— 307 — 
. Peru: Lima, Berg Morro Solar bei Chorillos (WEBERBAUER 
n. 5690 — Typus!),. An der Lima-Oroya-Bahn unterhalb Matucana 
„(WEBERBAUER n. 5201!). Yura bei Arequipa (WEBERBAUER n. 6841!) 
63. 0. mercedensis R. Knuth. — Acaulis, usque 11 cm alta. 
Rhizoma —+ verticale, usque 8 mm crassum, profunde in solum penetrans. 
Folia 4—8, basalia; foliola 3, + glabra vel margine parum ciliata, 
supra obscure, subtus glaucoideo-viridia, ad 8 mm lata, 5 mm longa, 
' reniformi-obcordata, basi cuneiformia, margine anteriore usque ad 
Y/a—'/s ineisa; petioli 5 cm longi. Peduneuli 1—2. basales, usque 
7 em longi, apice umbellam regularem 1—3-floram gerentes. Pedicelli 
1!/, em longi, glabri. Sepala lanceolata, 4 mm longa, subglabra. Co- 
rolla + crateriformis, usque 17 mm longa, pallide lilacina.  Stamina 
stylique puberula. 
‚Uruguay, Dept. Soriano: Mercedes (OSTEN n. 3144!). — Blüh. 
April. 
64. 0. sorianensis R. Knuth. — Acaulis, usque 12 cm alta. 
Rhizoma verticale, usque 8 mm crassum, satis profunde in solum 
penetrans. Folia 4—13, basalia; foliola 3, supra sparsim subtus nn 
dense lanato-pilosa, supra obscure subtus glaucoideo-viridia, saepe supra 
callis notata, 9 mm longa, 1 cm lata, late obcordata, basi valde con- 
tracta, margine anteriore usque 2 mm profunde incisa; petioli usque 5 cm 
longi, sat dense patulo-adpresse pilosi. Pedunculi basales, usque 7 cm 
longi, apice umbellam regularem 2—3-floram gerentes. Bracteae 4 mm 
longae. Pedicelli 11/,—2!/, cm longi. Sepala + lanceolato-linearia, 
6'/; mm longa, apice rubro-bicallosa. Corolla erateriformis, pallide 
lilaeina, Stamina stylique puberula. 
Uruguay, Dept. Soriano: Mercedes (Osten n. 3143!). — Blüh. 
April. 
65. 0. subviscosa R. Knuth. — Acaulis, 15 em alta. 'Rhizoma 
verticale, 1 cm cerassum. Folia numerosa, basalia; foliola 3, supra 
glabra, subtus puberula, saturate viridia, saepe ad facies callis sat 
erassis obsita, 1?/, cm lata, 1/, cm longa, late obeordata, basi cunei- 
formia, margine anteriore usque 3 mm profunde incisa; petioli ad 8 cm 
longi, subviscosi. Pedunculi basales, 3—5, umbellam vix vel parum disso- 
lutam 4—5-floram ‚gerentes, usque 10 cm longi. Bracteae numerosae, 
lanceolatae. Pedicelli 11/,—3 cm longi, glanduloso-subviscosi. Sepala 
-6 mm longa, lanceolata, apice rubro-bicallosa, + glanduloso-puberula. 
Corolla lilacina. Stamina stylique densissime puberula, 
Uruguay, Dept. Soriano: Vera (OstEn n. 3194!), — Blüh. 
Oktober. 
21* 
