m 145 
Mediterran. rupibus littoreis proprii) ramosissimi. 'Fol. pin. 
natifida. Flor. aurei solitari v. corymbosi.: Papp. nivens. 
Huc Prenanthes pinnata L. Pr. spinosa Vahl.: -- j 
20. Sonchus. Inv. polyph. adpresse imbricalum basi: 
dilatatum apice connivens. Rec. scrobieulatum marginibus: 
elevatis laceratis scabrum, leviter favosum. Flose. indefi- 
nitiz fauce exins villosiss. Anth. basi acute bidentatae. 
. Sligm, hispidula. Achen, ancipiti- compressa, sulcata, 
jugis transversim rugosis scabra, apice simplicia. Papp. 
tenuissime capillaceus mollissimus fugax, rad. copiosissi- 
mis: inaequalibus basi faseieulatim connatis!-— Herbae 
(Europ.) robustae radice perenni. Fol. saepius runeinata. 
Fl, aurei corymbosi raro subsolitarii. Huc Sonchus arven: 
sis L, S. palustris L,, et planta Pallasiana floribus subso- 
litariis, invol. laevibus. S. oleraceus parum differt radice 
annua et rec. glabro. 
21. Barkhausia Inv. simpliei ordine poly(7—8)- 
phyll. connivens torulosum, bast squamis pluribus (8—9) 
dilatatis scariosis ealyeulatum. Rec. favosum, lacin. cilia- 
ts. Flose. indefiniti. Anth. basi bisetae. Stigm. filiformia, 
spiraliter revoluta minute papillosa, Achen, fusiformia sul- 
“ cata leviter muricata, apice attenuate elongato scahro,. 
Pappi radiis triplici ordine digestis, tenuissime capillaceis 
denticulatis, — Herbae (Europ.) ereciae ramosae, radice 
annua. FI. solitarii longe pedunculati. Huc referendae Üre- 
pis alpina L, Cr. rubra L. An etiam Cr. vesicaria L. et 
Barkhausia purpurea et hyemalis Bivon.? nn 
The unsatisfactory nature of the theories proposed 
io account for Ihe descent of.the radicles in the 
germination of seeds, shewn by experiments. By 
Henry Johnson Esq. etc. p. 312. 
Der Verf. machte verschiedene Versuche mit keimen- 
den Pflanzen, um zu schen, was auf die Richtung des 
Linnaea Sr Bd. Lilterat, \ 10 
