HIEKACIUM. 233 



ii. PULMONAREA. Radical rosettes in autumn which pro- 

 duce the persistent root-1. of the next year. Phylls. inter- 

 ruptedly or irregularly imbricate. Fr. short, truncate, 

 not crenulate, striate. Hairs of pappus unequal, rigid. 



* Alpiniformes. Inv. shaggy or silky. Outer phyll. lax ; 

 inner acuminate or acute. Fl. hairy externally, more or 

 less pilose at the tips. St.-l. 1 or few, or leaflike bracts. 

 H. alpinum L. 



4. H. alpinum (L.) ; deep green, st. I-headed hairy floccose, 

 rt.-l. lanceolate or ovate spathulate narrowed into petioles, st.-l. 

 1 or few sessile, buds slightly nodding, inv. hemispherical shaggy 

 with long soft black-based hairs setose, phyll. few broad acumi- 

 nate lax, styles yellow. H. alpinum Backh., Sy. E. ft. 827 ; 

 Mon. Brit. Hierac. PL 5; Exsicc. Fasc. iii. 51. St. 4 8 in. 

 high. Usually 1 st.-leaf. Head large, always solitary; fL 

 bright yellow, with short hairs at the topi a ; rt.-l. ovate- 

 spathulate. j3. insigne ; rt.-l. lanceolate with a few large teeth, 

 heads very large. Lofty mountains of Scotland. P. VII. VIII. 



S. 



5. H. holoseric eum (Backh.); green; st. 1-headed shaggy 

 silky floccose, rt.-l. l&nc&olfitQ-spathulate or linear-lanceolate 

 blunt hairy on both sides narrowed into winged petioles, st.-l. 

 few small sessile, buds nodding, inv. turbinate shaggy with long 

 silky white black- based hairs, outer phyll. very lax leaflike blunt, 

 inner phyll. adpressed linear acute, styles yellow. H. alpinum 

 Sm. E. B. 1110; Mon. Brit. Hierac. PL 6 ; Exsicc. Fasc. ii.- 

 28. St. 3 9 in. high. Usually 1 2 st.-leaves. Head solitary. 

 L. entire or sometimes slightly denticulate. Fl. densely hairy 

 at the tips, bright yellow. Lofty mountains. Cumberland. 

 Grampian and Breadalbane Mountains. P. VII. VIII. E. S. 



6. H. exim'ium (Backh.) ; green, st. usually I-headed hairy 

 floccose, rt.-l. lanceolate acute sharply toothed hairy on both sides 

 narrowed into broadly winged petioles, st.-l. small slender, buds 

 nodding, inv. truncate below shaggy with rather silky black- 

 based hairs, phyll. many linear-attenuate, outer phyll. small lax. 

 Sy. E. B. 825 : H. villosum Sm., E. B. 2379, not L. ; Mon. 

 Brit. Hierac. PL 7 ; Exsicc. Fasc. i. L St. 615 in. high ; 1. 

 few. Rarely more than 1 large head. L, sometimes entire, 

 usually with large teeth. Flowers twice in cultivation, (1) 

 with one head, (2) with many nearly parallel branches and 

 many heads. a. St. long, rt.-l. lanceolate dentate, styles livid. 

 /3. tenellum (Backh.) ; st. short slender, rt.-l. lanceolate or 

 linear-lanceolate, styles yellow. Considered a distinct species 



