< ICOSANDRIA. POLYGYNIA. 258 
SPIRAYA. Tourn. 141 Ulmaria, 150 Filipendula. 
Gertn, 69. 
Cau. Cup 1 leaf, with 5 shallow clefts, flat at the base. 
Segments acute, permanent. 
Bross. Petals 5, oblong, but rounded, fixed to the cup. 
Stam. Filaments more than 20, thread-shaped, shorter 
than the blossom, fixed to the cup. -dnthers roundish. 
Pist. Germens 5 or more. Styles the same number, thread- 
shaped, as long as the stamens. Summits somewhat 
: globular. ae 
S. Vess. Capsules oblong, tapering to a point, compressed, 
2-valved, 2 
SEEDs few, tapering to a point, small, fixed on the inside 
the seam of the ¢ B. 
Oss. In Spiraea Ulmaria, the capsules are numerous, and 
placed in a circle; in S. filipendula they are numerous, and 
twisted like a cork-screw. Lin. 
POLYGYNIA. 
RO’SA. Tourn. 408. Gertn. 73. 
Car. Cup 1 leaf. Tube bellying, narrow at the neck; 
border globular, with 5 divisions, expanding, Segments 
long spear-shaped, narrow, (2 of which are in some 
species furnished with appen on each side, and 
the other 2 alternate ones naked, in others only one 
ent has these appendages.) 
Bioss. Petals 5, inversely heart-shaped, as long as the 
cup, and fixed to its neck. | . 
Stam. Filaments many, hair-like, very short, fixed to the 
neck of the cup. Adnthers 3-edged. 
Pist. Germens numerous, at the bottom of the cup. Styles 
as many as there are germens, closely compressed by 
the neck of the cup; fixed to the side of the germen. — 
Summits blunt. + 
S. Vess. none. Berry fleshy, top-shaped, coloured, soft, 
of 1 cell, crowned by imperfect segments, closed at 
the neck, formed by the tube of the cup. 
SEEDs numerous, oblong, rough with hair, adhering to the 
inside of the cup. — ? 
-Oxs. The S. Vess. is formed of the calyx, and resembles 
@ berry, Linn. . 
