BOTANICAL NOMENCLATURE. 437 



Arnica. From Gr. apvarif, sheepskin, Lat. arnacis, a coat of sheepskin; 



in reference to the hairy stem and leaves ; or, according to others, 



from Gi - . irTapfiiK6s, Lat. ptarmicus, causing to sneeze. 

 Aromaticus-a-um. Aromatic, fragrant. 

 Artemisia. Wormwood, ancient Greek name of an herb. From the queen 



Artemisia, wife of Mausolus. 



Artemisiaefolius-a-um. Having leaves resembling those of Artemisia. 

 Artocarpus. Breadfruit. From Gr. d/arof, bread, + Kapir6s, fruit. 

 Arum. Also Aron. The ancient Greek name apov. 

 Arundinaceus-a-um. Reed-like. From Lat. arundo, a reed. 

 Arvensis-e. Cultivated. From Lat. arva, an arable field. 

 Asagraea. From Asa Gray, the eminent American botanist. 

 Asarum. Hazelwort, Wild ginger. The ancient Greek name. 

 Asclepias. Milkweed, Silkweed. Named in honor of ^sculapius, the Latin 



tutelary god of medicine. 

 Asimina. North American papaw. The Northern Algonkin corruption of 



rassimina, in allusion to the shape of the fruit. 

 Asparagus. From the ancient Greek name aanapayos, asparagus. 

 Asperula. Woodruff weed. From Lat. asper, rough ; in allusion to some 



scabrous species. 

 Aspidium. Shield fern. From Gr. aairiSiov, a little shield ; from the shape 



of the indusium. 

 Aspidosperma. From Gr. aairif t a shield, + anipp.a t seed ; from the shape 



of the seed. 

 Asplenium. Spleenwort. From Gr. a priv., + crn-A^v, the spleen ; because 



of its supposed remedial properties. 



Astragalus. Milk vetch. Gr. aarpayakoq, a leguminous plant. 

 Athamanticus-a-um. Of Athamas, a mountain in Thessaly ; with reference 



to the habitat of the plant. 

 Atriplex. The ancient Latin name for orach; a corruption of the Greek 



Atropa. Name from ' ArpoTrof, one of the Greek Fates ; from o priv., -j- 



T/307T//, a turn ; hence unchangeable, inflexible. 

 Atropurpureus-a-um. From Lat. ater, dark, -\- purpureus, purple ; dark 



purple. 

 Aurantium. Orange. From Lat. aurum, gold, referring to the color of the 



fruit. 



Australis-e. Southern. Lat. ouster, the South wind. 

 Autumnalis-e. In the autumn ; referring to the time of blooming. 

 Avena. Oats. The classical Latin name. 

 Baccharis. Groundsel tree. The classical name of a shrub dedicated to 



Bacchus. 



Baccifer-a-um. Producing berries. Lat. bacca, a berry, + fero, to bear. 

 Ballota. Fetid horehound. The ancient Greek name. 



