' 



l.i PH< • l .1. 





most us »itli the forra< r. L'heir lial 



auci . are in certain instances bo mucli alike ti 



A lew Mallowworte ; the starry Btructi 



stamens, the definite number of ovules in :i 'I. t i 1 1 i t « ■ nunilx r of unit 



forth* iembloni • \ itionship 



; ■ reeived b^ Jussii u, and ha 

 niaii " Brown, too, in omitting 



apetalous Orders, in In- Prodromus, niaj be conjectured to liavi 

 opinion ; and Augusts de St, Hilaire inquires whether t] ot internn 



Mallowworts and Menispermads. A writer in the / 



Order ni \t Byttneriads, and it i-- no doubt to that form of tin- Malval Alliaji 

 approaches ni ar<--t. 



But if, with Jussieu, wi r tin separation of sexes a great ]! 



in-, die Order of Spurges will join that of Nettles, throu 

 Californian plant lately discovered bj Mr. Ben than), which indeed might I 

 indifferently to Spurgeworts or Artocarpads. And bo again with Ant:. 

 character is very little different from that of such drupaceous Spurgev 



m their close connection with the < >arryal AUianci d ; for Hclwinj 



arcelj i ••• than Spurgeworts «ith an adherent ovary and minute < mbryo. 



Misled i>_\ imperfect information, 1 formerly proposed a group called Ti 

 but it has been shown bj Klotzsch, who has had the opportunity ol examining authentic 

 materials concerning Trewia, that it is really a tetracoccous genus oi th>- 

 nearly allied to RottJera, ( Wit >m. vii. 257). Although tlien 

 considerable affinity between riiis tribe and Cucurbits, yet it is to 1"- noted t ; i 

 genera have a Bcrambling habit, that the number ."• prevails in the ovary of both Orders, 

 ami that the genus Peripterj gium has, according to Hasskarl, the habit of a M 

 -. ■ nis to I"- nothing in Putranjiva to distinguish it from a drupaceous S] 



In general the structure of Spurgeworts is very uniform, and upon the whole there 

 are few extensive Orders in which it i> !<■-> liable to exceptions. Some, how 

 verj Btriking kind do occur. Foremost among the 

 instances of anomalous structure is the common Spurge, 

 (Euphorbia), in which the involucre is bo much likr a 

 calyx, and sometimes seems to be even augmented with 

 petals, that a student finds it difficult to believe that it is 



I 





t 

 i l.\ \ \:\ 



. I. \\\\ III. 



; of numerous naked $ flowers surround 

 calyx and o rolla. The real history of the structure is howi ver pi 

 and especially by such plant- as Monotaxis, in which th< i11111 " 



rarrounding one ? , but each is furnished with a c vx, and 

 disguises Euphorbia is reduced td a few Bcali - 

 structure, we find the carpels reduced to 2 in Mercurialii 5 

 and Peripterygium, or increased to as mam as 9 in At - 



i CLXXXA ttl.-l. Thelnvo 



, 4. male B 

 HUunent from the i 



a rijH' - ntial column and 



i l \ \ \ '. \ i 

 i \. .' 



