pile tea ee Ree a. 
( 3963 ) 
ECHINOCACTUS TENUISPINUS. SLENDER- 
SPINED ECHINOCACTUS., 
KKK KEKE EKER ERKEK EEK 
Class and Order. 
Icosanpria Monoeynia. 
( Nat. Ord.—Cacte2. ) 
a 
Generic Character. 
Sepala numerosa imbricata, basi ovario adnata, in tubum 
brevissimum concreta, exteriora involucriformia, intima 
petaliformia. Stamina numerosa, calyci aflixa, inzqualia, 
intima brevissima, filiformia, antheris oblongis. Stylus 
cylindricus, subfistulosus, apice multifidus. Bacca sepalo- 
rum reliquiis subsquamata, rarissime levis. Cotyledones 
parvulea.—Frutices simplicissimi carnosi ovati aut globost, 
melocactoidet aut mammillarieformes, aphylli, costatt aut 
tuberculati, costis tuberculis confluentibus quasi formatis, — 
dorso aculeorum fasciculos gerentibus. Cephalium seu spa- 
dix nullus. Flores e fasculis aculeorum ad apicem costarum 
(ita quidem, ut in «:eolis noviter é€ vertice erumpentibus 
florum origines jam conspicut sint) ort, similes floribus 
Cerei sed tubo vix supra receptaculum elongato. Pfeiff: 
Specific Character and Synonyms. 
Ecuinocactus tenuispinus ; depresso-globosus 12—14 cos- 
tatus subglaucus, costis obtusis sinubus acutis, areolis 
albis tomentosis immersis, aculeis gracilibus 12—18 
quarum 3—4 duplo longioribus, floribus congestis, 
petalis (flavis) apice serrulatis acutissimis. 
Ecuinocacrus tenuispinus. Link et Otto m Verhandl. des 
Gart. Vereins fiir Pruss. tab. 19. 
Ecurnocactus Ottonis. 8. tenuispinus. Pfeiff. Enum. Cact. 
p. 47. 
Cultivated in the Royal Botanic Gardens of Kew ; where, 
it must be confessed, that the flowers are very eae to 
ose 
