108 „„ “wi 
12. M. sphacelat a Mart. 
10 — 15 in orbem expansis intricatis rectis eburneo -albis apice san- 
guines et tandem nigro-sphacelatis, centralibus 2—4 erectis, radian- . 
tibus omnino conformibus, omnibus valde tuberculatis. — v. Martius 
l. c. p. 339. t. XXV. I. — Pfeiffer l. c. p. 7. n. 6. 
Cylindrica et fere Cerei in modum gracilis s simplex, tandem 
basin versus prolifera. Spinae tuberculis brevibus crassis subpyra- 
midalibus acutis exasperatae. Flores fere solitarii, parvi, tubo sensim 
attenuato, lana parcissima absque setis ima basi cincti. Bracteae 
lineari-oblongae, obtusae, dorso sordide ` purpurascentes , margine ; 
albidae, parcae. Sepala petalaque circiter 12 lineari-oblonga, ob- 
tusiuscula, integerrima, violaceo- purpurea. Stamina indefinita, 30—30; 
corolla dimidio breviora; filamenta filiformia, glabra, purpurascentia, 
apice infra antheras repente constricta subulata. Stylus stamina su- 
perans cylindricus albido - - purpurascens ; stigmata erecto - conniventia, 
papillosa, flava. A | 
Crescit in imperio mexicano, prope F xmiguilpan, ibidem. lecta 
a clar. de Karwinski. — Floret in Caldariis Junio. 
43. M. loricata Mart. 3 
M. cylindrico-subclavata, simplex, glaucescens, lana in axillis et 
areolis sordide alba, mammillis breviter conicis crassiusculis, spinis 
* 
M. cylindrica, tandem prolifera, viridis, mammillis brevibus co- 
nicis, lana in axillis aeque ac in areolis parca, spinis radiantibus - 
- 
— 
radiantibus circiter 45 in orbem expansis intertextis basi stramineis 
sursum albidis apice sphacelatis, adultis sordide albidis, centralibus 
Cin planta novella nullis) multo robustioribus et longioribus faves- 
centibus apicem versus nigricantibus, superiori recta inferiore lon- A 
giore deorsum arcuata, omnibus glabris. — Pfeiffer l. c. p. 13.0. 22. 
