234 ESSAYS anv OBSERVATIONS 
22. ALLow me here to obferve, in the firft 
place that this artificial apparatus (q) was feen 
and defcribed by ‘fohn Baubinus, long before 
Vaillant was born (r), and tranfcribed both by 
Morifon and Ray in their hiftories of plants, 
tho’ Vaillant mentions none of them: and, 
fecondly, that this feems to afford a {trong 
argument againft the impregnating virtue of 
the duft of the apices. For, according to 
Linneus himfelf, ‘* parietariae hermapbroditi, 
°¢ flores duocontinentur involucro plano hex- 
‘ aphyllo. Calyx monophyllus, magnitudi- 
“ ne involucri dimidiati. Stamina filamenta 
*¢ quartuor calyce longiora, illumque expan- 
‘© dentia. Faemincus flos unus, inter herma- 
‘* phroditos ambos, intra involucrum; cum 
« calyce ut hermaphroditi (/).” Now, fince 
the ftamina of the harmaphrodite flowers, 
as wellas the germen of the female flower 
| betwixt 
(q) Tout. cette mechanique, VaiL1y 
(r) “ Parieteriae flofculi conferti circa caulem ex foliormm 
“€ alis, flocos coccinei ferici imitantur, primulum e nodulo 
« emicantes: poft fe {tamima oftendunt obfcure, ex albo pur- 
<¢ purafcentibus apiculis, involuta, quae fi ftylo evolvere co- 
<< neris, fubfultum excuffo pulvere cum impetu, fpectaculo 
s¢ jucundo, fe expandunt repanda, in medio feminis rudimen- 
tum circundantia.” I. B, 2. p. 975. 
(/) Gen. pl. p- 494. 
