A S C 75 



196. ARISTOLOCHIA, II. 23. 

 sipho (birthwort.) scrpcntaria. 



121. ARMENIACA, 36. 92. 

 vulgaris (apricot.) dasycarpa (black apricot.) 



132. ARNICA, 49. 55. 

 montana (arnic.) 



125. ARONIA, 36. 92. 



arbuti^olia (red choak-bcrry.) bdtryapium (shad-bush, 

 w. Ap. i?.)" leaves oblong-oval ; cuspidate, glabrous: 

 flowers racenied ; petals linear : germs pubescent : seg- 

 ments of the calyx glabrous, sanguineu (bloody cboak- 

 beiTy.) melanocarpa (black choak-berry.) ovulis (med- 

 lar bush.) 



182. ARTEMISIA, 49. 55 



abrotanum (southern woo i.) canadensis (wild worm- 

 wood.) pontica (roman artcmisia.) absynthium (worm- 

 wood.) vulgaris (mugwort.) 



2013. ARUM, 2. T. 



dracontium (green dragon.) airorubens (brown drag- 

 on.) triphyllum (Indian turnip, wild turnip, false wake- 

 robin, p. & g. M. .) sub -caulescent : leaves ternate ; 

 leatets ovate acuminate : spadix club-form : spathe ovate 

 acuminate peduncled, with the lamina as long as the spa- 

 dix. virgin icum { poison arum.) 



32. ARUNDO, 4. 10. 



donax (reed grass.) phr-igftiites (marsh reed grass.) 

 conoides (compact reed grass.) epigejos. canadensis. 

 arenaria (sand reed grass), agrostoides. 



111. ASARUM, 11.23. 



canadense (white snake root, wild ginger, p. M. If.) 

 leaves broad-kidney-form in pairs : calyx woolly deeply 

 S-parted, divisions sub-lanceolate reflected. Root aro- 

 matic, vtrginicum* 



195. ASCLEPIAS, 30. 47. 



syriaca (common milkweed, w-p. Ju. 24.) stem very 

 simple : leaves lanceolate-oblong gradually acute, downy 

 beneath : umbels subnodding, downy. 3 to 5 feet high 5 



