104 ACTA HORTI BEKGIANI. BAND 2. NIO 4. 



Hieracium lacistophyllum n. sp. 



Caulis 25 — 60 ctm. altus sat rectus v. leviter flexuosus firmus o— i(— 2)- 

 phyllus, inferne sparsim longe et molliter pilosus, superne fere epilosus, basi 

 leviter apice sparsim — sat densiuscule stellatus, eglandulosus v. apice glandulis 

 minutis raris obsitus. Folia basalia 4 — 6 in rosulam congesta sat longe petio- 

 lata, exteriora + ovalia v. ovato-quadrangularia crebre et obtuse dentata den- 

 tibus marginibus + convexis basi ovata v. + truncata apice + rotundato-obtuso, 

 intermedia + ovato-ovalia — oboblonga v. oblongo-lanceolata basi cuneata v. 

 sat longe descendente apice integro + obtuso — obtusiusculo v. sat acuto ad 

 medium grosse et late — subanguste et irregulariter ad basin anguste dentata 

 dentibus + patentibus distantibus marginibus + convexis, interiora ovato-lanceo- 

 lata — lanceolata irregulariter et inaequaliter + crebre et longe et acute den- 

 tata et praesertim ad basin descendentem saepe anguste dentatam longe — 

 longissime + anguste — late incisa in apicem integrum acutum protracta, den- 

 tibus saepe inordinate patentibus erectis et retroversis marginibus rectis v. cur- 

 vatis, supra parce pilosa — subglabra, subtus sparsim et praesertim in nervo 

 dorsali sat stellato densiuscule pilosa, marginibus sat longe et densiuscule ciliata 

 sparsim et minute glandulosa, in petiolis sat dense longe et molliter pilosa 

 parce microglandulosa; caulina raro duo, infimum + petiolatum lanceolatum 

 intimo basali simillimum prope basin insertum, summum sublineare supra medium 

 caulis affixum, vulgo unum ad medium v. supra medium caulis insertum sub- 

 petiolatum v. sessile lanceolatum crebre et irregulariter subulatodentatum denti- 

 bus + curvatis erecto-patentibus + longe acutum — subulatum magis pilosum 

 et subtus densius stellatum, omnia supra laste gramineo-viridia, subtus pallidiora 

 subglaucescentia. lnflorescentia sat ampla paniculata subcomposita 5 — 7-cephala, 

 ramo oligocephalo ex axillo folii caulini evoluto aucta, ramis sat approximatis 

 erecto-patentibus basi leviter curvatis acladium (5 — )io — 15 mm. longum + longe 

 superantibus + dense canofloccosis fere epilosis et parcissime glandulosis, pedi- 

 cellis brevibus acladioque pilis raris brevibus v. nullis et glandulis parvis — 

 mediocribus sparsis v. superne paullo frequentioribus obtectis. Involucra parva 

 10 — 12 mm. longa crassiuscula fusco-viridia basi + ovato-rotundata. Squamce 

 exteriores paucse lineares subadpressae, intermedia? subtriangulare lanceolata; + 

 obtusas, interiores lineari-lanceolata; obtusas v. obtusiusculae et intima; paucse 

 angust;e subacutae, plurimae latiuscule virescentimarginatEe dorso fusco-virides 

 apicibus subpiceis levissime comosa:, exteriores inferne pra;sertim in marginibus 

 levissime stellata;, glandulis mediocribus — parvis sparsis v. paullo frequentiori- 

 bus et pilis mediocribus crassis nigris apice + albidis densiusculis — subdensis 

 obtecta;. Calathidiuni parvum subradians, sat obscure luteum. Ligulce margi- 

 nales angustae 2 — 2,5 mm. lata; sublacerata; dentibus angustis apice ipso ferru- 

 gineo-rubescentibus sparsim et breviter ciliata; — subglabra;. Stylus ferrugineo- 

 virescens fuscohispidulus, siccus sat nigrescens. 



En mycket distinkt och fristående form, hvilkens slägtskapsförhållanden 

 med öfriga Nigrescentia äro mig okända. Med följande har den en viss likhet 



