201 
to the extent of exterminating various kinds of plants, there 
growing wild on ct is recorded on the pages 
of a manuscript list, now preserved in the Garden nae of the 
plants of the southern states, ars 
ma y y oO by 
Chapman and on which he founded his " Flora” aie eck 
to. On the page where the cacti are recorded, we find the state- 
ment that there are four kinds of Cereus at Key West. These 
2) 
In recent years an additional plant of this relationship has 
come to notice in a different group of the Florida Keys. 
be named and described as follows: 
Cephalocereus Deeringii Small, sp. nov. 
poe often becoming Io m. tall, the stem erect, 
ch are ascending or erect and appressi in stem 
the branches d reen, but sometimes her light, usually 
1o-ribbed, sometimes g-ribbed: areolae very copiously hairy, the 
hairs rather p tent; spines acicular, 25-, gether, th 
longer on lo more ers openin: the afternoon, 
abo longate-campanulate, light-green with 
sepals obov: btuse, rounded, or emarginate: petals 9-11 m 
long, clawless, oval, rounde the apex, erose, scarcely narrowed 
t hi less than 2 mm. long: berries ch d 
pressed, le cm. in diameter, ce red; seeds about 2 mm 
long ee ing, 
, Lower Matecumbe exe Florida, J. K. Small 
7790 (ope in herb. N. Y. Botanical Gar 
his species was first casually cael on apes Matecumbe 
a Florida, more than a decade ago by John Soar and Charles 
T. Simpson. Without further examination it was assumed to 
be identical with the species of Cephalocereus long known to grow 
co) est. 
