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pellura would be anterior ; a case which he has since found to occur 

 in St. adnatum, in which there is a single anterior carpellum, or if 

 two carpella are present the anterior only is fertile, the ovula being 

 always attached to the posterior angle of the cell. He describes the 

 carpellum of Isopogon and Leucospermum among Proteacese as ante- 

 rior ; and notes that in Grevillea the carpellum always alternates 

 with the two larger sepala, but varies most extensively with reference 

 to what he considers the axis. In Anadenia he states that the car- 

 pellum is always anterior in the lower half of the raceme, but varies 

 in position towards the summit, and in rare instances is perhaps even 

 posterior. In some species of Acacia also he believes that he has 

 found instances of posterior carpella, but as the flowers were for the 

 most part in threes, these carpella might belong to the lateral flowers. 

 In Pedicularis palustris he has always found the anterior carpellum 

 and the anterior division of the style larger than the posterior; and 

 the same is the case with Mendozia, resulting in the latter instance 

 in the suppression of the posterior carpellum in the fruit. He gives 

 at length his reasons for regarding the carpellum as anterior in Casua- 

 rina. Cannabis, Humulus, Parietaria, Urtica, Elatostemma and Celtis ; 

 and he concludes his remarks on the Proterocarpous division by some 

 observations on Cuphea and Lythrum; on Magallana; and on Fu- 

 maria. 



Under the head of the Heterocarpous division he begins by recur- 

 ring to the relations already mentioned as existing between Cerato- 

 phyllum, Piperacese, Houttuynia and Chloranthus. He then proceeds 

 to notice Gentianeae, among which he states that the dichotomous 

 Erythraea linarifolia is an example of the two carpella being anterior 

 and posterior, and infers from thence and from other variations, taken 

 in connexion with the general statement that in this family the car- 

 pella are right and left, that their position (as in Apocyneae and Loga- 

 niacese, according to M. Alphonse DeCandolle) is variable. He next 

 refers to Broussonetia and Morus and to Stilbe, which latter he is dis- 

 posed to consider as related to Empetreae and Euphorbiaceae, and 

 then proceeds to the examination of Cupuliferae, among which he 

 finds extensive variations. He refers to Coriaria as agreeing with 

 Malpighiaceae in having its raphe turned away from the placenta and 

 consequently next to the dorsal rib of each carpellum, which he de- 

 scribes as corresponding with the general position of the funiculus in 

 that family. He describes the carpella of Mirabilis as being all late- 

 ral and internal ; and again notices the peculiarities which he had 

 before referred to in the position of the funiculus in Chenopodeae, 



