Plantago sect. Palaeopsyllium. 99 



Decne. 1. c. 721, n. 137. — P. oblongifolia Decne. 1. c. 700, n. 25. — P. salsuginosa 

 Nutt. ined. ex Gray in Proc. Amer. Ac. Arts and Sc. VI. (1862) 55. — P. retrorsa 

 Greene, PI. Bakerianae III. (1901) 32. — Perennis, radice crassa, caudice abbre- 

 viato, ± et saepe dense lana basali foliorum brunneo-nitente obtecto. Folia sicca 

 crassiuscula, tenuiter coriacea, flexibilia, laetius viridia, lanceolata, superne sensim 

 angustata, apice ipso obtusiuscula et incrassata, inferne sensim in petiolum breviorem 

 angustum angustata, nervis 3 — 5 parum prominulis, vel folia latiora, lanceolato-ovata 

 usque ovali-ovata, superne cuneatim angustata, inferne ± breviter late cuneatim vel 

 rotundatim in petiolum brevem latum angustata, nervis 5 — 7, venis conspicuis conjunctis, 

 folia glabra, margine parum undulata, edentata vel dentibus minutis instructa. Inflores- 

 centiae paucae (usque 5 — 7 e rosula), spicae pedunculus 6 — 18( — 20) cm longus, ± adscen- 

 dens et arcuatus vel basi tantum arcuatus, dein rectus, validus, teres, crassiusculus, superne 

 parum striatus, inferne glabrescens, superne parce pilis albidis rigidulis inspersus; spica 

 superne densa, inferne laxa vel valde laxa, fructifera et fere totalaxa, 5 — 11 ( — 15) cm longa. 

 Bractea calycem fere vel omnino aequans, ad 3 mm longa, concava, late ovata, angustata, 

 acutiuscula vel apice ipso obtusiuscula vel et parum brevior et apice magis rotundata, 

 apice membranacea, margine parce minutissime ciliolulata, carina lata, nervis compluribus 

 conspicuis, carina a laminis lateralibus tenuiter membranaceis haud bene distincta. Sepala 

 antica angustiora late usque rotundato-elliptica, nonnunquam superne parum angustata, 

 aequilatera vel parum inaequilatera, margine parce minutissime ciliolulata; sepala postica 

 rotundata, carina haud percurrente, laminis lateralibus firme membranaceis angustiore. 

 Corollae tubus calycem aequans, lobi reflexi, parum irregulariter ovati, angustati, apice 

 ipso obtusiusculi, nervo conspicuo. Ovula 2 — 4. Capsula late conica, apice anguste 

 truncata, calyce usque duplo longior; semina 2 — 3 evoluta rubro-brunnea usque 

 brunneo-nigrescentia, nitida, ambitu irregulariter anguste elliptica, 2 — 3 mm longa, dorso 

 convexa, facie hili fere plana vel parum concava vel et imprimis circa hilum concava 

 et late marginata. 



1. f. angustior Pilger nova f. — Folia lanceolata, 6 — 11 cm longa (petiolo 

 circ. 2 — 4 cm longo incluso), 8 — 15 mm lata. 



2. f. latior Pilger nova f. — Folia lanceolata usque elliptico-ovata, 7 — 11cm 

 longa (petiolo circ. 1 — 3 cm longo incluso), 2 — 4 cm lata. 



3. f. maxima Pilger nova f. — Folia ad 25 — 30 cm longa, ad 5 cm lata; spicae 

 pedunculus ad 20 cm longus, spica ad 15 cm longa. i 



Von weiter Verbreitung auf salzhaltigen, feuchten Standorten in Nord-Amerika 

 und N.Mexico: Britisch-Nord-Amerika: Carlton House Fort (Richardson, 

 Herb. Paris, f. maxima); Athabasca bis Great Slave Lake Region (Raup; non v.). 

 Canada: Saskatschewan (Palliser's Brit. N. Am. Exped. leg. Bourgeau — 1858, 

 f. angustior)-, Manitoba (Herb. Geolog. Surv. Canada, leg. Macoun and Herriot 

 n. 78 422 — blühend im Juni 1906, f. angustior); Eastern Quebec, Gaspe-County, 

 St. Anne des Monts (Co Hins and Fernald n. 133 — fruchtend im August 1905, 

 f. latior). Dakota: Aberdeen (Griff iths — blühend im Mai 1897, f. angustior). Wyo- 

 ming: Laramie, Albany Co. (Plants of Wyoming. From the Rocky Mountain Herbarium, 

 Univers, of Wyoming, Laramie, n. 7672 leg. Aven Nelson, f. maxima). Nebraska: 

 Platte Bottom, Kearney Co. (Rydberg n. 304 — Juni 1891, f. angustior); W. Central 

 Colorado: Region der Gunnison-Wasserscheide, Doyles, 2700 m ü. M. (Baker n. 627 — 

 blühend und fruchtend im Juli 1901, f. latior, P. retrorsa Greene!). Mexico: Durango 

 und Umgebung (Palmer n. 503 — 1896, f. angustior). Cunningham 1. c. gibt an: 

 »Moist and saline soil, from Minnesota to California and the lower St. Lawrence«; eine 

 Reihe von Standorten von Montana, Dakota, Wyoming, Nebraska, Colorado werden 

 aufgeführt. 



51. P. Tweedyi A. Gray, Syn. Fl. N. Amer. IL 1. (Neudruck von 1886) 390. — Annua 

 vel perennans? Caudex abbreviatus in radicem crassiusculam, saepius pluries partitam 



7* 



