188 PLANT NAMES AND SYNONYMS 



984. HERMIDIUM, S. Wats. Hermidium. Nyctaginaceae. 



Herb. A single species, Nevada. 



985. HERRANIA, Goudot. Herrania. Sterciiliaceae. 



Trees related to Theobroma. About 4 species, warmer re- 

 gions of New World. The seeds of (a) H. albiflora Goudot 

 and some other species are used in S. America as substitutes for 

 Cacao, Cacao Cimarrona, 



^86. HESPERALCEA, Greene. Hesperalcea. Malvaceae. 

 From Greek, "western Mallow". Syn. Sidalcea, in part. 

 Robust annual. One species, California. 



987. HESPERALOE, Engelm. Hesperaloe. Liliaceae. 

 From Greek, "western Aloe". Plant resembling Yucca. 



Two species, southwestern U. S. 



988. HESPERELAEA, Gray. Hesperelsea. Oleaceae. 

 From Greek, "western Olive". A small tree. One species, 



Guadalupe Island. 



989. HESPEREVAX, Gray. Hesperevax. Composilae. 



From Greek, "western Evax". Syn. Evax, Psilocarphus, 



Sty Iodine, in part. Floccose- woolly herbs. About 5 spe- 

 cies, California. 



990. HESPERIS, L, - Rocket. - Cruciferae. 



Ancient Greek name of ( a) , flower of the ' 'evening' ' . Biennial 

 or perennial herbs. About .30 species, Europe and Asia. 



a. H. matronalis L. Europe and Asia, cult, and adv. in U. S. 

 Dame's Rocket, Dame's Violet, Garden Rocket, Sweet Rocket, 

 Damask Violet, Summer Lilac, Dame's or Queen's Gilliflower; 

 Night-scented, Rogue's or Winter Gilliflower. Plant reputed 

 diuretic. 



991. HESPEROCALLIS, Gray. Hesperocallis. Liliaceae. 

 From Greek, "evening beauty". Scapose herb with large 



flowers in a simple raceme. One species, California. 



992. HESPEROCNIDE, Torr. Hesperocnide. Urticaceae. 



From Greek, "western nettle" . Perennial herbs, related to 

 Urtica. Two' species, one in Hawaiian Islands one in California. 



^93. HETERANTHEIIA, R. & Pav. 1794. Pontederiaceae. 



From Greek, ' 'with diverse anthers' ' . Syn. Schollera, Schreb. 

 1789, not Roth. 1788; also Leptanthus, Pontederia, Comme- 

 linaf, in part. Marsh or aquatic herbs. About 10 species, 2 

 of Africa, the rest of America, 4 in U. S. The best known is 

 (a) H. diibia (Jacq. ) MacM. (C. dubia Jacq., L. graraineus 

 Michx. , H. graminea Vahl. (Kew), S. graminea A. Gray). 

 Water Star-grass. (b) H. reniformis R. & P. and (c) H. 

 limosa (Sw. ) Willd. are called Mud Plantain. 



t994. HETER0C6d()N, Nutt. Heterocodon. Cainpanulaceae. 



From Greek, "diflTerent bells", alluding to dimorphism of 

 corollas. Syn. Campanula, in part. Annual herb. One spe- 

 cies, Pacific coast of U. S. 



