Botanical Explorations of Thomas Nuttall. 119 



RANUNCULACEAE. 



Clematis lasiantha Nutt. Near the seacoast 



Clematis parviflora Nutt.=Clematis pauciflora Nutt. Locality the same 

 as the last. The rv in parviflora is a typographical error for uc, as indi 

 cated in the supplement of Torrey and Gray's Flora (p. 657), and the 

 name used by subsequent authois has therefore been C. pauciflora Nutt. 



BRASSICACEAE. 



Stieptaiithus heterophyllua Nutt. Bushy hills near San Diego. 



CRASSULACEAE. 



Echeveria lanceolata Nutt. = Cotyledon lanceolata (Nutt.) Benth. & 

 Hook. 



Echeveria pulverulenta Nutt. = Cotyledon pulverulenta (Nutt.) Baker. 

 Flowering in May. 



Sedum edule Nutt. = Cotyledon edulis (Nutt.) Brewer. Edges of rocks 

 and ravines. 



CAPPARIDACEAE. 



Isomeris arborea Nutt. This is the type of NuttalPs genus Isomens. 



VICIACEAE. 



Hosackia cytisoides rubescens Torr. & Gr. Hosackia cytisoides Benth. 

 is now referred to Lotus benthami Greene, but Nuttall's Hosaclda cytisoides 

 rubescens seems not to have been critically identified in recent years. 

 Collected near San Diego. 



Lathy rus strictus Nutt.=Lathyrus wstitus Nutt. Bushy places around 

 San Diego. 



Lupinus truncatus Nutt. This species was based on two specimens, 

 one collected by Douglas at San Francisco, the other by Nuttall at San 

 Diego. 



RUTACEAE. 



Pitavia dumosa Nutt. = Cneoridium dumosum (Nutt.) Hook. f. 



RHAMNACEAE. 



Ceaiiothus verrucosus Nutt. Low hills near the coast. 



CACTACEAE. 



Cereus californicus Torr. & Gr. = Opuntia calif ornica (Torr. & Gr.). 

 Cereus californicus Torr. & Gr. Fl. 1, 555, 1840. Opuntia serpentina Engelm. 

 Am. Jour. Sci., ser. 2, 14, 338, 1852. The original description of this 

 plant in Torrey and Gray's Flora is as follows: " Erect and shrubby, 

 with numerous clusters of long and short spines ; the branches somewhat 



