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405
B. Folia tenuia, + persistenter pilosa, - reniformia v. lunata,
+ dense et profunde erenata. Commissura mericarpiorum angusta.
1. Latitudo fruetuum longitudinem subaequans, cire. 4 4 mm.
10. C. biflora (Vell.) Nannf.
2. Latitudo fructuum longitudinem valde superans. Facies fruc-
tuum distinetissime reticulata.
11. C. asiatica (L.) Urb.
1. C. hirtella Nannf. n. sp.
C. asiatica Malme, Ark. f. Bot., 3:13, p. 7 (p. p., “planta in viciniis ete.*)
(1904). — Hydrocotyle asiatica Archev., Fl. urug. II, p. 323 (1905).
Spee. orig.: Exp. Ema Regnell. Phanerog. Nr B. 408, G. O. Malme.
Icon.: Fig. (nostra) 1 a; Fig. 2g; Tab. (nostra) VI, fig. 1.
Planta robusta; caules repentes, subterranei, internodiis circ.
3 mm crassis, 5—10 cm longis, ad nodos radiculas emittentes.
Folia petiolis longiora, crassa, flavescenti- vel canescenti-viridia,
ovalia, ovato-ovalia v. orbiculari-ovata, 2—4 cm longa, 1,5—3 em
lata, apice late rotundata v. truncata, basi subdeltoidea v. truncato-
cordata, sinu angusto v. rarius latissimo instituta, margine obtuse
crenata, crenis basin versus acutioribus et densioribus, juvenilia
supra dense, breviter et nitidule, subtus densissime, longe et nitide
pilosa, mox supra glaberrima, subtus parce pilosa, pilis luteo-ferru-
gineis obsita; petioli 1—3 em longi, dense pilosi, cirea medium
in vaginam 2,5—3 mm latam, glabram abrupte dilatati.
Umbellularum radii petiolis breviores, juveniles densissime
et longe villosi, adulti glaberrimi—subglabri.
Folia involucralia purpurascentia elliptico-ovata, apice
oblusa, latissime marginata, plurinervosa, apicem versus nervis in
callum. confluentibus, externe dense et longe pilosa.
Petala rosea, triangulari-ovata, 1,5 X 1,0 mm, externe ad ner-
vum medium longe et dense pilosa.
Antherae rectangulari-ovatae v. -ovales, 0,5—0,6 X 0,3—0,4 mm,
saturate purpureae apice et basi paullo emarginatae, sub medio
alfixae, filamentis subaequilongae.
Fructus parce villosi, brunnei, mediocres, 3,5—4,0 X 2,5—3,0
X 1,0—1,2 mm, commissura mericarpiorum circ. 0,8 mm lata, apice
truneati, basi latissime cordato-sinuati, sinu vix ad 1/70 secante; discus
circ. 2,5 mm latus, subplanus, ad commissuram haud emarginatus,
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