g 
PTEE 
 ICOSANDŘIA DI-PENTAGYNIA. Spiræa. 
x Herbacee. 
10. S. foliis 2-3-pinnatis, spicis. paniculatis, floribus 3-gynis. 
dioicis.— Willd. sp. pl. 2. p. 1060, 
Icon. Pall fl. ross, 1. t. 26. 
B. S. foliis lucidis, panicula oblonga, spicis gracilibus her- 
maphroditis. 
In the mountains: Pensylvania to Georgia. XM. June, 
. July. v. v. Flowers white; a very elegaut plant. 
- 11. S. foliis piunatis glabris, impari majore 7-lobo, laterali- 
bus 3-lobis, corymbis proliferis. Willd. sp. pi. 2. 
p. 1062. 
S. palmata. Linn. suppl. 262. 
‘Icon. Jacq. hort. 1. t. 88. 
- fn fertile. wet. meadows inia and Carolina, A. 
July, Aug. v. v. ME perennial ; flowers red, 
in large clusters, à : 
12. S, foliis ternatis lanceolatis serratis subeequalibus, stipulis 
linearibus integris, floribus terminalibus laxe panicu- 
latis 5-gynis, calyce tübuloso campauulato.— Willd. 
sp. pl. 2. p. 1063. 
Gillenia trifoliata, Mænch. meth. suppl. p. 286. 
Icon. Mill. ic.256. Bot. mag. 489. 
lu shady woods and on bogs: Canada to Florida ; prin- 
ail in the mountainous parts thereof. XY. June, 
July. v.v. A very fine perennial; flowers large, 
white. Tt may, with the following species, with all 
propriety form a distinct genus. - 
13. S. foliis ternatis lanceolatis inciso-serratis subeequalibns, 
stipulis foliaceis ovatis inciso- dentatis, floribus termi- 
nalibus laxe paniculatis 5-gynis, calyce campanulato. 
—Wilid. enum. p. .... 
B.S. foliis ternatis, foliolis pinnatifidis inciso-dentatis, 
. In shady woods: Kentucky and Tennassee. X. June, 
July. v.v. Flowers resembling the former species. 
The variety 8. appears very different ; but, as I have 
not seen it in flower, I did not venture to make it a di- 
stinct species. 
bx 
343 
Aruncus. 
americana, 
lobata. 
trifoliata. 
stipulacea, 
incisa, 
