152 
F. Pax u. R. Knuth. — Primulaceae. 
Gesellsch. Graubündt. XXIII. — XXIV. ( 1 880) 100. — Pr. latifolia X viscosa Widmer, 
Europ. Art. Primula (1891) 93. — Stirps hybrida prirnaria medium tenet inter species 
parentes et fertilis evadit; adsunt autem hybridae secundariae ad unam vel alteram 
speciem parentem magis accedentes, ut series fere continua formarum species inter eas 
conjungat. — Folia saepe resinoso-olentia, rotundato- vel oblongo-lanceolata, in petiolum 
attenuata vel contracta, zb dense glandulis ecoloratis vel luteis adspersa. Scapus folia 
aequans vel superans, umbellam erectam vel saepe unilateralem, subnutantem gerens. 
Calyx 4 — 0 mm longus. Corollae tubus albidus vel coloratus, faux parce glandulosa, 
hinc inde parce farinosa, colorata vel alba, limbus anguste vel late infundibuliformis, 
violaceus, purpureus vel lilacino-roseus, lobi emarginati. Capsula 2 /s calycis aequans. 
Westrhätisc he Alpen: Piz Nadis oberhalb Süs (Widmer), Miisella (Widmer), 
\ al Bevers (Widmer), Engelberg (Freund!), Piz Ott (Obrist), St. Moritz (Winkler!), 
Albula (Rehsteiner!), Bernina (Christ), Maloja und Morteratsch (Widmer). Berga- 
masker Alpen: Val Seriana, Mte. Grabiasca (Widmer). — In Kultur! 
Pr. viscosa X oenensis Pax. — Pr. Kolbiana Widmer, Europ. Arien Primula 
(1891) 95. — Pr. latifolia X oenensis Widmer, Europ. Arien Primula (1 891) 95. — 
llybrida haec ab hortulano Kellerer detecta sterilis tantum descripta est. Folia resi- 
noso-olentia, ovata, basin versus attenuata, fere integra vel distanter et leviter denti- 
culata, dense glandulis rubris adspersa. Rhizoma suffruticosum. 
Bergamasker Alpen: Val Seriana, Mte. Cimone (Kellerer . 
5. Erytlirodrosum X Rhopsidium. 
Pr. hirsuta X integrifolia Pax in Engler’s Bot. Jahrb. X. (1 889) 226. — Pr. 
Heerii Brügger in Jahresber. naturf. Ges. Graubündt. XXIII. — XXIV. (1 880) 1 00. — 
Pr. integrifolia X viscosa Widmer, Europ. Arten Primula (1 891) 98. — Pr. integri- 
folia var. gavarnensis Widmer, Europ. Arten Primula (1 891) 67. — Pr. assimilis, 
Pr. davosianä , Pr. Laggeri , Pr. Thomasiana Sündermann ex Widmer, 1. c. 100. — 
Pr. globulariaefolia, Pr. incerta , Pr. montafoniensis et Pr. Trisannae Gusmus in Möller’s 
Gärtner-Zeitg. XVIII. (1 903) 1 91. — Stirps hybrida sterilis, inter species parentes ambigua. 
Folia subnitida vel opaca, fere integra vel denticulata vel dentata, elliptica vel obovata, 
in petiolum contracta, zb pilosa. Scapus folia aequans vel superans; bracteae lanceo- 
lato-lineares, 3 — 8 mm longae; pedicelli 1 — 9 mm longi. Calyx z!z purpurascens, 4 — 
9 mm longus, lobi obtusi. Corollae roseo-lilacinae vel obscure roseae tubus coloratus 
vel albidus, faux glandulosa, limbus 15 — 25 mm diametiens, late infundibuliformis vel 
planus, lobi emarginati. Differt a Pr. integrifolia foliis saepe denticulatis, pedicellis 
longioribus, a Pr. hirsuta indumento, bracteis longioribus, pedicellis brevioribus, floribus 
majoribus, corollae tubo et fauce saepe colorato. 
Westrhätische Alpen: Davos!, Arosa, Hochwang, Calanca, Bernina!, Maloja; 
Glarner Alpen (nach Widmer); wahrscheinlich auch in den Pyrenäen. 
6. Bre vibracteatae X Rhopsidium. 
Pr. integrifolia X viscosa Pax in Engler’s Bot. Jahrb. X. (1 889) 229. — Pr. 
Dinyana Lagger in Flora XXII. (1 839) 670; Kerner in Osten - , hot. Zeitschr. XXV. 
(1875) 155. — Pr. Muretiana Moritzi, Pfl. Graubündt. (1 839) 1 11 t. 2 ; Reichb. Icon. 
Fl. germ. XVII. (1 855) 42 t. 60 f. I, t. 67 f. III — V; Kerner in Osten - , bot. Zeitschr. 
XXV. (1 875) 155. — Pr. Mureti Charpentier ex Koch, Synops. Fl. germ. ed. 2. (1 846! 
697. — Pr. Candolleana X graveolens Brügger ex Reichb. Icon. Fl. germ. XVII. (1855) 
42. — Pr. integrifolia X latifolia Widmer, Europ. Arten Primula (1891) 95. — Stirps 
hybrida sterilis. Folia zb glutinosa, saepe sublucida, oblongo-cuneata, rarius oblongo- 
ovata vel ovata, obtusa, fere integra vel apicem obtusum versus zb denticulata, zb 
pilosa et glandulosa. Scapus I — 10 cm altus, umbellam erectam vel nutantem, 1 — 7- 
floram gerens; bracteae virides vel subscariosae, lanceolatae vel ovatae, 2 — 9 mm longae; 
pedicelli breves, I — 6 mm longi. Calyx 4 — 9 mm longus, saepe purpurascens, lobi 
