1890.] BOTANICAL GAZETTE. 26 1 



1- 



collected by Mr. Brandegee in Lower California, at Todos 

 Santos, June 28, 1890. 



Arracacia Donnell-Smithii n. sp. Glabrous below, puberu- 



lent above, "15 to 18 dm, high: leaves (lower ones not seen) 

 with long sheathing petioles, 2 or 3-ternate then pinnate ; 

 pinnate segments with 5 to 11 leaflets which are narrowly 

 lanceolate, acuminate, sharply and finely serrate, 2,5 to 7.5 

 cm, long, lower surface puberulent to glabrate ; petioles with 

 a dense ring of soft hairs at base : peduncles 7.5 to 10 cm. 

 long: rays puberulent, about equal, 3.5 to 5 cm. long : 

 flowers w^hite, wuth small calyx-teeth : fruit abundant, on 

 pedicels 2 mm, long, ovate, glabrous, 6 mm. long, with small 

 conical stylopodium. (Plate xv.) — Top of Volcan de Agua, 

 Depart. Zacatepequez, Guatemala, April 1890, no. 2196. From 

 the locaHty, here is to be referred Arracacia sp. no. 12 of 

 Hemsley's h'st in Biol. Centr. Amer., specimens now in herb. 

 Kew collected by Salvin and Godman. Mr. Smith makes 

 the following note : '^No. 2196 is a plant occupying in 

 abundance the /one of Volcan de Agua from to,ooo to i t,ooo 

 feet, associated with another endemic and equally conspicu- 



ous plant, Lupinus flabellaris." 



Ottoa cenaxtiioides HBK. In a deep crater of Vol- 

 can de Agua, Depart. Zacatepequez, April 1890, altitude 

 12,000 feet, no. 2195. This species extends from S. Mexico 

 to Peru. No specimens of this plant are in the National or 

 Cohimbia College herbaria, and but a single one from Peru 

 in hei'b. Gra}-. A good figure is found in HBK. Nov. 

 Gen. et Sp. V, 423. 



Peucedanum ambtguum Nutt, The stems are sometimes 

 37.5 cm. high, and mostly frora small globose tubers covered 

 with minute rootlets ; in other cases the root elongated and 

 monihform ; in the largest plants simply a long slender root 

 The radical and lower leaves are simply ternate, with the 



leaflets 2.5 to 7.5 cm. long. 



Peucedanum leiocarpum Nutt. proves to be a very 



poisonous plant. 



Crawfordsville^ IncL^ and 

 Washin^ion^ D. C> 



■ J 



