310 SYNGENESIA POLYGAMIA JEQUALIS. [CL. XIX. 



8. HIEKA'CIUM. HAWKWEED. 



Common calyx egg-shaped, imbricated, of numerous, linear, 

 very unequal scales. Compound corolla of numerous, imbri- 

 cated, uniform, perfect, strap-shaped, abrupt, five-toothed 

 florets. Filaments hair-like, very short ; anthers united into a 

 cylindrical tube, much shorter than the floret. Germen nearly 

 egg-shaped. Style thread -shaped, as long as the stamens ; 

 stigmas two, reflected. Seed egg-shaped or oblong, angular ; 

 seed-down sessile, hair-like, uniform. Receptacle convex, 

 naked or nearly so, dotted. Named from hierax, a hawk. 373. 

 * Stalk from the root, lea/less, or nearly so, single -flowered. 



1. H. alpinum. Alpine Single- flowered Hawkweed. Stalk leaf- 

 less, hairy, one-flowered ; leaves oblong, undivided, somewhat 



toothed ; calyx hairy. Plant covered with long whitish hairs : 



stalk about six inches high : flower large, bright-yellow. Peren- 

 nial : flowers in July : grows on the higher mountains of Scotland 

 and "Wales : frequent. Eng. Bot. vol. xvi.pl. 1110. Eng. Fl. vol. 

 iii. p.355. 1122. 



2. H. Pilosella. Mouse-ear Hawkweed. Stalk leafless, one- 

 flowered ; leaves between elliptical and lance-shaped, entire, white 



and downy beneath ; scions creeping. Readily distinguished by 



its scions and pale-yellow flowers. Perennial : flowers in June 

 and July : grows in dry pastures : common. Eng. Bot. vol. xvi. pi. 

 1093. Eng. Fl. vol. iii. p. 356. 1123. 



'* Stalk from the root, leafless, many-flowered. 



3. H. aurantiacum. Orange Hawkweed. Leaves elliptical, acute, 

 entire ; stalk, often bearing one or two leaves at the bottom, hairy, 

 corymbose, man)' -flowered ; calyx covered with long hairs. 

 Stalk about a foot high, with several deep orange-coloured 

 flowers : leaves rough with short hairs. Perennial : flowers in 

 June and July : grows in woods, but is not indigenous : rare. 

 Eng. Bot. vol. xxi. pi. 1469. Eng. Fl. vol. iii. p. 358. 1124. 



*** Stem with one or two leaves, many -flowered. 



4. //. murorum. Broad-leaved Wall Hawkweed. Stem corym- 

 bose with a single leaf; leaves between egg-shaped and heart- 

 shaped, waved, toothed at the base. Leaves hairy, often pur- 

 plish at the back : stems erect, from twelve to eighteen inches 

 high, round, hairy, bearing four or five large yellow flowers : 

 flower-stalks and calyx rough with, black glandular hairs. Peren- 

 nial : flowers in June : grows on rocks, debris, and old walls : 

 common. Eng. Bot. vol. xxix. pi. 2082. Eng. Fl. vol. iii. p. 359. 



1125. 



5. H. pulmondrium. Lungwort Hawkweed. Stem somewhat 

 corymbose, slightly leafy, solid ; leaves lance-shaped, deeply and 



unequally toothed, the teeth directed forwards. Stem about a 



foot high, round, striated : panicle of from two to six flowers, their 

 stalks and calyx rough with black glandular hairs. Perennial : 

 flowers in July : grows on rocks and woods in the mountainous 

 parts of Scotland. . Eng. Bot. vol. xxxiii. pi. 2307. Eng. Fl. vol. iii. 

 p. 362. 1126. 



6. II. Lauisoni. Glaucous Hairy Hawkweed. Stem more or less 

 branched, solid, slightly leafy ; root-leaves stalked, between egg- 

 shaped and lance-shaped, glaucous, fringed, slightly toothed. 



