86 ELEMENTARY BOTANY 
For median vertical section of the Rose see Plate 
VL, Fig. 113, 
This tribe includes a large number of genera, the most 
common of which are given in the following table for refer- 
















ence. 
ORDER, Rosacka—TRIBE II. 
NAME. su uEre Of RECEPTACLE. | FRuir. REMARKS. 
1. Spirea 8t05 |Flat Follicles Fruit spirally 
| twisted 
2. Geum — Numerous Conicaland A chenes Fruitprovided 
dry _ crowded on with hooked 
| receptacle | awns_ for 
dispersion 
(Fig. 88) 
3. Blackberry Numerous Conicaland Little drupes Plate VI., Fig. 
and raspberry dry (drupels) 114 
crowded on, 
receptacle 
4. Dog-rose Numerous} Succulent, |Achenes_ en- 
urnlike closed in 
receptacle | 
5. Potentilla | Numerous|Slightly jAchenes on 
swollen | receptacle 
6. Strawberry |Numerous|Very much Achenes on 
swollen & receptacle 
succulent : 
7. Ladies’ mantle, 1 or2 | Hollowed |Achenes en- No petals 
(Alchemilla) 10k closed im 
: receptacle | 
8. Great Burnet| lor2 | Hollowed |Achenes en-No petals 
{Sangwisorba) out closed in 
receptacle 
9. Salad Burnet | lor2 | Hollowed Achenes en- No petals 
(Potervwm) out | closed” in 
receptacle 
10. Agrimony 2 | Hollowed Achenes en-|Fruit covered 
closed — 
receptacle 
out 

in 
with bristles 


