By George Bentham, Esq. 



405 



been already described, and have been more or less generally dis- 

 tributed amongst the Fellows of the Society. 



Lupinus rivularis. Dougl. Bot. Reg. 19, t. 1595. 



Clarkia elegans. Dougl. Bot. Reg. 19, t. 1575. 



Calandrinia speciosa. Lindl. Bot. Reg. 19, t. 1598. 



CEnothera densiflora. Lindl. Bot. Reg. 19, t. 1593. 



Madia elegans. Lindl. Bot Reg. 18, t. 1458. 



Stenactis speciosa. Lindl. Bot. Reg. 19, t. 1577. 



Nemophila aurita. Lindl. Bot. Reg. 19, t. 1601. 



Mimulus roseus. Dougl. Bot. Reg. 19, t. 1591. 



Calochortus luteus. Dougl. Bot. Reg. 19, t. 1567. 



Calliprora lutea. Lindl. Bot. Reg. 19, t. 1590. 



Hesperoscordon lacteum. Lindl. Bot. Reg. 19, t. 1639. 

 The species which form more particularly the subject of this 

 Paper, are selected from among those that are as yet unpublished, 

 with the occasional addition of short notices taken from the dried 

 specimens transmitted by Mr. Douglas of some species not yet 

 raised in the garden. 



Platystemon californicum. 



Char. Gen. Platystemon.* Sepala 3, ovata, caduca, pilosa. Petala 6. Stamina 

 numerosa. Filamenta dilatata, membranacea, obcordata. Antherae lineares, bilocu- 

 lares, lateraliter dehiscentes. Ovaria plurima, (10 et ultra), linearia, stigmate sessili 

 lineari terminata. Capsuhe totidem, distinctae, torulosse, articulatse, indehiscentes, trans- 

 versim multiloculares, extus piloso-hispidaj. Semina in quoque loculo solitaria, pendula. 



This little annual flowered very sparingly, but the fine specimens 

 transmitted by Mr. Douglas in a dry state promise that it may be- 



* Mr. Douglas transmitted this species with the MS. name of Boothia, but as 

 foreigners would be unable to distinguish the sound of this word from Boottia, the 

 name of a genus dedicated to Dr. Boott by Dr. Wallich, I have been obliged to give 

 a new one to Mr. Douglas's plant. 



