-v/eed, v,^. J. 0.) stem 
rirgale, paniculate ; leaves clasping, oblong, 
acute, unequally, acutely, and deeply tooth- 
ed ; involucre smooth ; seeds pubescent ; 
stem y-6 f. high, succulent, branching tow- 
ard the summit; flowers in a compound, 
terminal panicle. Road-sides. 
vvlga'ris, (groundsel, y. 2X-) flowers in 
crowded corymbs. Stem 18 i. Cultivated 
grounds. Introduced. 
B. Flowers with ray florets. 
nvre'a, (y. 11.) radical leaves ovate, cor- 
date, serrate, petiolate ; cauline ones pin- 
nutitid, toothed, the terminal segments lan- 
ceolate ; peduncles thickened ; flowers 
Romewhat umbelled. Shady woods. 2 f. 
obova'ta, (y. J. ZJ[.) stem smoothish ; 
radical leaves obovate, crenate-.serrate, 
petiolate ; cauline ones pinnatifid, toothed ; 
flowers somewhat umbelled, on long ped- 
uncles ; rays 10-12. 1 f. Rocky hills. 
paupercn'lKa, [11 ■) simple, erect, nearly 
naked ; leaves lanceolate, radical ones sub- 
entire and gash-toothed; corymb few-flow- 
ered ; involucrum snK)oth ; raj-s small. 
gra'cilis, (y. J. 2i.) slender; radical 
leaves very long, petioled, orbicular, sub- 
cordate, crenate ; cauline ones few, very 
remote, linear-oblong, dilated at the base, 
incisely toothed ; peduncles very .short, 
hairy, sub-umbelled ; involucrum smooth; 
rays few, very short. 1 f. 
hahavii'ta, (y. J. 2/.) stem and peduncl'^s 
villose at the hase ; radical leaves oblong, 
serrate, petioled; cauline ones lyrate or 
pinnatifid ; flowers sub-umbelled. Mead- 
ows. 1-2 f. 
ciUa'ta, (w.) pilose ; leaves lance-linear, 
ciliate. S. 
tomenf.o'sa, (M. 2^.) stem simple, hoary 
and woolly ; leaves petioled, oval, lanceo- 
late, serrulate ; corymb sub-umbelled ; seed 
pubescent. 2 f. S. 
fasti gia'ta, (y.) leaves of the root ob- 
long, cordate-ovate, crenate toothed, glab- 
rous, cauline ones pinnatifid; segments 
gash-tootlied ; flowers sub-umbelled ; ped- 
uncles and involucrum glabrous. 2 3 f. 6\ 
ba'ta, (butter-weed, y. M. @.) glab- 
. u8 ; leaves pinnatifid, lyrate , lobes round, 
Bub-repand ; coiymb compound ; highest 
peduncles sub-umbelled ; seed oblong, 
striate. 1.3 f. S. 
SERPIC'ULA. 20—9. {Hijdrocharides.) [From 
serpo, to creep.] 
canadeii"sis, (iittle-snake weed, w. Ju. 
11.) perfect flowers triandrous ; stigmas re- 
flexed, bifid ; leaves hnear, acute, some- 
what whorled, glabrous, denticulate ; pistil- 
late corollas tubular. 
SESA'MUM. 13—2. (Bignoniee.) [An Egyp- 
tian name.] 
in"dicnm, (oily grain, bene-benni, r-w. 
Au. leaves lance ovate ; outer ones 3- 
lobed ; upper ones undivided, serrate. 2-4 f. 
SESBA'NIA. 16—10. (Leguminosa:.) 
vesica'ria, (y. Au.) leaves pinnate; leafets 
oblong, obtu.se, glabrous : racemes .shorter 
•Jian the leaves. 5-7 f. <S. 
macrocar"pa, (y. and p. 6. glabroa<? 
leaves pinnate ; leafets elliptic, glabi-ous. 
entire, sub-glaucous beneath ; racemes ax 
illary, few-flowered ; legumes slender, 
nearly terete. 4-12 f. S. 
SES"ELI. 5—2. {Umbellifera.) [Origin of 
the name doubtful.] 
triter" na'tum, (M. y, 2^.) leaves triter- 
nate ; leafets long, linear ; umbels hemis- 
pheric; involucrum leafy, linear; leafets 
equal length with the umbels. 
SESLE'RIA. 3—2. (Grominece.) 
dactyloi'des, (moorgrass, g.) culm leafy 
setaceou.s ; leaves .short, flat, subulate, sub 
pilose; spikes 2-3, few-flov,'ered ; calyx en- 
tire, acuminate ; stipules bearded. 4-5 i. iS. 
SESU'VIUM. 1!— 5. {Ficoidem.) ^ 
sessile, (r. Ju.) flowers sessile ; leaves 
linear-oblong, flat. Stem succulent. Sea- 
coast. 
pednn"cii'latvm, (w. Au.) prostrate, terete; 
leaves linear-lanceolate, obtuse, entire, suc- 
culent; flowers solitary, axillary, short-ped 
uncled, polyandrous. (S. 
SEYME'IUA. 13—2. {Scrophularice.) 
teimifo'lia, (y-p. Au. @.) glabrous, very 
branching; leaves compound -pinnatifid ; 
segments iiliform, oppo.site, and alternate 
corolla sub-rotate. 3-4 f. S. 
pcciina'ta, leaves pectinate-pinnatifid. 
macro'phyl"la, (y. Ju.) branched ; lower 
leaves sub pinnatifid or deeply toothed, up- 
per ones lanceolate, entire ; corolla very 
woolly ; .stajuens scarcelj' exserted. 4-5 f. jS? 
SIIiBAl/'DlA. .5—5. (R.isacece.) [After Sii 
Robert Sihbald, .Huthor of Scotia Iliustrytica.] 
■procum'bens, (y. A p. 11.) leaves ternate ; 
leafets wedge form, 3-toothed, smooth above 
hairy beneath. 
erecf'ia, var. farviflo'ra, (r-w. Ju. $ \ 
erect, branching; radical leaves abouf 
twice 3-cleft ; segments sub-divided ; leaves 
of the stem sessile, alternate, sub-bipinnati- 
fid. 4-6 i. S. 
SIC'YOS. 19—15. iCucurbitacea.) [From 
the Greek sikuos, a cucumber.] 
augida'ta, (single-seed cucumber, w. @.) 
leaves cordate ; back lobes obtuse, 5 angled 
scabrous, denticulate ; tendrils umbellate , 
sterile flowers corymbose-capitate, with the 
coiimion peduncle long ; fertile flowers ses- 
sile ; fruit small, ovate, hispid, 
SI'DA. l,")— 12. (Malvaceat.) [Origin ol the 
name doubtful ] 
ahu'tilon, (Indian mallows, y. Ju. ip.) 
leaves round-cordate, acuminate, toothed, 
tomento.se ; peduncles solitary, shorter than 
the petioles ; capsule 2-awned, truncate 
4-6 f. 
spino'sa, (y. Ju. 0.) leaves ovate-lanceo- 
late, seiTate, dentate, witt a sub-spinose 
tubercle at the ba.se of the petiole ; stipule: 
setaceous ; pedicels axillary, sub-solitary 
mo.'^tly shorter than the stipules and petiole 
carpels 5, bi-rostrate ; seeds triquetrous 
ovoid. 1-2 f. 
napoi'a, {yv. Ju. 2/.) leaves palmately 5 
lobed, gla.brous ; lobes oblong, acuminata 
toothed ; peduncles many-flowered ; cap 
sules av/nless, acuminate. 2-4 f. ttock-^ 
D aces. 
