260 Carolus Hermannus Zahn. 
glandulis subnumerosis sat longisque et in margine basin versus floccis 
- dispersis v. mediocriter numerosis obsitae. Pedunculi consimiles sat 
dense floccosi. Ligulae tubulosae luteae, stylus initio brunneus denique 
obscurus, achaenia atra ad 4 mm longa. 
Prov. Kuban: In valle fl. Teberdae superioris. 
H. svaneticiformi affine et verosimiliter inter hane subspeciem et 
H. erythrocarpum intermedium v. hybridum. 
Ssp. sobrinatum Litw. et Zahn. 
Caulis ad 50 cm altus gracilis, superne epilosus parcefloccosus, 
basin versus pilis mollibus ad 5 mm longis subpilosus fere effloccosus. 
Folia radicalia pauca lanceolata ad 15 cm longa utrimque, basin versus 
multo longius attenuata acuta alato-petiolata denticulata v. serrato-dentata, 
subglaucescentia tenuia, supra glabra, in margine pilis subrigidiusculis ad 
4 mm longis sat dense ciliata, subtus dilutius viridia molliter subpilosa» 
caulina 3(—4) sensim decrescentia angustioraque basi angustata sessilia, 
summum fere integerrimum  parcefloccosum. Inflorescentia laxe pani- 
culata subindeterminata, rami primarii 3(—4) valde remoti tenues, acla- 
dium c. 12 mm longum, ordines axium 3, capitula (3—)4—10. Invo- 
lucrum satis parvum ad 9 mm longum ovatüm, squamae subangustae 
acutiusculae v. pleraeque acutae subirregulariter imbricatae atro-virides 
dilutius submarginatae, mediocriter pilosae, 1 mm, disperse tenuiterque 
glandulosae, in margine praesertim basin versus subfloccosae. Pedunculi 
leviter cani epilosi apice disperse tenuiterque dr EE Ligulae luteae, 
stylus subobscurus, achaenia fere atra. 
Prov. Kuban: In valle fl. Teberda, in silva 1260 m. 
Inter ssp. simplicicaule et ssp. erythrocarpum intermedium. Folia rosu- 
laria exteriora saepissime emarcida parva elliptica acutiuscula. 
Hololeia-Tridentata. 
34. Hieracium Biebersteinii Litw. et Zahn — sparsiflorum-laevigatum Zahn, 
nov. spec. intermedia. 
Sub hoe nomine collectivo tres subspecies eximias describo, ex qui- 
bus prima formulae sparsiflorum > laevigatum, reliquae formulae sparsiflorum- 
laevigatum respondent. 
Ssp. Biebersteinii Litw. et Zahn. 
Phyllopodum v. saepius hypophyllopodum. Caulis ad 55 cm altus 
gracilis strictus viridis v. leviter coloratus striatus, superne fere epilosus 
v. pilis solitariis obsitus, inferne subpilosus (3—4 mm) basi + violaceus, 
usque ad medium v. profundius parcefloccosus, eglandulosus. Folia radi- 
calia pauca, alato-petiolata, lanceolata ad 16 cm longa 2 cm lata v. an- 
gustiora, in petiolum basi late vaginantem sensim longeque angustata 
acutiuscula v. acuta, supra glabra olivaceo-viridia, subtus disperse pilosa 
pallidiora, in margine nervoque dorsali sat dense pilosa (2—4 mm), in 
petiolo praesertim basin versus densius pilosa subvillosave, in margine 
etiam glandulis minutissimis solitariis praedita, utrimque c. 3 dentibus 
triangularibus saepe elongatis leviter antrorsum curvatis et nonnullis 
