Plantago sect. Holopsyllium. 



Sectio 4. Holopsyllium Pilger 

 nova sect. 



101 



Capsula indehiscens; semina magna, facie hili sulcata; bractea et sepala nervo angusto 

 instructa, haud carinata. — America borealis. 



Species unica: 

 54. P. macrocarpa Cham, et Schlechtend. in Linnaea I. (1826) 166; Barneoud, Monogr. 

 Plant. (1845) 34 n. 61; Decne. in DC. Prodr. XIII. 1. (1852) 717 n. 115; Fr. Kurtz in 

 Englers Bot. Jahrb. XIX. (1894) 402; H. St. John in Research Stud. State Coli. 

 Washington I. (1929) 105; Hulten, Flora of Kamtchatka IV. (1930) 130. — Satis elata, 

 perennis, radice perpendiculari satis crassa, rhizoma foliorum delapsorum basibus obtec- 

 tum. Folia satis numerosa rosulata, erecta, sicca membranacea usque papyracea, parum 

 flexibilia, lanceolata vel anguste lanceolata, superne sensim angustata, apice ipso 



Fig. 14. Plantago macrocarpa Cham, et Schlechtend. 1 Braktee. 2, 3 Kelchblätter. 4 Teil der 

 Korollenröhre mit 2 Zipfeln. 5 Staubblatt. 6 Frucht. 7 Same. — Original. 



parum indurata, obtusiuscula, inferne sensim sensimque in petiolum angustata, cum 

 petiolo 17 — 40 cm longa, 1,5 ad 3 cm lata, glabra, integra, nervis 5 (vel et nonnunquam 

 7) supra vix conspicuis, subtus anguste prominulis, petiolus a lamina haud discre- 

 tus, angustus, inferne plicatus, basi anguste vaginatim dilatatus. Inflorescentiae 

 paucae; spicae pedunculus firmus, erectus, 17 — 30 cm altus, striatus, inferne glaber, 

 infra spicam cano-villosus, junior usque tomentosus; spica imprimis ad florum 

 basin villosa, junior densa, demum laxata, ad 10 cm longa, fructifera parte inferiore vel 

 omnino laxa, floribus ± distinctis. Bractea late calycem amplectens, eum aequans, 

 3 — 4 mm longa, late rotundata, margine irregulariter erosa, concava, haud carinata, 

 praeter marginem satis angustum hyalinum sicca brunnea vel fere nigrescens, margine 

 nonnunquam parce ciliolulata, mediano perangusto haud percurrente. Sepala parum 

 diversa, latiora late vel rotundato-ovata, margine erosula, glabra, haud carinata, mediano 

 perangusto ad % — 34 sepali tantum percurrente ; sepala angustiora circ. elliptica, erosula. 

 Corollae tubus 3 mm longus, lobi triangulari-ovati vel ovati, 2 ad 2,5 mm longi, enervii. 

 Ovula 2. Capsula magna, ellipsoidea, 6 — 7 mm longa, non circumscissa, integra decidens; 

 semina 2 magna, nigrescentia, 4 — 4,5 mm longa, crassa, irregulariter anguste elliptica, 

 facie hili latiuscule sulcata et late marginata. — Fig. 14. 



