G. SAMUELSSON, ARCHIERACTUMFLORAN I SÄTERSTRAKTEN. 1 I 



H. Haegerstroemii Dahlst. n. sp. 



Dahlst. Bidr. 11 p. 148. — Dahlst. Herb. Hier. Scand. 

 Cent. XII n:o 55. 



Caulis vulgo elatus 40 — 70 cm. altus, ssepe flexuosus, 

 — 2-folius, inferne sparsim et longe pilosus, fere efloccosus. 

 medio parce pilosus floccis raris v. sparsis obsitus, superne 

 epilosus et glandulis solitariis v. raris obtectus sparsim floc- 

 cosus, sub inflorescentia sparsim glandulosus. basi + violaceus. 



Folia basalia sub anthesi 4 — 6; exteriora parva ovata — 

 elliptica basi ssepe rotundata — subcordata ± obtusa, parce et 

 breviter denticulata; intermedia ovato-elliptica — ovata v. 

 ovato-lanceolata ± acuta, inferne crebre et late dentata den- 

 tibus in petiolo intcrdum descentibus, apicem versus ± in- 

 tegra; intimum ± elongatum late — anguste lanceolatum, 

 crebre et irregulariter et praesertim basin saepe longe decur- 

 rentem versus longe dentatum v. laciniato-dentatum, dentibus 

 ansustioribus, petiolis laciniis liberis angustis vulgo instructis; 

 omnia inferne ssepe ± violascentia et in nervo dorsali parce - 

 sparsim stellato dense et longe ceterum densiuscule pilosa, in 

 marginibus dense ciliata, in pagina superiore sparsius pilosa 

 — dense lanuginosa, supra saturate viridia sublutescentia, 

 infra pallidiora subcsesia — viridia. 



Folium caulinum infimum ± petiolatum ± anguste — late 

 lanceolatum v. ovato-lanceolatum, ssepe supra medium latis- 

 simum in apicem ± integrum acutum — cuspidatum protractum, 

 inferne dentibus insequilongis crebris et acutis sat latis paten- 

 tibus — sat erectis interdum ± retroversis (recurvatis) laciniato- 

 dentatum, superne latins et brevius dentatum, margine ssepe 

 plicato, in ipsa basi ± longe decurrente dentibus vel laciniis 

 crebris instructum, petiolo laciniis liberis omnino praedito. 

 Fol. caulin. superius, si adest, lineare vulgo sessile subulato- 

 dentatum. 



Inflorescentia ± polvcephala paniculata v. vulgo ± um- 

 bellata, sat expansa, ramo ex axillo folioli summi bracteiformis 

 evoluto vulgo aucta, ramo summo monocephalo acladium 1,5 

 — 3,5 cm. longum ± sequante; ramo v. ramis inferioribus ± 

 polycephalis idem vulgo ± superantibus ± arcuatis dense, 

 sub involucris densissime et longe glandulosis. sparsim v. sub 

 involucre densius floccosis, epilosis. 



