RANUNCULACEAE 523 
20. R. hispidus Michx. Stem 2-6 dm. tall, hirsute or villous-hirsute: leaf- 
blades pubescent, those of the lower leaves ' generally 3-parte ae al divisions 
suborbicular to cuneate, incised, lobed, or sometimes us petals 9-16 mm 
long: head of fruit globose to oval: achene-body 2.5-3 mm. aoe slight ly 
margined, the beak about % as long as the body. [R. septentrionalis mari- 
landicus Champ. |—(BRISTLY-BUTTERCUP.)—-Woods and thickets, various prov- 
inces, in Coastal Plain only N, Ga. to Ark., N. D., and Ont.—Spr. 
21. R. par sL. Stem erect, 1.5—4 dm. tall, strigillose or somewliat hirsute: 
leaf-blades erre. those of the n leaves mostl parted, the divisions 
incised or i. petals 7-11 mm. long: head of fruit chippoid or oval: 
body 2-2. ong, minutely beaked, dc faces papillose.— Waste- dr pod 
cially on ballast, Coastal Plain and New England Coast, Ga. to N. B. Nat. 
f Sum 
22. R. parviflorus L. Stem diffuse, 1-3 dm. long, seis leaf-blades finely 
june those of the lower leaves mostly lobed pd othed: petals 1-2 mm. 
long: head of fruit globose: achene-body about 2 m ong, papillose all over 
minutely beaked.—Waste-places and fields, Coastal loi nd adj. provinees, 
Fla. to Tex., Ark., and Md. Nat. of Eu. —(W . I.) —Spr.-sum. 
. R. muricatus L. Stem 2-6 dm. tall, glabrous or nearly so: leaf-blades often 
with seattered hairs, those of the lower ones mostly 3-lobe p m o toothe 
or incised: petals 5-8 mm. long: head of fruit pein e-body 4-5 mm. 
long, prominently beaked, the faces spiny.—Wast la B S po eem 
Fla. to Tex., Calif., and Va. Nat. of Eu.—Widely distributed. —Bpr.- 
19. S L. Annual or perennial herbs. Leaf-blades pinnately dis- 
sected. Flower solitary, terminal. Sepals often 5, broad.  Petals 5-16, larger 
than the sepals. Filaments filiform. Car- 
died numerous. Ac henes crowded at the 
ian 
1 L em 2-6 dm. tall: leaf- 
blades 2-5 sae per 6-9 long: 
petals orange or red, 8-12 long: head 
of achenes im 1-2 long: achene 
em. 
ie SANT ’S-EYE. RD 
EYE. ee WER. o E d 
x various Da E U. to Tex. 
of E i 
exam 
Mississippi River it — up in sun quantities. The petals usually have a 
dark spot at the bas 
0. THALICTRUM [Tourn.] L. Perennial herbs. Leaf-blades ternately 
decompound. Flowers perfect, polygamous, or dioecious, often numerous, white 
tal S 
or greenish. Sepals 4-5. Petals wanting. Stamens numerous, conspicuous. 
Carpels commonly few. Acheneés ribbed or nerved, sometimes stipitate.—Abou 
85 species, mostly in the north temperate zone.— MEADOW-RUES.—Several species 
have found their way into ornamental gardening, being admired for their myriad 
miniature tassels of. stamens. or the mist-like effect when ee en masse. 
