288 BOTANY OF THE VOYAGE OF H.M.S. IIEILVLD. 
■ 
prcssis, deorsum in sulculo expaiisis, albo-lanugiuosis, mox nudis; axillis setis lanisque albis miinitis; 
spinis exterioribus sub-30 diaphano -albis setiformibus radiantibus infcrioribus longioribus, interioribus 
4 vel 6, sublongioribus rcctis subcrcctis, nascentibus purpureis deindc brunneis, ^"longis. Received 
1850. 
236. Mamillaria Rhodeocentra, /5 graciUlma, S. D. p. 109, sod incerta, quod planta mca multo 
grandior illse quam ad Sererdssimum Principem misi, quoque regione diffcrt. Species magna ro- 
busta globosa, apice umbilicato; axillis lanatissiniis deinde nudis; mammillis subangularibus basibus 
rhombcis; areolis magnis subellipticis infra apiccm mammillarnm inipressis subnudis; aculcis cen- 
tralibus 5, hinc inde 6, crassis subulatis subrectis irregulariter divergentib us, exterioribus sub-38 
setaccis incqualibus crispis fasciculatis, infcrioribus longioribus rectioribus. 
237. Mamillaria fflabratttj S. D, p. 109. 
Not common, as mentioned by Salm-Dyck, nor received from the Royal Gardens at Kew, but only 
through Mr. Potts, who tells me that this plant shrinks during winter into the ground, and reappears in 
ypriug. — Dead, 1845 : rccoi'wed repeatedly since. 
238. Mamillaria sp.; robusta depressa globosa, paUide viridis, mammillis magnis ovatis, pul- 
villis albo-tomentosis fioccosis, flocds mammillas dimidio tegentihus ; spinis exterioribus 13, quarum 
4 superioribus brcvibus, 9 inferioiibus multo longioribus pollicaribus plusve, cum 4 interioribus di- 
vergcntibus pallida roscis. Planta emortua! Received 1819. 
239. Mamillaria sp. ; robusta, obscure viridis, subcylindrica, triceps; mammillis ovatis con- 
fertis ; spinis exterioribus 15 subsequalibus, superioribus brevioribus, interioribus 4 longioribus (qua- 
rum 3 recurvis l-ll'longis, et 1 inferiore rectiorc longissime) nascentibus rubro-brunneis, deinde 
griseis. Received 1850. 
240. Mamillaria sp. ( speciej^ jg^^ubaSinisj sed mammillis majoribus) ; pallide viridis, subpyra- 
midalis, supcrne applanata et multo lanuginosa ; mammillis subquadrangularibus, pulvillis nascentibus 
lana alba multo munitis deinde subnudis, infra apiccm in sulculo ovato clongatis ; intcrstitiis lanatis ; 
spinis exterioribus sub-13 subsetiformibus diaplianis, interioribus 4 longioribus, pollicaribus, rectis, 
cruciatim divcrgentibus, nascentibus brunneis mox griseis. Received 1850. 
241. Mamillaria spinaurea, S. D. — Otto et Dictr. Allg. Garten. Jahrg. 1850. no. 50. Planta 
mea emortua, magna robusta depressa globosa; diametro 5', altitudine 3^". Received 1849. 
242. Mamillaria Seemannii, Seheer; mamillaria hemisphserica robusta, subapplanata apice im- 
pressa, sub 4" diametro 3" altitudineque j axillis primum nudis mox albissime lanuginosis ; mammillis 
subovatis elongatis murco-viridibus minute punctatis ; pulvillis mox nudis ; aeuleis exterioribus radi- 
antibus subsequalibus subeburneis nascentibus rubellis 11-13 sub 3 ' longis, cum uno centrali breviori 
subulato atro-purpureo mox albo recto erccto. • 
This plant, with Mamillaria Salm-Dyckiana et spinanrea, came probably from Sonera or from Dm-ango, 
in which latter place Dr. Seemann has seen it, and says that, together with other species, it is used for culi- 
nary purposes. Received 1850. 
H. D. ^. 14, i)Oiit Mamillariam proceram. 
243. Mamillaria sp.; parvula, pallide viridis; mammillis subtetragone jiyramidatis ; aculcis 
brevissimis, exterioribus sub-13 setosis prsesingulariter radiante-reflexis, centrali uno robusto erecto. 
Species distinctissima. Planta mox emortua. Received 1850. 
