TETRANDRIA. DIGYNIA. 167: 
S. Vess. none, The neck of the cup closes upon the 
seed, and does not open again, sia S43 
Szep solitary, oval, compressed. 
Oszs. The Alchemilla vulgaris has sometimes 2 seeds. 
| DIGYNIA. 
_ BUFFONIA. 
Car. Cup 4-leaved, upright, permanent. Leafits awl- 
shat keeled, friesrib erect at the wipe = 
Bioss. Petals 4, oval, upright, equal, notched at the 
_.__end, shorter than the calyx. 
se Bigot e ments 4, equal, as Jong as the germen. Anthers 
ouble. ep 
Pist. Germen egg-shaped, compressed. Styles 2, as long 
as the stamens. Swmmits simple. Ss mee 
S, Vess. Capsule oval, compressed, of 1 cell and 2 valves, 
SEEDs 2, oval, compressed, Sse marked with a little pro- 
tuberance; convex on one side, Sea” asa: ee aD 
Oss. Lofling thought he once found 4 stamens, but after- 
wards altered his opinion. Alstreemer often found 4. Gerard 
Sometimes 4, sometimes 2, rarely 3. Linn, 
BE’TULA. Tourn. 360. 359. Geerin. 90. 
Male flowers. SP oe : stale’ 
Car. Cathkin tiled on every side, limber, cylindrical. 
Scales 3-flowered, with 2 very minute scales, one on 
each side the larger scale. Three equal florets fixed 
to the centre of each scale of the calyx, 
Cup to each floret, of 1 leaf, small, entire, but with 
3 or 4 divisions. Segments egg-shaped, blunt. 
Bioss. none. | ; 
AM. Filaments 4 (3, or 2) to each floret ; very small. 
_ Anthers roundish. ae seed 
_ Female flowers on the same plant. ans 
Can. Catkin cylindrical, roundish, tiled. Scales 2- 
flowered. : . : re Ase 
Bross. none. ‘ 
Pisr. ‘“Germen to each flower, compressed, very small, 
2-seeded. Styles 2, like bristles. Swmmits simple. _ 
S. Viss. none ; each scale of the catkin protects the seeds- 
of 2 florets. 3 
SkEps solitary, egg-shaped, 
