PINK FAMILY ^ 497 



1. H. cinerea DC. Tiny erect plants, 1 to 2i/, inches high, or sometimes 

 tormnig prostrate mats 3 to 14 inches broad, the branches bearing 2-ranked 

 l)ranehlets; herbage hispidulous; leaves ol)long-oblanfeolate U/o to 2i4 lines 

 long; tlowers in all the axils, even the lowest; calyx y, line 'long, verv'hispid 



San Joaqum region at the edge of the foothills on either side of the valley' 

 naturalized from southern Europe. May-June. 



Locs.-Wawona, Cojigdon in 1897; Oakdale, Jepson in 1S96; Esealon, Eastwood in 1905- 

 Stockton and Tracy, A. Brandcyee in 1907 '-•'^o , 



Mi.f rVl^f n'qfm "p'""'' ^?- ^'- ^^ ^"P"^" '"^ ^^^^^^' *>•!«' European; Jepson, Fl. W. 

 Siuin Co.', Gr.^'e ^""""-"^"'' '"'""" ^"'-'"''- P^"- 1= ^02 (1889), type loe. Bethany, San 



10. PENTACAENA Bartl. 

 Tufted perennials with subulate pungent leaves and silverv-hvaline stipules 

 Flowers sessde, clustered in the axils. Sepals 5, almost distinct," very unequal' 

 hooded, the 3 outer larger, and with a stout divergent terminal spine the 2 

 inner smaller and with a shorter spine. Petals minute, scale-like. Stamens 3 

 to o, mserted at the base of the sepals. Style very short, bifid. Utricle en- 

 closed HI the rigid persistent calyx.— Species 5, Pacific North America and 

 andme South America. (Greek pente, five, and akaina, a thorn, the five sepals 

 spine-tipped.) 



1. P. ramosissima 11. & A. Sand JIat. Stems prostrate, forming dense 

 mats o to IS inches broad, pubescent; leaves crowded on the stems 2 to 4 

 lines long, the stipules 1/2 or .sometimes nearly as long; calyx li/o to 2 lines 

 long; sepals hairy or woolly below the divergent spinose apex; utricfe apiculate 



On sand-dunes or in sandy soil along the entire California coast. In South- 

 ern California extending inland 25 miles. North to Washington south to 

 ^lexico. Chile. Apr.- May. 



Loes.-San Diego, G. TV Dunn; Delmar, Jepson 1614; Pala and Poway, ace. Parish; Ocean- 

 side, Parish 4439; Santa Rosa Island, P. M. Jones; Santa Cruz Island, T. Brandegee Arroyo 



o^""^" A„ "'"^ '^'' ^'^'^'^'^ ^"■0^''^' Jepson; San Francisco, C. F. Baker 2998; Humboldt Bar 



1 racy 3018. ■" 



Refs.— Pent.\caena e.^mosissima H. & A. in Hook. Bot. Misc. 3: 338 (1833) tvne from 

 Cliile; Jepson, FI W Mid. Cal. 172 (1901). P. polyencmoides Bartl. in Presl, Eel. Haenk. 2' 

 5, t. 49, fig. 1 (183o). 



11. PARONYCHIA L. Whitlow-wort. 



Prostrate tufted perennial, with scarious stipules and clustered axillary 

 flowers. Sepals 5, almost distinct, equal, linear or oblong, concave or cucul- 

 late under the apex, the very tip furnished with a .short bristle or cusp. Petals 

 filament-like, or minute teeth, or none. Stamens 5, inserted on the base of 

 the sepals. Ovary 1-ovuled. Style deeply 2-parted. Fruit a utricle enclosed 

 in the persistent calyx, at length bur.sting longitudinallv.— Species 40, all 

 continents except Australia. (Greek paronuchia, a Avhitlow or felon,' the 

 name applied to an herb used as a remedy.) 



1. P. franciscana Eastw. Stems 4 to 12 inches long,. tough, the internodes 

 very short ( only 1 to 2 lines long at base) ; leaves oblaneeolate, acute, cuspidate. 



2 to 4 lines long, much crowded on the branches and branehlets, especially to- 

 wards the ends; stipules hyaline; flowers 1 line long, obviouslv pediceled, 3 

 or 4 in the axils. 



Grassy hilltops, San Francisco and Bodega Port. Introduced from Chile 

 where it is native. Apr.-June. 



Refs.— P.ARONYCHIA PEANCISCANA Eastw. Bull. Torr. Club, 28: 288 (1901), type spms from 

 San Francisco and Bodega Port. P. chilensis Creeuo, West Am. Sei. 3- 156 ri8871 -ind Fl 

 Fr. 131 (1891), not DC; Jepson, Fl. W, Mid. Cal. 172 (1901). 



12. ACHYRONYCHIA T. & G. 



Glabrous plants with spatulatc^ leaves and large liyaline stipules. Leaves 



