ADDENDA. 



Page 42. After V. (Vesicaria) Shortii, acid, 



2 V. Lescurii Gray. Pubescent; stems many, ascending G -10'; Ivs. ojlor.g, cl&ap- 

 ing, with a sagittate base ; flowers yellow, in lengthening terminal racemes ; siliclt 

 roundish, hispid, twice longer than its style; seeds 1 4 in each cell. Meadows, 

 Tenn. (Mr. Hamlin.) 



Page Go. After S. (Sterculia) platanifolia, add, 



2. MAHERNIA VERTICILLATA. A shrubby perennial from S. Africa, 

 cultivated in conservatories. It has slender, vine-like branches, small pinnatifid leaves 

 and stipules forming verticils. The flowers are email, yellow, bell-form, very sweet- 

 scented, with 5 petals, stamens, and styles. 



Page 68. After O. (Oxalis) versicolor, add, 



7 O. ceriiua. Leaflets 3, obcordate ; scapes bearing umbels of many large, yellow, 

 drooping flowers ; styles very short. S. Afr. 



Page 69. After T. (Tropteolum) perigrinum, add, 



5 T. (CIIYMOCARPUS) PENTEPIIYLLUS. Climbing high ; 1 vs. digitate, of 5 small 1ft*. ; 

 fls. curious, green and red, the spur 1' long ; sepals valvate ; petals 2, small ; carpels 

 3 round berries. From Buenos Ayres. 



Page 74. After A. (Acer) macro phyllum, add, 



9 A, PLATANOIDES. Norway Maple. Tree 40 50f; leaves bright green both sides, &a 

 broad as long, 5-lobed, lobes toothed and short-acuminate; corymbs nearly erect; 

 fruit smooth, 2' long, wings very diverging. 



Page 106. After G. (Geum) album, add, 



ft. luteutti) a variety with yellow flowers, rarely occurs in Pennsylvania. 



Page 111. After C. (Crattegus) spatulata, insert, 



9a C. Pyracantlia Pers. Shrub lOf, thorny; lv?. evergreen, lance-ovate or oblong, 

 crenulate-serrate, smooth and shining. Near Philadelphia, and southward. 



Page 146. After D. (Diervilla) sessilifolia, add, 



4 D. JAP6NICA, )3. ROSEA. Wiegelct. Shrub from Japan, 4 Gf, with straight branches; 

 Ivs. oblor;g-ovate, acuminate, large ; flowers funnelform, rose-colored, 1' broad, cover- 

 ing the plant in Spring ; ovaries and pods linear. Common in cultivation. 



Page 150. After Bouvardia, add, 



11. GARDENIA FLORIDA. Cape Jessamine. From China. Much 

 cultivated South. Shrubby evergreen, 2 4f. Lvs. elliptical, acute both ways, very smooth. 

 Flowers white, corolla 5-lobed or often many-lobed and double, ealverform, 2' broad. 



On page 175, after E. (Echinacea) atrorubens, add, 



4 E. Porter! (Gray). Leaves lanceolate to lance-linear, remotely toothed, the highest 

 entire ; heads corymbed, 1' broad ; scales about 9, lance-linear ; rays 6 8, ovate-lan- 

 ceolate, yellow ; chafl' spinescenl. Stone Mountain, Ga. (Prof. Porter). Lias the habit 

 of Rudbeckia, but its chaff is plainly that of Echina^ea. 



