178 Maximowicz. 
inaequaliter repandodentatis, e sinu in petiolum (infimorum angustissime) alatum basi auricu- 
lato-amplexicaulem attenuatis, superioribus obovatis oblongisve longius acuminatis basi parum 
attenuata lata auriculatoamplexicaulibus ; paniculae laxae subracemosae angustae polycephalae 
ramis abbreviatis erectis racemosis pleiocephalis, foliis floralibus linearibus minutis, pedunculis 
squamatis capitula subaequantibus; involucri anguste ovati squamis imbricatis subtriserialibus, 
intimis linearioblongis obtusiusculis; achaeniis (atris) planocompressis ellipticis marginatis utrin- 
que {-nerviis tenuissime rugulosis ex apice subemarginato rostro brevissimo crasso (lutescente) 
instructis, pappo duplo saltem brevioribus. 
Hab. Am untern Amur: unterhalb Ssündaka, an Waldrändern, auf Mergelboden, häufig, 
24 Juli (., achaen. fere mat.); Messur, an offnen Stellen feuchter Laubwälder, nicht häufg, 
30 Juli (flor.); Turrme an der Ussuri-Mündung, im Laubwalde zerstreut, nicht selten, 31 Juli 
(flor.), ebenda in Weidengebüschen, selten, { Aug. 1855 (flor.). 
Species pulchra, paullo affinis L. elongatae Mühlbg var. integrifohae, a qua tamen longe 
distat foliis basi angustiore amplexicaulibus, rostro brevissimo nec achaenio parum breviore, 
achaeniis latioribus. L.-sagittata W. K. nostram in loco umbroso enatam paullo appropinquat, 
sed abhorret foliis, achaeniis, inflorescentia breviore atque latiore. 
Aonua vel biennis, 4-pedalis vel humilior, erecta, pallidius viridis, glabra. Radix fusi- 
formis ramosa brevis. Caulis pennam cygneam usque crassus, striatus, teres, inferne a foliis 
denudatus purpurascens. Folia caulina infima petiolo laminam aequante anguste marginatoalato 
basi in auriculas rotundatas parvas dilatato semiamplexicauli, lamina plus minus argute inae- 
qualiter repandodentata dentibus mucronulatis, membranacea, subtus multo pallidior glauces- 
ceus, {5 cent. lata, 16 (rarius 18) cent. longa. Folia media petiolo latius alato auriculis 
ellipticis seu oblongoellipticis dentatis majoribus amplexicauli in laminam cuneatim abeunte 
donata abeunt in superiora obovata vel oblonga, longius acuminata. Panicula tertiam partem 
caulis circiter occupans angusta (ambitu linearioblonga) subdenudata, ramis erectopatulis 5 cent. 
longis, {—5-cephalis, racemosis, vel brevior (ambitu late oblonga), ramis { dec. usque longis 
iterum ramosis, ramulis 1—5-cephalis racemosis. Pedunculi omnes squamis ovatis obtusiuscu- 
lis { mill. longis fulti. Capitula diam. 11 cent., involucro 1 cent. longo, basi 5 mill. lato, 
florifero anguste ovato, fructifero ovato apice attenuato. Squamae extimae ovatae obtusiusculae, 
mediis ovalioblongis subacutatis duplo breviores, intimae, medias subduplo superantes, lineari- 
oblongae vel basi paullo latiores. Ligulae luteae. Achaenium 4 mill. longum, 21 mill. latum, 
subellipticum (sursum paullo latius), apice brevissime emarginatum, rostro À mill. non attin- 
gente in cupulam pappigeram dilatato superatum, margine area intermedia {-nervia subtriplo 
augustiore circumdatum, tenuissime transverse rugulosum. Pappus candidus, facile a rostro solutus. 
(458) 91. Lactuca amurensis RBgl. Ind. sem. h. Petrop. 1857 p. 42. Annua(?) 
glabra ; caule erecto tereti folioso apice paniculato; foliis subtus in costa media plus minus 
setosis, inferioribus in petiolum attenuatis intermediis et superioribus basi sagittata sessilibus 
oblongolanceolatis vel lineari-lanceolatis, integris vel runcinato-dentatis vel runcinato-sinuato- 
