152 *"• ^ ax u - **• Knuth. — Primulaceae. 



Gesellsch. Graubündt. XXIII. — XXIV. (1880) 100. — Pr. latifolia X viscosa Widmer, 

 Europ. Art. Primula (1891) 93. — Stirps hybrida primaria 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, ±z dense glandulis ecoloratis vel luteis adspersa. Scapus fofifl 

 aequans vel superans, umbellam erectam vel saepe unilateralem, subnutantem gerens. 

 Galjx 4 — 6 mm longus. Corollae tubus albidus vel coloratus, faux parce glandulosa, 

 hinc inde parce farinosa, colorata vel alba, limbus anguste vel late infundibulifonnis. 

 violaceus, purpureus vel lilacino-roseus, lobi emarginati. Capsula 2 / 3 calycis aequans. 



Westrbätische Alpen: Piz Nadis oberhalb Süs (Widmer), Müsella (Widmer), 

 Val Bevers (Widmer), Engelberg (Freund!), Piz Ott (Obrist), St. ftforiti Winkler! . 

 Albula (Rehsteiner!), Bernina (Christ), Maloja und Morteratsch (Widmer). Berga- 

 masker Alpen: Tai Seriana, Mte. Grabiasca (Widmer). — In Kultur! 



Pr. viscosa X oenensis Pax. — Pr. Kolbiana Widmer, Europ. Arten Primula 

 (1891) 95. — Pr. latifolia X oenensis Widmer, Europ. Arten Primula (1891) 95. — 

 Ilybrida 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: Aal Seriana, Mte. Cimone (Kellerer). 



5. Erythrodrosum X Rhopsidium. 



Pr. hirsuta X integrifolia Pax in Engler's Bot. Jahrb. X. (1889) 226. — 

 Heerii Brügger in Jahresber. naturf. Ges. Graubündt. XXIII. — XXIV. (1880) 100. — 

 Pr. integrifolia X viscosa Widmer, Europ. Arten Primula (1891) 98. — Pr. int 

 folia var. gavarnensis Widmer, Europ. Arten Primula (1891) 67. — Pr. i 

 Pr. davosiana, Pr. Laggcri, Pr. Thomasiana Sündermann ex Widmer, 1. c. 100. — 

 Pr. globulariaefolia, Pr. incerta, Pr. montafoniensis et Pr. Trisannae Gusmus in Möller's 

 Gärtner-Zeitg. XVIII. (1903.) 191. — Stirps hybrida sterilis, inter species parentes ambigua. 

 Folia subnitida vel opaca, fere integra vel denticulata vel dentata, elliptica vel obovat a. 

 in petiolum contracta, ± pilosa. Scapus folia aequans vel superans; bracteae lanceo- 

 lato-lineares, 3 — 8 mm longae; pedicelli 1 — 9 mm longi. Calyx ±: 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 infundibulifonnis vel 

 planus, lobi emarginati. Differt a Pr. integrifolia foliis saepe denticulatis, pedicelln 

 longioribus, a Pr. hirsuta indumento, bracteis longioribus, pedicellis brevioribus, floribttfl 

 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. Brevibracteatae X Rhopsidium. 



Pr. integrifolia X viscosa Pax in Engler's Bot. Jabrb. X. (1889) 229. — 

 Dinyana Lagger in Flora XXII. (1839) 670; Keiner in Österr. bot. Zeitachr. XX^ 

 (1875) 155. — Pr. Muretiana Moritzi, Pfl. Graubündt. (1839) 111 t. 2; Reicht». Icon. 

 Fl. germ. XVII. (1855) 42 t. 60 f. I, t. 67 f. III— V; Keiner in Österr. bot. Zeitachr. 

 XXV. (1875) 155. — Pr. Mureti Charpentier ex Koch, Synops. Fl. germ. e<l. 2. (1846) 

 697. — Pr. Candolleana X graveolens Brügger ex Reicbb. Icon. Fl. germ. WII. I 8 

 42. — 7V. integri folia X latifolia Widmer, Europ. Arten Primula (1891) 95. — Stirpi 

 hybrida sterilis. Folia ± glutinosa, saepe sublucida, oblongo-cuneata. rariua oblongo- 

 ovata vel ovata, obtusa, fere integra vel apicem obtusmn versus ± <lentieulata, db 

 pilosa et glandulosa. Scapus 1 — 10 cm altus. ambeUam erectam vel nutantem. \ — 7- 

 floram gerens; bracteae virides vel subscariosae, lanceolatae vel ovatae, 2 — 9 mm longae; 

 pedicelli breves, 1 — 6 mm longi. Calyx 4 — 9 mm longus, saepe purpurascens, lobi 



