







< 



k * 





f 



Hieracia Domingensia. 



.< 



Von 



K. H. Zahn. 



i 



, i 



Subgenus Stenotheca (Monn.) Fr., Epicr. p. 140. 



Sectio Pulmonareiformia Fr. 1. c. p. 150. 



* 



Involucra cylindrica gracilia pauciflora, squamis eximie biserialibus, 



* 



extimis brevissimis. Achaenia elongata gracilia fusiformia sursum mam- 

 feste attenuata (2,5 — )3 — 4 mm longa. 



Subsectio I. Floccosa n., foliis subtus sub- v. dense v. interdum leviter 



cano-floccosis, haud raro etiam in parte superiore parce v. 

 floccosis. 



sub- 



Hue pertinent 1. H. venosum L., 2. H. carolinianum Fr., 3. H. Bu- 

 gelii A.-T., 4. H. domingense n., 5. H. Oronovii (L.) Torr. et Gray, 

 6. H. pennsilvanicum Fr. 



Glavis specierum Domingensium. 



4 a. Caulis phyllopodus ad 40 cm altus corymboso- 



7— 20-cephalus, 2— 5-foliatus H. Oronovii ssp. domingense n. 



ib. Caulis 60—4 00 cm altus phyllopodus v. hypo- 



phyllopodus longe racemoso-corymboso-polyce- 



phalus, 3— 6(— 12)-foliatus H. Oronovii ssp 



2. Caulis ad 100 cm altus aphyllopodus longissime 



et coarctate thyrsoideus polycephalus, polyphyllus H. pennsilvanicum Fr. 



1. H. Gronovii (L.) Froel. in DC, Prodr. VII. p. 217. 



a. Ssp. domingense n.; H. Carolinianum, venosum macrocepna- 



lum et Marianum nhlnnn 



Oronovii 



n. 



folium Peter in sched.! H 



1D- 



sched., nee A.-T. — Caulis phyllopodus 17—40 cm altus tenuis, 

 feme sub-, basi dense pilosus, pilis dilutis tenuiter setosis 2— 5 innl 

 longis, usque ad basin floccosus, sursum disperse v. sparsim pilosus den- 



sius floccosus eglandulosus 



v. raro in 



summo apice tantum sparsim 



,_t..«/)ii1nsa 



glandulosus. Folia viridia sublutescentia v. subcanescentia eg 



landulos 



supra parce v. modice, subtus ± dense v. canofloccosa, 



supra 



et in margine modice v. densiuscule molliterque setosa (3 



5 mm), 



in 





























