NO. 2 



GENTRY: LAND PLANTS 



101 



San Luis Island 



Eriogonum galioides Jtn. (type 



loc.) 

 Hoffmanseggia microphylla Torn 



Lotus tomentellus Greene 

 Larrea divaricata Cav. 



Euphorbia polycarpa hirtella 

 Bofss. 



Cryptantha marltima pilosa Jtn. 

 Pond Island 



Mammillaria angelensis Craig 



Aster frutescens Wats. 

 Raza Island 



Monanothocloe littoralis Engelm. 



Batis maritima L. 



Sesuvium sessile Pers. 

 Lemaireocereus Thurberi (En- 

 gelm.) Brit. & Rose 

 Opuntia tunicata Lehm. 

 Lycium brevipes Benth. 

 Turner's Island 



Mentzelia adhaerens Benth. 

 Santa Inez Island 



Atriplex Barclayana Palmeri 



(Wats.) 

 Atriplex Barclayana sonorae 



(Standi.) 

 Lophocereus Schottii (Engelm.) 

 Brit. & Rose 

 Isla Partida** 



Antigonon leptopus H. & A. 



Atriplex Barclayana typica H. & 



C. 

 Atriplex Barclayana Palmeri 



(Wats.) H. &C. 

 Dalea mollis Benth. (o) 

 Bursera Hindsiana (Benth.) 



Engl. 

 Eucnide cordata Kell. 



Vaseyanthus insularis Rose 



Atriplex Barclayana typica H. & 



C. 

 Atriplex Barclayana Palmeri 



(Wats.) H.&C. 

 Fouquieria peninsularis Nash 

 Pachycereus Pringlei (Wats.) 



Brit. & Rose 

 Cressa truxillensis HBK. 



Opuntia Bigelovii Engelm. 



Amaranthus Watsoni Standi. 



Lemaireocereus Thurberi (En- 

 gelm.) Brit. & Rose 

 Cressa truxillensis HBK. 



Atriplex Barclayana typica H. & 

 C. 



** There are two Isla Partidas in the Gulf of California; one in the northern 

 area between Isla Raza anci Isla Angel de la Guardia, the other in southern waters 

 on the northern tip of Espiritu Santo Island, It is here suggested that these should 

 be designated respectively as Isla Partida del Norte and Isla Partida del Sur. From 

 the accounts of the California Academy of Sciences Expedition to the Gulf of 

 California (Slevin 1923, Johnston 1924), it is not possible to determine whether the 

 plants listed from "Isla Partida" belong to the north or to the south island. 



