20 .. MELOCACTEE. 
^ supera pulvilli. Floribus magnis, [lavidis vel rubi- 
cundis, 
+ Áculeis exterioribus 15-25 , radianter expansis albi- 
dis, centralibusque 1-4 calerüti rarissime eefictena 
. cornifera DC. Pfr. Enum. p. 34. (131) 
— p. impexicoma Nob. — M. impexicoma Lem. 
— — y. mutica Nob. — M. radians Hort. 
— calcarata Engelm. — M. sulcata Engelm. (132.) 
— scolymoides Scheidw. — M. daimonoceras Lem. (133.) 
— — B. longiseta Nob. 
(20 — y. nigricans Nob. 
- o — 4. raphidacantha Nob. 
| 
+ t Aculeis exterioribùs 7-12 radianter expansis vali- 
dis, centralibusque 1-3 validioribus, cum adventitiis 
summis 3-6 gracilibus, rectis vel contortis. 
M. macromeris Engelm. (134) 
— Scheerii Muhlenpf. (135) 
— Salm Dyckiana Scheer, (136.) 
tt Aculeis exterioribus 5, scpissine deficientibus, in- 
erioribus 5-7 validis, rigidis, recurvato — patentibus, 
cum adventitiis summis 3-4 gracilibus. 
M. elephantidens Lem. — M. bumamma Ehrenb, (137.) 
.. -— sulcolanata Lem. — M. retusa Scheidir. Gm) 
~ — mcanthostephes Lehm, Pfr. Enum. p. 16. — M. sce- 
pontocentra Lem. (139.) i 
(c pyenacantha Mart. Act. nov, nat. cur. XVI. t. 17. Pfr. 2? 
... Enum. p. 16. — M. latimamma d lc. (9) | 
Vinkleri Foerst. (141) 
Ee Nob. .— Meloc. manilirisforuis ^i ) 
Pfr. Enum. p. 40. (12) 
