Umbelliferae u 719 
P. gracillimum (WouLrr) HaxD.-MzT. (Cr. gracillima WOoLFrrF). 
“P. kiangsiense (WoLrr) Haxn.-MzrT. (Or. kiangsiensis WoLFF 1927, 
e typo. — Cr. decipiens Norm. 1929, e typo). 
-P. leptophyllum (Dunn) HanD.-Mzr. (Cr. leptophylla Dunn). 
P. Mairii (Dıiers) HavD.-Mzr. (Or. M. Dieus). 
:P. Rosthornii (Deus) Haxn.-Mzr. (Pimpinella R. Dies). 
"P. Tanakae (FranchH. et Sav.) HanD.-Mzr. (Chamaele? T. Fr. et Sav.). 
"P. trichomanifolium (FrAancH.) HayD.-Mzr. (Carum t. FRANcH.). 
“P. viride (Norm.) HanD.-Mzr. (Or. viridis NoRM.). 
"P. vulgare (Dunn) HanD.-Mzr. (Or. vulgaris Duns). 
“P. Woljfianum (FEppe) Hann.-Mzr. (Or. Wolffiana FEDDE). 
“ P. sinense (FrancH.) HanD.-MzrT. (Carum sinense FRANCH.). 
Sium L. 
Y. **$S. frigidum Hax».-Mzr. (Taf. XI, Abb. 24). 
Radix anguste daueiformis, © ?, caudicem anguste fistulosum erectum ad 
4 cm longum in nodis radieibus tenuibus praeditum, limo immersum, apice foliorum 
rosulam caulemque singulum vel ad 3 gerentem edens. Caulis 5—15 cm altus, 
inferne ad 2mm crassus, fistulosus, teres, tenuiter striatus, prope basin vel 
medio monophyllus nunc saepe angulo dimidio furcatus. Folia ambitu oblonga 
vel lanceolata, 1—4cm longa, remote 3—6jugo pinnata; foliola sessilia vel 
infima brevipetiolulata summa magis approximata, late ovata usque lanceolata, 
2—10 mm longa, oblique bipartita vel subtripartita, lobis obtusis vel acuti- 
usculis leviter et parce crenato-serratis, basi cuneata vel anguste rotundata, 
crassiuscula, nervis tenuibus subtus conspicuis, ut tota planta glabra; petiolus 
lamina + zaequilongus, ut rhachis crassus, vagina inferiorum brevi et angusta, 
straminea, summorum saepe pinnulis paucis linearibus tantum praedi- 
torum et subsessilium sensim late obovata, inflata, rotundata, ad l cm longa. 
Umbellae in pedunculis seil. ramis 2—7 em longis, plerumque 3radiatae; in- 
volucri phyllum unum lineare, foliaceum, integrum vel denticulatum, usque ad 
l cm longum; radii aequales, 5—20 mm longi, tenues. Umbellulae 4—9florae, 
pedicellis inaequilongis, 2—8 mm longis, tenuibus; involucelli phylla nulla vel 
1—2, subulata, pedicellis breviora.. Sepala minutissima, triangularia. Petala 
late elliptica, ungue subnullo, 1 mm longa, plana vel apice rotundato inflexo, 
alba (e nota ad vivum), nervo intus carinato. Antherae maiusculae, pallidae. 
Fructus late ellipsoideus vel subglobosus, ce. 2 mm diametro, basi minute cor- 
datus, a latere leviter compressus, jugis dorsalibus 5", commissuralibus 4"is 
rotundatis paulum prominuis; fasciculi fibrovasales in jugis primariis, dorsales 3, 
commissurales 2; vittae dorsales 2 in jugis secundariis, laterales utrinque 2—3, 
latae, commissurales 4, minores. Carpophorum indivisum. Semen ventre planum. 
Stylopodium minutum; styli Y, mm longi, patentes. 
NW-Y.: Im Schlamm von Mooren der ktp. St. Djolo zwischen Anangu und 
Dschungdien, 3550 m, 16. VIII. 1915 (7684) und Nguka-la sw von hier, 4125 m. 
Species peculiaris, huic generi tantum attribuenda, etsi characteribus 
nonnullis aberrantibus et ad Pimpinellam vergentibus. 
Die Pflanze war von WoLrF wegen mangelhaften Fruchtmaterials un- 
