VOL. IV.] Flora of Guadalupe Island. 133 



Greece, must have acquired a fair idea of the destructive power 

 of goats; but what is to be seen in Guadalupe far surpasses any 

 anticipation. 



It would appear at first that annuals, unprovided by nature 

 with a perennial or woody axis, ought to have been the first to 

 disappear; but just the contrary has happened, probably owing 

 to the circumstance that the cycle of evolution of an annual 

 plant (more so in such a dry region) is exceedingly short, and 

 coincides with the period of most plentiful production, so that 

 there is much more chance of the ripening of an abundant crop 

 of seed which, by its minuteness and unattractiveness, escapes 

 destruction and assures a large reproduction of the species. 

 Shrubs and perennials are exposed all the year round to the 

 destructive teeth of the goats, and it is a well-known fact that no 

 matter how hard and enduring the vitality of such plants, in the 

 long run they are unable to survive the constant clipping of their 

 aerial parts. 



Among the plants collected by myself in Guadalupe, annuals 

 could not be numerous, owing to the season of the year, and very ' 

 little was added to the island record. I was able, however, to 

 secure a small plant of what appears to be a Heuchera, probably 

 the unidentified species collected, in 1875 only, by Dr. Palmer, and 

 a plant also of a Cotyledon — no species being described from the 

 island. Among cryptogamous plants Parmelia physodes L,. var. 

 eriteromorpha Tuck., Usnea barbata L,., Ramalina homalea 

 Ach. are not to be found in the already published lists; all of 

 them are known, however, on the mainland of California. 



The figures following the species are the serial numbers of 

 the collection. 



Crossosoma Calif ornicum Nutt, Only one specimen found 

 with few flowers; in bloom about the middle of December. 

 Growing on the almost inaccessible cliff of the lower circus 

 east of the cabins. (42.) 



Eschscholtzia Californica Cham. Plentiful in the same limited 

 locality pointed out by Prof. Greene; positively perennial; its 

 leaves clipped pretty closely by goats. (19.) 



Eschscholtzia elegans var. ramosa Greene. Rather plentiful 

 not only along the beach north of the landing, as noticed by 



