CRITICAL STUDY OF RANUNCULUS AQUATILIS L. VAR. y 49 
p. 43 (1877); Willk. et Lange Prodr. Fi. marian Mi a YS toe 
Camus Cat. Pl. France, oa a Belgique, p. ee 
Fl. Wilts. p. 388 (1888) ; . Druce Fi. Bask 9 ( 
Halacsy sane. FI. Show - 5 12 (1900) : Bab, Man. Buk "Bee 
ed. 9, p. 6 (1904 
Syn. —Batrachium trichophyllum Van den Bossche Soins 
Des Moul. in Act. Soc. Linn. Bordeaux, xx. p. 456 (1859); Dwmo 
in Bull. Soc. Bot. Belg. ii. p. 216 (1863) oon Consp. FL. earn 
15 (1878) ; Corbiére Nouv. Fl. Normand. p. 20 (1 ough a 
paucistamineus var. rolsphoie Formanek in . Bot. 
. 79 (1898). 
specie priori notulis epics ae —Glaber vel in 
parte sae ped at 3-4 dem. Caulis sat vel mediocriter 
ramosus, plus minus elongatus, swpius precipds | in parte superiore 
hispidulus, Netiets paullum succulento-incrassatus. Folia in 
oe formis breviora, nigrescenti-viridia, inferiora plus min 
mediis petiolata, superiors sessilia, repetite arcteque trithroata, 
internodia breviora, pate na fee, ; lacinie, extra aquam planta 
ablataé, manifeste Aivergentos subrigide, haud in eo . colla- 
bentes. Stipulee semi- nantes, obtuse 
late aniguain | ikoa vel glabre.. Alabast Sap Fe i Pedunculi 
ut plurimum saltem sub eee foliis vewieee xel etiam equi- 
longi, sepe 2-3 ctim.; fructiferi firmi sagem ge basin 
versus magis curyati. Flores ice 12-13 mm. in diam., interdum 
minores, spe paullum majores. Petala stabociiceie.. inferne 
m 
paullum conica. taculum globosum. Carpella circiter 30, 
adhue viridia, sepius hi d mar. m 
attenuata, =e compressa, basi apiceque attenuata; stylus 
sat longus angustus trigonus, apicem versus curvatus, basi trun- 
catus, in preoogenent pistilli marginis superioris (ergo a oram 
breviorem interiorem) insertus, stigmate multum angustius ovali 
(vel ellipsoideo) conspicue papilloso 
Hab. SB gh The northern limit of the species is the river 
Jesjokka, in the: amt of Finmarken, Arctic Norway, near i 
junction with the rapid Karasjokka, lat. 69° 15’, at a station 319 
metres above sea-level (J. M. Norm page Norges Arktiske Flora, i. 
[1894] 73)—forma carnosa. The northern limit of the typical 
ae is at Huso, on the West rane aie ee and Fraeno- 
in-Hammer, on a many-armed peninsula in lat. 68° 15’, in the amt 
of Sordid (J. M. Norman, l. ¢. ii. [1895] 39), In the latitude of 
the Arctic Circle the flowers are = opened by 22nd July. In 
ova it pro robabl y does not occur north of the Heine 
me very near, but they may be 
states of R. diwaricatus. 
JournaL or Borany.—Vou. 46. [FEBRUARY, 1908) E 
vo. Bot. Ga rden 
1S09 
