(2017 ) 
Dorstenta Hovustont. Hovstoun’s 
DorsTENIA. 
| RHEE Hdiabbidbie ae 
| Class and Order, at is: 
oe RANDRIA Maked tii! 
(Monacia Pagacspats, Pers.) 
Generic Character. 
-Receptac. commune 1-phyllum, carnosum, in quo semina 
solitaria nidulantur, 
Specific Character and Synonyms. 
Dorstenis Houstoni; scapis radicatis, foliis cordatis angu-— 
latis acutis, receptaculis quadrangulis. Willd. Sp. Pl. 
1. p.682. Persoon Syn. 2. p. 557. Hort. Kew. ed. alt. 
1. p. 267. Spreng. in Schrad. Journ. 1800. p. 3. f. 1. 
Dorsrenia Dentarie radice, folio minus laciniato, placenta 
quae et undulato, Houst. in Phil. Trans. v. 
oP Po LB E27 
The genus Dorstensa, of which there are several species, 
is very curious in its construction, the flowers being fixed in 
a flat fleshy receptacle of various forms. In Dorsrenra 
Houstoni the receptacle is nearly square, and somewhat curled 
in at the oe In its organization it approaches very near 
to the fig; for it is only to imagine the edges tobe continued 
aiphey meet, and to be united, enclosing the flowers in the 
ntre, and we have an exact fig. a, 
The flowers are very minute; they probably differ in their 
structure in different species: in our plant they appeared to be 
monandrous, or at least the stamens to be placed singly without 
order among the pistils. According to the description of this 
_ species in Miller’s Dictionary, its stature is much greater than 
we have observed it ; and in Houstoun’s figure above ier 
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