SCIENTIFIC AND POPULAR. 191 



b. H. aquatica (Michx. f. ) Raf. (J. aquatica Michx. f., C. aquatica 



Nutt. ). Southeastern U. S., west to Texas. Water Hickory, 

 Swamp Hickory, Bitter Pecan, Water Bitter-nut. Kernel 

 bitter. Wood soft. 



c. H. glabra (^[ill.) Brit. (J. glabra Mill., C. porcina Nutt., H. 



porcina Raf. ). Canada and eastern U. S. , west to Minnesota. 

 Pig-nut, Pig-nut Hickory, Bitter-nut, Hog-nut, Broom Hickory; 

 Black, Brown, Red or White Hickory. Kernel astringent 

 and bitter. 



d. H. laciiiiosa (Michx. f. ) Sarg. (J. laciniosa Michx. f., C. sul- 



cata Nutt., H. sulcata Raf. ). New York to Tennessee, west 

 to Indian Territory. Big Shag-bark, Shell-bark Hickory, 

 Kinc)^-nut; Big, Thick or Western Hickory, iVwUhick-shelled. 

 Ktrnel esculent. 



e. H. inicrocdrpa (Nutt.) Raf. (J. alba var. odorata Marsh., C. 



microcarpa Nutt. , H. glabra var. odorata Sarg. ) . Massachusetts 

 to Virginia, west to Missouri. Small-fruited Hickory, Balsam 

 Hickory, Little Shag-bark, Small or Little Pig-nut. Nut thin 

 shelled. Kernel esculent. 



f. H. minima (Marsh) Brit. (J. alba var. minima Marsh, J. sulcata 



Willd., C. amara Nutt., H. amara Raf. ). Bitter-nut, Bitter 

 Pig-nut, Swamp or Bitter Hickory. Kernel very bitter. 



g. H. ovdta (Mill.) Brit. (J. ovata Mill., C. alba Nutt., not J. 



alba L. ). Canada and eastern U. S., west to Minnesota. 

 Shag-bark, Shag-bark Hickory, Shell-bark or Scale-bark 

 Hickory, White Hickory, Redheart or Upland Hickory, King- 

 nut, White or Sweet Walnut. Nut thin shelled. Kernel es- 

 culent. 



h. H. Pecan (Marsh.) Britton (J. Pecan Marsh., H. olivseformis 

 Raf., C. olivseformis Nutt.). Indiana and Kentucky, west 

 to Texas and Iowa. Pecan, Peccan, Illinois-nut, Illinois 

 Pecan, Soft-shell Hickory. Seed very sweet, yields a bland, 

 pleasant-flavored fixed oil. 



1005. HIERACIUM, L. Hawkweed, Speer-hawk. Cichoriaceae. 



Ancient Greek name of a different plant, meaning ''hawk- 

 weed''. Syn. Pilosella, in part. Perennial herbs. About 300 

 species, north temperate zone and Andes mountains; 37 in U. S. 

 (including some naturalized); Ger. Habichtskraut; Fr. Eper- 

 vi^re. 



a. H. aurantiaciim L. Europe, nat. in U. S. Orange or Tawny 



Hawkweed or Hawkbit, Golden Mouse-ear Hawkweed, 

 Grim-the-coUier, Devil's Paint-brush, Flora's Paint-brush. 



b. H. Canadense Michx. British America, south to New Jersey 



and Michigan. Canada Hawkweed, High Dandelion. 



«. H. Gronovii L., Hairy Hawkweed and (d) H. scdbrum 



(Michx.), Rough Hawkweed, both of eastern U. S. to Canada, 

 are used for relief of toothache. 



