204 TRANS. OF TIIE ACAD. OF SCIENCE. 



5 or G triangular scales, but no spines ; long tube with about 

 8 scales ; crown of exterior stamens distant from the others 

 8 or 9 lines; about 10 filiform spreading stigmas; fruit irre- 

 gularly oval, about 2 inches long, naked, deep violet purple, 

 at last bursting and dropping seeds and pulp; seed quite 

 different from that of the last species, very obliquely obovate, 

 almost curved from a narrow base, with an orbicular hilum, 

 0.9 1. long, smooth, shining, with a few irregular dots. 



Through the kindness of Dr. A. YV. Chapman, of Apalachi- 

 cola, Florida, I have received living specimens and fruit of 

 the little southeastern sea coast Opuntia, so that I can now 

 complete and correct the description of this very distinct 

 sj)ecies. 



Opuntia Pes Corvi, Le Conte in herb. ; Engelm. App. to 

 Syn. Cact. in Proc. Am. Acad. A. & S. 3, p. 346; Chapm. 

 South. Flora, p. 145 : laete viridis, diffusa; articulis parvis 

 ovatis seu obovatis tumidis ssepius teretiusculus fragilibus ; 

 pulvillis pulvinatis; foliis ovatis cuspidatis incurvis; areolis 

 junioribus albo-tomentosis setas parcas brevissimas pallidas et 

 plerisque aculeos 1-3 rectos rigidos ssepe basi compressos 

 tortosque obscuros gerentibus, infimis inermibus ; floribus 

 minoribus flavis ; ovario obovato pulvillis perpaucis fusco- 

 vilh>sis stipato; sepalis exterioribus ovato-lanceolatis, interi- 

 oribus obovatis cuspidatis ; petalis sub-5 obovatis spatulatis 

 obtusis ; stigmatibus 4-5 erectis ; seminibus paucissimis 

 anguste obtuseque marginatis in pulpa viscosa baccre soepe 

 fioris rudimentis coronatae nidulantibus. 



Barren sands along the coast of Georgia and Florida. 

 Joints 1-3 inches long, obovate, tumid, or narrower and sub- 

 cylindric, usually many of them growing in the same season, 

 one from the top of the last one, till they at last become 

 prostrate, and 1 or 2 feet long; pulvilli somewhat prominent, 

 4, 6, or even S lines apart; leaves 2J— 3^ 1. long; spines 1—1 J 

 inches long, very straight, when in threes, divergent. Flow- 

 ers 1^-1 § inches in diameter; sepals and petals less numerous 

 and narrower than in any allied species; ovary \ inch long, 

 with only 2 or 3 areola; on its surface, and 3-5 on its upper 

 edge. Fruit obovate, 6-7 1. long, rose-purple, with a shallow 

 umbilicus, areolae almost obliterated ; seeds 2 1. in diameter, 

 1-3, randy as many as 5, in one fruit. Evidently near 0. 

 vulgaris, from which the shape and armature of the joints 

 sufficiently distinguishes it; far removed from 0. ftagilis^ 

 with which, at first glance, the tumidity and fragility of the 

 joints would seem to connect it. 



