320 CACTEAE. 



KrHINOrACTlS. 



89. E. LANCIFER Rchb. in Terschcck, Stippl. Cnct. 2. - Subglobosus 8-angularis: 

 nngulis acualis inlcr arcoias sinualis; aculcis Intcralib. 8 rccurvato-adpressis vi- 

 rissim inlricatis, ccntraliq. rccto arrcclo, l)ipnHicnril). validis-^iniis rornco-palles- 

 centibus obsolctc annulalis. — Num forle varielas E. oxypteri? — Mcxico. 



90. E. REICHENBACHII Terscheck 1. c. — Obovalo-oblongus, lactc virens, 13-an- 

 gularis: sulcis obtusis, aciebus inter mammillas approximatas brevissimas com- 

 pressas oblusis brcve repandis; areolis (verlicalitei) ellipticis albo -tomcnlosis; 

 aculeis 19, albidis tcnue setaceis, sub angulo rcclo dislichis, ex angulis nlternis, 

 apicib. inviccm contiguis (lierkheyae cUialac pulcherrimam fabricam simulanlib.), 

 supcriorib. tenuiorib. breviorib. vix 2'" longis, sequenlib. accrescenlib., infimis 

 ad C" longissimis. — Ilabital in Mexico. 



91. E. MACRACANTUUS Vriese, Tijdscbr. voor Nat. Geschiedn. VI. 49. f l. 2. — 

 Obliquc-globosus, pallide-viresccns, basi lignosus attenuatus, I3-costalus: costis 

 sinubusq. acutis; aculeis 10-11, cenlrali uno longissimo (6'/2 centim.), radiantib. 

 brcviorib. horumq. summo maximo, infimo brcvissimo dellexo uncinato, omnib. 

 flavis V. fuscis; areolis dislantib. ovatis v. oblongo — ovalis, juniorib. dcnsissime 

 velutino-tomentosis. — Crescit in Mexico. 



92. E. PIIYLLACANTUOIDES Lem. Cacl. nov. gen. et spec. 28. j — Subglobosus, 

 vertice vix impressus obscurc viridis multangularis : angulis 55 compressissimis 

 undulalis vix oblusis, sinubus aculissimis; areolis remolissimis , juniorib. lanatis 

 in fossulam sursum elongalis; aculcis scplem, supero verlicali foliaceo subpolli- 

 cari, duobus laleralib. ereclis, quatuor depcndcntib., imis cylindricis. — Crcscit...? 



93. E. GRANDICORNIS Lem. 1. c. 30. f — Globosus glaucescenli-virens, aculeis 

 longissimis horrens mullangulalus : angulis compressissimis angulalis numerosis; 

 areolis remolissimis lomentosis, slatira nudis; aculeis novem, supero verticali 

 robuslissimo crasso lalo, duobus laleralibus vix minus robustis paullo brcviorib. 

 subtcrclib. in cornua dispositis, aliis sicul ad imum radiajitib. mullo minoribus 

 graciliorib., omnib. rigidissimis validissimis, juniorib. lulescenlib., dcin cineras- 

 cenlibus. — Crescit in Mexico. 



94. E. TETRACENTRUS Lem. 1. c. 31. f — Globosus superne depressus vix umbi- 

 licalus mullicoslalus laele virens: angiilis numerosis compressissimis; arcolis to— 

 mentosis in fossulam seorsum elongatis immersis, super angulum vix adstante uno 

 fasciculo; aculeis constantib. quatuor, uno v. duobus infimis semper aborlientib., 

 tribus superis subpollicarib. inaequalibus subapplanalis, uno imo ultrapollicari 

 rhombeo. — Crescit in Mexico. 



95. E. PBNTACANTHUS Lem. Cact. aliq. nov. 27. f — Ab Echinocaclo emifero (cf. 

 sequenlem) differt stalura minori, coslis numerosiorib. (40-50), aculeis constanter 

 5, quorum 3 superiores validiores, medius horum cst applanatus 8'" longus, duo 

 laterales subcylindrici paullo longiores, duo poslremi infimi graciliores dimidiatim 

 breviores, omnes ad basin subulali recurvuli in planlam parum reflexi. — Mexico. 



96. E. ENSIFERUS Lem. 1. c. 26. t — Junior globosus, veluslior subcolumnaris ver- 

 tice umbilicatus laete glaucescenli-viridis: coslae 34 maxime compressae parum 

 undulato-crispalae, ad areolas innalae, ad crislam nec inlegrae sed sicul irregu- 

 lariler fimbrialac, sinus acutissimi repandi; areolae remotissiraae (3-4 poll. inler 

 se distantes) ovalae, ultra fasciculum rotundato-elongalae lana albido-rufa mox 

 evanescente inslruclae; aculei 5 v. saepius sex radianter afDxi inaequales, sordide 

 albido-grisei, superior unus erectus, 7-10 lin. longus, lalerales duo paullo lon- 

 giores, pleruraq. usq. ad medium geminati sicut ferruminali, cenlralis unus ses- 

 quipollicaris rhomboideo - angulosus fere ensiformis validus erectus, tres primi 

 superi sunt deplanali, infimi duo breviores. — Forte idem ac sequens? — Mexico. 



97. E. XIPHACANTHUS Miq. Linnaea XII. 1. t — Depresso-hemisphaericus: vertice 

 impresso sordide albo-Icnuginoso, coslis 34, approxiraalis corapressissirais un— 

 dulato-fiexuosis, ad areolas arcualim promincntib., dorsis obtusiusculis sinuatis, 

 sinubus angustissimis aculis. inferne dilalalis ; areolis dissitis , juniorib. albido- 

 Iloccosis, inferiorib. nudis, imprcssis; spinis externis 4-5 breviorib., pauUo erec- 

 lis leretiusculis, centralib. l-3,suprema planissiraa longissima, cnsiformi-lan- 



