194 PLANT NAMES AND SYNONYMS 



1021. HOTT^NIA, L. Featherfoil, etc. Priimilaceae. 



Named for Prof. Peter Hotton of Ley den, d. 1709. Pretty 

 aquatic herbs with whorled leaves. Two species, one of Euro- 

 Asia, one of eastern U. S. Synonyms, Water-feather, Water 

 Gilliflower, Water V'^iolet, Water Yarrow; Ger. Wasserviole; 

 Fr. Phime d'eau. 



1022. HOUST^NIA, L. Bluets, Venus' -pride. Rubiaceae. 

 Named for Dr. William Houston, English botanist, d. 1733. 



Syn. Oldenlandia, Hedyotis, in part. Low herbs with small 

 blue, purple or white flowers. About 25 species, N. America; 



18 in U. S. 



a. H. coerulea L. (Hed. coerulea Hook., O. coerulea A. Gray). 

 Nova Scotia to Alabama, west to Michigan. Bluets, Innocence, 

 Angel's-eyes, Blue-eyed grass. Bright-eyes, Eye-bright*, Little- 

 washerwoman, Nuns, Quaker-bonnets, Quaker-lad it-s, Star-of- 

 Bethlehem*, Venus' -pride. Wild Forget-me-not. (b) H. an- 

 gustifolia Michx. and (c) H. minor (Michx. ) Brit, are called 

 Star Violet. 



1023. HOUTTUYNIA, Thunb. 1784 (Houtouynia). Piperaceae. 



Named for M. Houttuyn, Dutch botanical writer, 18th 

 century. Syn. Anemopsis, Hook. 1838, Anemonopsis Pritz., 

 not S. & Z. Marsh j)lants. Two species, one of eastern Asia, 

 one of California. 



a. H. Californica B. & H. (A. Califomica H. & A., A. Berlanderi 

 C. DC). California to Mexico. Yerba Mansa. Root pun- 

 gent. 



1024. HOWELLIA, A. Gray. Howellia. Lobeliaceae. 



Named for the discoverers, Joseph and Thomas T. Howell. 

 Delicate aquatic or marsh herbs. Two species, Pacific coast of 

 U. S. 



1025. h6ya, R. Br. Wax plant. Asclepiadaceae. 



Named for Thomas Hoy, English gardener. Herbaceous 

 climbers. About 50 species, tropical Asia to Australia; (a) 

 H. cariiosa R. Br. from India is the well known Wax plant, 

 cult, for ornament. 



1026. HUDSONIA, L. False Heather, etc. Cistaceae. 

 Named for William Hudson, English botanist, d. 1793. 



Heath-like plants, verv showy in bloom. Three species, east- 

 ern U. S. 



a. H. ericoides L. Nova Scotia to Virginia. Heath-like Hud- 



8onia§, Field Pine, Poverty-grass. 



b. H. tomentosa Nutt. Canada and northeastern U. S. Woolly 



Hudsonia, False Heather, Beach Heather, Heath, Bear-grass, 

 Dog's-dinner, Ground Cedar, Ground Moss, Poverty-grass. 



1027. HtLSEA, T. & Gr. - Hulsea. - Compositne. 



Named for Dr. G. W. Hulse, U. S. Army. Viscid-pubescent 

 balsamic herbs. Six species, California to Washington. 



