Plantago sect. Eremopsyllium. 283 



radix bene evoluta, valida, ad 10 cm longa, rhizoma breve indivisum vel raro ramis non- 

 nullis brevibus divisum, reliquiis vaginarum obtectum. Folia sicca satis tenuia vel usque 

 papyracea, pauca vel numerosiora rosulata, erecta, lanceolata, superne sensim angustata, 

 inferne sensim brevius usque longe petiolatim angustata, 8 — 20 cm longa, ad 2 cm lata, 

 villis longioribus vel longis, albidis, articulatis, in sicco ± adpressis ± inspersa vel im- 

 primis basin versus usque satis copiose villosa, nervis 3 — 5, lana basali fusca satis copiosa. 

 Inflorescentiae paucae; spicae pedunculus validus erectus, rectus vel parum arcuatus, 

 folia aequans vel ad 25 cm longus, parce villis inspersus; spica angusta, densa, 3 — 6 cm 

 longa. Bractea ovata vel late ovata usque subrotundata, concava, usque calycem circ. 

 aequans, 2 — 2,5 mm longa, margine superiore irregulariter breviter rigidule ciliata, carina 

 tenuiore vel crassa, lata, sicca nigricante, laminis lateralibus aequilata vel fere aequilata, 

 non omnino percurrente. Sepala 2 — 2,5 mm longa, carina non omnino percurrente; 

 sepala antica elliptico-obovata vel late obovata, apice membranaceo-apiculata, margine 

 superiore lacerulata et minute ciliolata, carina satis crassa et lata, apice obtusa, 

 inferne parum angustata; sepala postica late elliptico-obovata usque late rotundata, 

 satis inaequilatera. Corollae lobi tenues, albidi, ovati, acutiusculi vel et rotundato-ovati, 

 brevissime angustati vel et angustius elliptici et apice obtusi et irregulariter denticulati, 

 1,25 — 2 mm longi, enerves vel nervo tenui percursi. Anthera 1,5 — 2 mm longa, apiculo 

 triquetro. Stilus bene exsertus, crassiusculus, dense papillosus. Ovula 6( — 7), 1 — 2 (in 

 spec. mihi visis) in semina evoluta; semina (an bene evoluta?) nigra, facie hili parum 

 concava, ambitu anguste elliptica, ad 2 mm longa. 



Britisch-Nordamerika: Mackenzie-River (Richardson, Typus von P. 

 Bichardsonii, Herb. Paris) ; Yukon Terr. (Andersson — 1898, Herb. Stockholm) ; 

 Yukon Terr., bei Little Salmon (Williams — fruchtend im August 1899, Typus von 

 P. septata, Herb. New York) ; Yukon Terr., Dry Gulch, trockene Hänge (Gor man 

 n. 1010 — blühend im Juni 1899, Herb. New York); Yukon Terr., Five Finger Rapids 

 (Tarleton n. 81 — blühend im Juli 1899, Herb. New York). Ver. Staaten: Midvale, 

 Mont. (Umbach n. 377 — Juli 1903, Herb. New York). Kamtschatka?: (Herb. 

 Kunth in Herb. Berlin: Lindley ded. 1830). Sibirien: Sibiria Orient. (Pallas 

 — 1789, Herb. Willdenow unter P. lanceolata); zwischen Jakutsk und dem Maja-Fluß 

 (Drobow, Iter Jakut. n. 15 — 1912). [Adams gibt für P. canescens an: »crescit ad 

 ripas Lenae Jachutzk«]. 



var. glabrata Pilger nova var. — Folia glabrescentia usque glabra. 

 Britisch-Nordamerika: (Fl. Bor. Am., Hooker, Herb. New York); Rat 

 River above Ft. Yukon und Mackenzie River (Onion, Kennicott and Hardisty — 

 1861—62, Herb. New York). 



Sectio 12. Eremopsyllium Pilger nova sect. 

 Ovula 2 ; corollae lobi hyalini, parum nitentes ; radix haud evoluta ; folia late cordato- 

 ovata vel reniformia. 



Species unica: 



165. P. reniformis G. Beck in Ann. Naturh. Hofmus. Wien II. (1887) 149, T. III, 

 Fig. 1—2; Pilger in Fedde, Repert. XIX. (1923) 112. — Perennis, rhizomate demum 

 satis valido, ± horizontali, ad 5 cm longo, radice perennante nulla. Folia 4 — 7 rosulata, 

 petiolata, sicca satis tenuia, membranacea, bene evoluta late cordato-ovata usque rotun- 

 dato-ovata vel reniformia usque latiora quam longa, 6 — 9 cm longa, ad 8 cm lata, margine 

 superne irregulariter ± repando-undulata vel late crenato-undulata, in crenaturis ir- 

 regularibus etiam denticulis instructa, inferne saepe grosse irregulariter dentata vel versus 

 basin et lobulato-incisa, lobulis obtusis, ambitu variantibus, folia adulta glabrescentia 

 vel imprimis subtus parce albido-puberula, ad nervös et magis puberula, nervi 5 — 9 superne 

 anguste parum prominuli vel vix conspicui, subtus parum magis prominuli, a basi laminae 



