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12 mm longis, saepe intertextis; flore, ut di-<br />
citur, rubro. — B o l i v i a: prope Eucalip-<br />
tos, alt. 4000 m.<br />
Lobivia neo-haageana Bckbg. (ante p. 243,<br />
ubi syn.). Gregaria, vertice subdepressa, gri-<br />
seo-viridis vel vivide glaucino-viridis, costis<br />
10—11, ad 4 mm latis 2 mm altis, in tubercula<br />
parva acuta dimidio divisis, areolis ca. 4 mm<br />
inter se remotis, ovalibus, ca. 1.5 mm longis,<br />
primum paulo brunneo-tomentosis; aculeis<br />
ca. 10—12, tenuiter setaceis, vitreo-albis basi<br />
rubescentibus, ad 3 mm longis; flore rotato,<br />
ad 4 cm longo et lato, fructu parvo, subglo-<br />
boso. — A r g e n t i n a: Salta.<br />
var. flavovirens Bckbg. var. nov. Lutescenti-viridis,<br />
aculeis sordide luteolo-albidis<br />
basi bruhneis, verticis brunnescentibus basi<br />
griseis.<br />
Lobivia orurensis Bckbg. sp. n. (ante p.<br />
243). Gregaria, multiceps, colonias applanatas<br />
parvas formans, obscure-olivacea, 1—2 cm<br />
diametro, costis ca. 9, dimidio superiore in<br />
tubercula parva divisis, ca. 3 mm latis 2 mm<br />
altis, areolis- 2 mm inter se remotis, sparse<br />
brunneo-tomentosis; aculeis ca, 10, 1—2 mm<br />
longis, pectinatim ordinatis, luteo-albis, flore<br />
rubro? — B o l i v i a: prope Oruro.<br />
Lobivia pectinata Bckbg. sp. n. (ante p.<br />
243). Inter L. n e o - h a a g e a n a m et L.<br />
p y g m a e a m media, colore glaucino-viride<br />
anteriori, corpusculis elongatis et acutis, acu-<br />
leis tenuibus divaricatis var. l o n g i s p i-<br />
n a e posterioris similis. — In regione limi-<br />
tanea B o l i v i a n o - A r g e n t i n a.<br />
Lobivia culindrica Bckbg. sp. n. (ante p.<br />
244). Simplex, ad 12 cm longa 6 cm crassa,<br />
opaco-gramineo-viridis, costis ca. 11, 1 cm<br />
altis ad 1.2 cm latis, oblique sulcatis circa<br />
areolas undulato-incrassatis; areolis ca. 11<br />
mm inter se remotis, immersis, primum gri-<br />
seo-tomentosis, rotundis; aculeis marginali-<br />
bus ca. 7, subulatis, divaricatis, roseo-viridi-<br />
bus basi obscuris vel nigris, ad 8 mm longis,<br />
centrali solitario, rigidiore, 1—3 cm longo;<br />
flore late infundibuliformi, aureo, 4—5.5 cm<br />
longo et paulo latiore; fructu viridi, apice<br />
acuminata, squamis luteolis longe acutis<br />
praedito et dense albido-griseo-lanoso. —<br />
A r g e n t i n a b o r e a l i s: Sierra Chica.<br />
Mediolobivia rubelliflora Bckbg. sp. n.<br />
(ante p. 247). Globosa, serius proliferans,<br />
laete viridis, costis 10—14, spir alibus, in tu-<br />
bercula divisis, ad 4 mm latis 2 mm altis;<br />
aculeis marginalibus ca. 10, radialibus, albi-<br />
dis, setaceis, tenuibus, ca. 1—2 mm longis,<br />
centrali solitario paulo rigidiore, vix longi-<br />
ore; flore infundibuliformi, rubro-aurantiaco.<br />
— A r g e n t i n a: Salta.<br />
Mediolobivia rubriflora Bckbg. sp. n. (ante<br />
p. 247). Globosa, saturate viridis, tuberculis<br />
rotundatis applanatis, aculeis setaceis, brun-<br />
nescentibus, quam speciei praecedentis longi-<br />
oribus; flore flammeo. — A r g e n t i n a:<br />
Salta.<br />
Frailea aurea Bckbg. sp. n. (ante p. 247).<br />
Globosa, ad 2.3 cm diametro, apice depressa,<br />
tuberculis perparvis, subrotundis, areolis glo-<br />
bosis, brunneo-tomentosis; aculeolis 14, au-<br />
reis, pectinatim versus latera et basin incum-<br />
bentibus; flore luteo, fructu sulphureo, pube-<br />
scente. — U r u g u a y: prope Montevideo.<br />
415<br />
Frailea castanea Bckbg. sp. n. (ante p.<br />
248). Applanato-globosa, vix ultra 1.5 cm dia-<br />
metro, fere subterranea, apice profunde de-<br />
pressa, costis 15, in tubercula n o n divisis,<br />
vix 1 mm altis, rectissimis, obscure glauco-<br />
viridibus, sulcis acutis laetioribus; areolis<br />
perparvis, oblongo-rotundis, griseo-tomento-<br />
sis; aculeis primum rubellis postea nigris<br />
apice cornu colore, marginalibus ca. 8, maxi-<br />
mis 1 mm longis, centrali solitario, omnibus<br />
basiscopice incumbentibus; fructu globoso,<br />
ruf o, setis minimis obscuris et pilis minutis<br />
brunneo-griseis vestito. — U r u g u a y.<br />
Notocactus Mueller-Melchersii Fric 1928<br />
(nomen nudum). (ante p. 254). Species par-<br />
vior aculeis flavis, plus minusve adpressis,<br />
centrali plerumque solitario, divaricato, ad<br />
5 mm longo. — U r u g u a y: prope Monte-<br />
video.<br />
Pyrrhocactus dubius Bckbg. sp. n. (ante<br />
p. 263). Vivide glauco-viridis, aetate cylin-<br />
dricus, ad 20 cm altus, costis ca. 13, basi 1 cm<br />
latis sursum angustioribus, in tubercula divi-<br />
sis, areolis ovalibus, ad 7 mm longis, luteo-<br />
tomentosis; aculeis marginalibus ca. 10—12,<br />
divaricatis, ad 15 mm longis cornu colore et<br />
brunneo-maculatis vel ochroleucis mucrone<br />
obscuris, centralibus 2 (vel saepe unico) va-<br />
lidioribus, ad 25 mm longis, sursum subcur-<br />
vatis; flore ad 3 cm longo, virescenti-luteo,<br />
tubo brevi, ovario subrotundo, albo-tomen-<br />
toso et setoso, fructu viridi. — A r g e n t i-<br />
n i a b o r e a l i - o c c i d e n t a l i s.<br />
Parodia Faustiana Bckbg. sp. n. (ante p.<br />
266). Simplex, subglobosa, ad 6 cm lata et<br />
alta, pallide viridis, costis spiralibus in tu-<br />
bercula divisis; aculeis marginalibus ca. 20,<br />
ad 10 mm longis, vitreo-albis, lateraliter laxe<br />
intricatis, centralibus 4, tribus basi obscurio-<br />
ribus, crassioribus, infimo divaricato, curva-<br />
to, robusto, ad 4 cm longo, nitide brunneo<br />
apice laeto; flore luteo, ovario albo-lanoso. —<br />
A r g e n t i n a: Salta.<br />
var. tenuispina Bckbg. var. nov. aculeis<br />
marginalibus tenuioribus longioribus, centrali<br />
infimo setaceo, multo tenuiore, saepe laetiore.<br />
Parodia microthele Bckbg. sp. n. (ante p.<br />
266). Aculeis setaceis, plus minusve rectis,<br />
densis, aliis luteolo-albis saepe brunnescenti-<br />
bus aliis intermixtis albis; flore (semper?) lu-<br />
teo-aurantiaco. — Patria ignota, sub nomine<br />
falso E c h i n o c a c t u s m i c r o s p e r-<br />
m u s saepe cultivata.<br />
Parodia rubricentra Bckbg. sp. n. (ante p.<br />
267). Applanato-globosa, rarius elongato, co-<br />
stis ca. 16, spiralibus, dimidio basali solum<br />
in tubercula divisis, areolis 1 cm inter se re-<br />
motis; aculeis marginalibus numerosis, radia-<br />
libus, albis, nonnullis centralibus rigidioribus,<br />
elasticis, saepe subcurvatis, mucrone isabel-<br />
linis, praesertim iis verticis dense lanosi;<br />
flore laete cupreo-aurantiaco. — A r g e n-t<br />
i n a: Salta.<br />
Parodia tilcarensis Bckbg. sp. n. (ante p.<br />
268). (E c h i n o c a c t u s S t u e m e r i var.<br />
t i l c a r e n s i s Werd. & Bckbg. 1931). Glo-<br />
bosa, ad 15 cm alta et crassa, opaco-viridis,<br />
costis distinctis, dimidio superiori solum in<br />
tubercula parva 1 cm inter se remota divisis;<br />
areolis primum albo-lanosis (vertice densis-<br />
sime lanoso); aculeis marginalibus ca. 15, ra-<br />
dialiter divaricatis, tenuibus, centralibus 4,