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122

(1839-1846)
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122 *

Ranunculus Confervoides Fries el Angstr- 31 ser. — R.
aqua-tilis v. eradicatus Læslad. A". Acta Ups. XI p. 242 forma
2-3-pollicaris, tenella’, subaquanea.

In aquis Lapponiæ el Finlandiæ borealis v. c. ad Uleåborg,
unde specimina a Cl. Nylander missa dedil Ångström.

Herba tenella, sed lite evoluta 1—2-pedalis, floribus
ex-ceptis tota submersa. Caules filiformes, quanlum in specc. siccis
videre lieet tereles, ramosi, (laccidi, reraole arliculati, herbacei.
Folia e vaginis hispidulis peliolala, omnia selacea, sed
rcliquo-rum minus mullifida, laciniis rarioribus rigidulis divergentibus
vix in penicillum collabentibus. Pedunculi æquales, hispiduli,
etiam fructiferi slricti. Flores virginei globosi semine Cannabis
vix majores; explicali B. hederacei haud multo majores. Pelala
cunealo-obovata, obtusa, trinervia, ovariorum capitulo parum
longiora. Slamina 10—15, ovariorum capilula lougiora.
Recepta-culum conico-cylindricum, longe hirsulum, cum carpellis
glo-bosum. Carpella obovato-turbinala, fere æqualia, extus acute
carinala, omnino mulica, apice rolundato-obluso, sursum primo
hispidula, demum calva: diu lævia persistenlia, ceterisque
de-mum multo obsolelius transverse rugosa.

Singulari fruclus indole ab omnibus nostris longe recedit
et tanlum comparandum est:

Batrachium triparlitum, caule tereli herbaceo, foliis
petiolatis, emersis triparlilis laciniis obovato-cuneatis, submersis
capillaceis, petalis oblongis aculiusculis, . receptaculo rugoso,
carpellis obovato-turbinatis æqualibus rolundato-oblusis dense
corrugalis glaberrimis.

R. triparlitus Dec. Fr. 5. p. 637. {Syst. ]Seit. 1. ;>. 234
exclus. var. obtusiflora). In aquis Galliæ.

Obs. E lacu Mälaren Cl. Lindeberg atlulit
Batrachium quoddam singulare penicillium, sed foliis longe
petiolatis, laciniis selaceis numerosissimis sed brcvissimis in densissimum
penicillum stipatis, babitu maxime peculiari, quod probe
inqui-rendum utrum conslans an potius monstrosa progenies.

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