T08 



12 M. sphacelata Marl. 



M. cylindrica , tandem prolifera, viridis, mammillis brevibus co- 

 nicisj lana in axillis aeque ac in areolis parca, spinis radiantibus 



jjO 15 in orbem expansis intricatis rectis eburneo -albis apice san- 



guioes et tandem nigro- sphacelatis, centralibus 2 — 4 erectis, radian- 

 tibus omnino conformibus, omnibus valde tuberculatis. — V. Martins 

 l. c. p. 339. t. XXr. 1. — Pfeiffer l. c. p. J. n. 6- 



Cylindrica et fere Cerei in modum gracib's, simplex, tandem 

 basin versus prolifera. Spinae tuberculis brevibus crassis subpyra- 

 midalibus acutis exasperatae. Flores fere solilarii , parvi, tubo sensim 

 altenuato, lana parcissima absque setis ima basi cincli. Bracteae 

 lineari-oblongae, obtusae , dorso sordide purpurascentes , margine 

 albidae, parcae. Sepala petaiaque circiter 12 lineari-oblonga, ob- 

 tusiuscula, integerrima, violaceo-purpurea. Stamina '\aAefiai{a,2Q — 30, 

 coroUa ditnidio breviora; filamenta filiformia, glabra, purpurascenlia, 

 apice infra antheras repente constricta subulata. Stylus stamina su- 

 perans cylindricus albido-purpurascensj Stigmata erecto - conniventia, 

 papulosa, flava. 



Crcscit in imperio mexicano, prope Kxmiquilpan, ibidem lecta 

 a dar. de Harivinshi. — Floret in Caldariis Junio. 



13. M. loricata Mart. 



M. cylindrico-subclavata, simplex, glaucescens, lana in axillis et 

 areolis sordide alba, mammillis breviter conicis crassjusculis, spinis 

 radiantibus circiter 1 5 in orbem expansis interlextis basi stramineis 

 sursum albidis apice sphacelatis, adultis sordide albidis, centralibus 

 (in planta novella nuUis) multo robustioribus -et longioribus flaves- 

 cenlibus apicem versus nigricantibus, superiori recta inferiore lon- 

 giore deorsum arcnata, omnibus glabris. — Pfeiffer l. c. p. 13. n. 22« 



i 



