from May 1, 1830, to April 30, 1840. 377 



Lasthenia glabrata 



Heuchera cylindracea 



— cahfornica 



micrantha 



Godetia rubicunda 



Pasonia Brownii 



venosa 



Potentilla glandulosa 



lepida 



Horkelia fusca 



densiflora 



Hosackia stolonifera 



Clarkia gauroides 



Stenactis speciosa 



elegans 



Diplopappus incanus 



Madia floribunda 



Limnanthes Douglasii 



■ elegans 



Calandrinia speciosa 



Pentstemon staticifolium 



Phacelia tanacetifolia 



crassifolium 



Antirrhinum glandulosum 



breviflorum 



Bartonia aurea 



* heterophyllum 



Collinsia bicolor 



Psoralea macrostachya 



Oxyura chrysanthemoides 



orbicularis 





Mimulus roseus 



Trifolium fucatum 





Clintonia pulchella 



Chryseis crocea 



Nemophila aurita. 



In the year 1836 the Council determined on sending a Collector 

 to the elevated regions of Mexico, as the country most likely to 

 produce the greatest number of objects of value to the Gardens 

 of this country at the least risk and expense to the Society, 

 and they selected for this purpose Mr. Theodor Hartweg, a 

 steady, well-informed, and zealous young man, native of Germany, 

 and then in the Society's service as Clerk at the garden. 



In determining the route he was to take, the amount at which 

 his current expenses were to be fixed, the nature of his outfit, and 

 many other points connected with his mission, the Council de- 

 rived essential assistance from the advice of several gentlemen 

 well acquainted with Mexico ; and they have more especially 

 to express their acknowledgments for such services to R. P. 

 Staples, G. F. Dickson and S. M'Gillivray, Esqrs. The 



