°C SBGRO Jy 
OPUNTIA CYLINDRICA. Rounp-sTEMMED 
Prickty PEAR. 
SEEK KEK EKER EKER KER EEK 
Class and Order. 
Icosanpria Monoeynia. 
( Nat. Ord.—Cacrea. ) 
Generic Character. 
Sepala numerosa, ovario adnata, foliiformia, summa plana 
brevia, intima petaliformia obovata rosacea expansa, tubo 
supra ovarium nullo. Stamina numerosa petalis breviora. 
Stylus cylindricus basi constrictus. Stigmata plurima, 
erecta, crassa. Bacca ovata, apice umbilicata, tuberculata, 
sepius spinifera. Embryo subspiralis, teretiusculus. Coty- 
ledones, semiteretes, germinantes foliacee plane crasse. 
Plumula crassa.—F rutices, trunco demum tereti, juniore ra- 
misque rarissimis cylindricis sepius plus minus compressis 
articulatis, articulis ovatis aut oblongis fasciculos aculeorum 
aut setarum ordine quincunciali seu spirali dispositos geren- 
tes. Folia sediformia caducissima subquoque fasciculo. 
Flores e fasciculis aut marginibus articulorum orti, flavi 
aut rubentes. Stamina tactu subirritabilia. 7 
Specific Character and Synonyms. 
Opuntia cylindrica ; erecta subramosa, caule ramisque cy- 
lindricis subsimplicibus tuberculosis areolato-sulcatis 
tuberculis rhomboideo-oblongis, folia caduca spinas- 
que subulatis fasciculatis basi lanuginosis apice geren- 
tibus, floribus subterminalibus subparvis, petalis erec- 
tis abbreviatis coroniformibus, stylo equali s. filiformi. 
Opuntia cylindrica. De Cand. Prodr. v. 3. p. 471. 
Cereus cylindricus. Haw. Syn. Succ. p. 183. 
Cactus cylindricus. Lam. Dict. v. 1. p. 539. Spreng. Syst. 
Veget. v. 2. p. 495. 
I am indebted to the Honorable Miss Norton for a most admirable 
and truly artist-like drawing of this species of Prickly Pear, which was 
originally introduced into England in 1799, but has never flowered in 
Britain, the inflorescence being unknown to every author who has de- 
scribed the species. Thence it was sent to Madeira. It is truly inter- 
mediate 
