HIERACIUM. 205 



st.-l. often stalked and aggregate, upper st.-l. sessile, heads few 

 subcorymbose, ped. rigid erect slightly floccose, inv. roundly 

 ventricose subglabrous or slightly hairy, phyll. dark green broad 

 blunt incumbent, style yellow with fuscous hairs. Very variable, 

 1 4 ft. high. St. rigid, rarely much branched. Rt.-l. very 

 rarely persistent. L. all similar, firm, narrowed at both ends, 

 sometimes very narrow. Young heads cylindrical. Inv. with 

 few brownish hairs and very slightly floccose or subglabrous. 

 /3. latifolium (Backh.) ; st. branched, 1. broadly lanceolate, style 

 nearly wholly yellow. H. norvegicum (Fr.?). Heathy or grassy 

 subalpine places. P. VII. IX. 



iii. ACCIPITRINA. No true rt.-leaves. Forming closed 

 buds at the base of the st. in autumn. St. leafy. Phyll. in 

 many rows. Hairs of pappus rigid, unequal. 



* Pseudo-pulmonarete. Rarely forming small basal rosettes 

 which do not outlive the winter. 



26. H. tridentatum (Fr.) ; st. leafy, 1. lanceolate few-toothed 

 at the middle falsely 3- veined, rt.-l. narrowed into winged pe- 

 tioles, st.-l. sessile, heads corymbose, round-based inv. and long 

 floccose slender ped. with short hairs, inv. of fr. truncate below 

 constricted in the middle, phyll. pale-edged subglabrous rather- 

 blunt, styles livid. Rt.-l. rarely persistent. 2 5 ft. high. St. 

 often much branched above, with leaves decreasing successively 

 to small bracts, hairy below. Petioles and base of sessile 1. vil- 

 lose. Teeth of 1. usually large. Inv. of fr. often an acute cone, 

 sometimes floccose. Pappus reddish. Banks. P. VIII. IX. 



** Aphyllopodce. Never forming rosettes. Rt.-l. fading 

 early. 



t Florets minutely pilose or subglabrous at the tips. 



27. H. prenanthoides (Vill.); st. leafy, /. all clasping net- 

 veined and glaucous beneath hairy on both sides, lowest narrowed 

 into winged auricled petioles, interm. pinched above their base, 

 uppermost 1. cordate-lanceolate, heads in a corymbose panicle, 

 ped. short lax very floccose and setose, inv. cylindrical rather 

 floccose very setose, outer phyll. few much the shortest, inner all 

 about equal and blunt, styles with dark hairs, fr. pale. E. B. 

 2235. 1 3 ft. high. St. rather rigid, usually hairy. Pan. leafy 

 below. Heads small. Pappus whitish. River sides in the 

 north. P. VII. VIII. 



28. H. strictum (Fr.) ; st. leafy, I. sessile oblong-lanceolate 

 denticulate glaucous beneath, lowest lanceolate much narrowed 

 below, uppermost I. rounded below scarcely clasping, heads 



