470 ADDITIONS AND CORRECTIONS TO VOL. I. 



2. Nutlets broadly obovate and diverging equally, the winy or margin entire. 

 GRUVELIA, Gray. (Gruvelia, A. DC.) 



3. P. set OS a, Gray. Eather stout, 3 or 4 inches high, hispid and minutely 

 strigose-pubescent : calyx-lobes armed with 3 or 4 large divergent bristles : nutlets 

 bordered by a broadish scarious wing, the face and margin beset with slender unci- 

 nate-tipped bristles. Proc. Amer. Acad. xii. 81, and Syn. Fl. ii. 187. 



In the Mohave Desert, Palmer, 1876, n. 379. 



4. P. pusilla, Gray, 1. c. More slender and spreading, less hispid : nutlets with 

 a prominent midnerve upon the smooth face, the very narrow thickish margin armed 

 with a row of slender uncinate-tipped bristles. Gruvelia pusilla, A. DC. Prodr. 

 x. 119 ; Gay, Fl. Chil. t. 52, fig. 3. 



Common about Yreka (Greene) ; Chili. 



11. HARPAGONELLA. 

 1 . H. Palmeri, Gray. Near Tucson, Arizona, Greene. 



Page 532. 1. DICHONDRA, Forst. 



Small prostrate creeping herbs, with round-cordate or reniform leaves, small soli- 

 tary axillary flowers, a deeply 5-lobed campanulate corolla, the ovary of 2 distinct 

 1 - 2-ovuled carpels and 2 filiform styles with capitate stigmas, and the carpels in 

 fruit utricular and 1 -seeded. 



A genus of perhaps 4 or 5 species of warm or tropical regions, the following very widely dis- 

 tributed. 



1. D. repens, Forst. Slender, widely creeping, green or greenish, with a minute 

 soft pubescence or sometimes silky : leaves orbicular-cordate or reniform with deep 

 sinus, 4 to 12 lines in diameter, on long petioles : flowers on peduncles shorter than 

 the petioles ; sepals obovate to spatulate, obtuse, 1 to 2 lines long in fruit, rather 

 exceeding the yellow corolla and equalling the subglobose pubescent carpels. Gray, 

 Syn. Fl. ii. 208. 



San Diego (Nuttall, Cleveland) ; Arizona and Sonora, and eastward to the Atlantic. Also in 

 South America, Africa and Australia. 



l b . IPOMCEA, Linn. MORNING GLORY. 

 Stigma globular or stigmatic lobes orbicular ; otherwise as Convolvulus. 



A large genus, of 300 species or more, chiefly of warm and tropical regions. Twenty- five 

 species are found in the Southern States and in the region bordering on Mexico, but the following 

 Mexican species is the only one that has been detected within or near the limits of California. 



1. I. purpurea, Lam. An annual climbing herb : leaves cordate, entire : 

 peduncles elongated, urnbellately 1 - 5-flowered : sepals lanceolate, ^ inch long, the 

 thickened pedicels twice longer ; corolla funnelform, about 2 inches long, variously 

 purple, blue, and white : stamens and style not exserted : stigma-lobes 3, and ovary 

 3-celled. Gray, Syn. Fl. ii. 209. 



San Diego (Cleveland) ; perhaps indigenous. The common Morning Glory, native of Mexico. 



Page 534. 1. CONVOLVULUS. 



6 a . C. arvensis, Linn. Perennial, the low stem procumbent or twining, nearly 

 glabrous : leaves oblong-sagittate or somewhat hastate, 1 or 2 inches long, basal 

 lobes short and acute : bracts a pair at the base of the pedicel, small, subulate : 

 corolla broadly short-funnelform, an inch long or less, white or pinkish : stigmas 

 filiform. Gray, Syn. Fl. ii. 216. 



Naturalized near San Francisco, Rattan. Native of Europe. 



