107 
together in limited numbers of individuals. Our work in the 
western mountains, here, as at Maricao, was impeded by frequent 
rains, highly favorable to the growth of fungi, of which many 
species were collected. 
On February 24 the expedition was divided; Mr. Cowell, Mr. 
Brown and I sailed on the chartered sloop “Dama” for a study 
ur fi 
Guaniquilla, at the northern side of Boqueron Bay; it was very 
interesting to observe here the most northern distribution along 
the coast of some eharactensacally arid-country plants, among 
h 
Lignum Vitae, for ae ae Seanasne its gence ee 
flowers conspicuous at this 
The coastal limestone ae and bluffs from Punta Melones to- 
Punta Casabe, just south of Boqueron Bay, weré studied on 
de Cabo Rojo, ee extreme southwestern point of Porto Rico, 
0 
hi 
y the inhabitants and by us, for we were enabled to fill one of 
