470 ADDITIONS AND CORRECTIONS TO VOL. I. 



§ 2. Nutlets broadli/ obovate and divenj'uuj equalli/, the ioukj or marrjin entire. 

 — (jluuvELiA, Uray. {Gruudia, A. DC.)' 



3. P. setosa, Cray. Ivather stout, 3 or 4 inches liigh, \\h\\\(\ ami minutely 

 stri^'ose-pubesccnt : calyx-lobes armed with 3 or 4 large divergent bristles: nutlets 

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

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



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



4. P. pusilla, Cray, 1. c. More slender and spreading, less hispiil : nutlets with 

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

 with a row of slender uncinate-tipiied bristles. — Uruvelia pusilla, A. DC. Prodr. 

 X. 119 ; Gay, Fh Chil. t. 52, tig. 3. 



Common about Yreka {Greene) ; Chili. 



11. HARPAGONELLA.' 



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

 Page 532. l\ DICHONDRA, Foist. 



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

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

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

 fruit utricular and 1-seeded. 



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

 tributed. 



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

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

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

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

 exceeding the yellow corolla and eipialling the subglobosc pubescent carpels. — Gray, 

 Syn. Fl. ii. 208. 



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

 South America, Africa and Austialia. 



I''. IPOMCEA, Linn. Mouning Glory. 



Stigma globular or stigmatic lobes orbicular ; otherwise as Convolvulus. 



A large genus, of 300 spcx'ies or more, ehicdy of warm and tropical regions. Twenty-fivo 

 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 bet-n detected within or near the limits of California. 



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

 peduncles elongated, umbellately 1 - 5-flowered : sepals lanceolate, i 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'. 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. 21(3. 



Naturalized near San Francisco, Rallan. Native of Europe. 



