442 Scientific Intelligence. : 
the union of the three carpels into a compound pistil. Take now for ex- 
ample, a few of the genera 
Silene, 5, 5, 10, 3. Dianthus, 5, 5, 10, 2. 
Cerastium, 5, §,.10; 5. Sagina, 4-5, 4-5, 4-5—8-10, 4-5. 
Corrigida, 5, 6 5, 5 5, 3. Scleranthus, 5, 0, 10, 2. 
The 0 expresses sth absence of that part of a complete flower. While 
the curved line above indicates connation, or union of the several parts of 
the parts of successive cycles. The character » stands for an indefinite 
me as used by DeCandolle. So the formula for Malvacee is 
5, 5,0, 2- 
For Hypericinee, 5, 5, 3m —5a ay Rosacee, 5, 5,20, D. 
Commelynaceee, 3, 3, 6, 3. Tridece, 3, 3, 3, 3. 
ee es ee 
. ote Lay F ee en =~ 
Gentianee, 5, 5, 5, 2. Scrophularinee, 2:3, 3-2, 2:2,2.  — 
Rubiacee, a Ra 5, 5, 2. 
The botanist an paces the meee plan at a glance, It is gs 
applicable to the genera; a word or two in addition expend, | 
nature of wt fruit, or any ‘peculiarity of structure 
a for the past 
ten ae the Annales des Sciences Naturelles for 1858, published im 
1859, Garreau and Brauwers have an article upon the same subject, : 
brin ing out essentially the same familiar facts. They, however, direct — 
attention peponels to the continued exfoliation of these Moy gan 
which, in some cases, considerable organic matter is thrown off into 1 
sige ing an explanation of the excretion from the roots, of which 
it was formerly taken by Marcet and DeCandolle. 
