6 POLYGONACEAE 



lower bracts similar to the leaves, the floral ones acicular ; involucres axillary and in small ter- 

 minal clusters, the tube 2 mm. long, 6-ribbed, pubescent to nearly glabrous ; teeth spreading and 

 their tips curved or uncinate, the 3 outer slightly exceeding the tube, the inner 3 scarcely as long ; 

 calyx yellow rarely white, 1 . 5-2 mm. long, partly exserted, the lobes oblong, much shorter than 

 the tube, scantily appressed-puberulent. 



Sandy or gravelly mesas and washes, Upper and Lower Sonoran Zones; cismontane southern California from 

 the interior valleys of Los Angeles and San Bernardino Counties to coastal San Diego County and adjacent Lower 

 California. Type locality : San Diego, California. April-June. 



5. Chorizanthe cuspidata S. Wats. 

 San Francisco Chorizanthe or Spine-flower. Fig. 1309. 



Chorizanthe cuspidata S. Wats. Proc. Amer. Acad. 17: 379. 1882. 

 Chorizanthe pungens var. cuspidata Parry, Proc. Davenp. Acad. 4: 60. 1884. 



Prostrate or decumbent annuals, the branches 10-25 cm. long, villous. Leaves basal, oblance- 

 olate, 2-3.5 cm. long, long-petioled ; bracts opposite, the lower foliaceous, similar to the basal 

 leaves, the uppermost acicular ; involucres in head-like clusters, campanulate, more or less urce- 

 olate in age, 2 mm. high, short villous-pubescent, 6-toothed, the teeth divergent, uncinate, the 

 alternating larger, membranous margin wanting or obscure; calyx partly exserted, outer lobes 

 oblong, half as long as the tube, inner narrower, all entire and cuspidate at apex ; stamens 9. 



Sandy soils mainly near the coast; Sonoma County to Santa Cruz County, California. Type locality: San 

 Francisco, California. May-July. 



Chorizanthe cuspidata var. marginata Goodman, Ann. Mo. Bot. Gard. 21 : 40. 1934. Similar to the 

 typical species in general habit, but plants larger and stems more ascending^ and the mvolucral teeth with an 

 evident membranous margin, thereby simulating Chorizanthe pungens. San Francisco and San Mateo Counties, 

 California. 



6. Chorizanthe villosa Eastw. 

 Bodega Chorizanthe or Spine-flower. Fig. 1310. 



Chorizanthe villosa Eastw. Bull. Torrey Club 30: 485. 1903. 



Stems prostrate or decumbent, branched from the base, 1-4 dm. long, canescent-villous. Leaves 

 basal, 3-5 cm. long, oblanceolate, long-petioled, villous; bracts opposite, all but the uppermost 

 foliaceous and similar to the basal leaves, uppermost reduced and spine-tipped ; involucres in 

 scattered cymose clusters, the tube 3-angled, 2.5 mm. long, densely villous with ascending hairs, 

 6-toothed, the teeth divergent, straight not uncinate, yellowish, without marginal membrane; 

 calyx with only apex exserted, 3 mm. long ; lobes oblong, obtuse, mucronate, villous-pubescent ; 

 stamens 9. 



Sandy soil along the coast, Humid Transition Zone; Sonoma and Marin Counties, California. Type locality: 

 Bodega Point, Sonoma County, California. May-July. 



7. Chorizanthe staticoides Benth. 

 Statice Chorizanthe, Turkish Rugging. Fig. 1311. 



Chorizanthe staticoides Benth. Trans Linn. Soc. 17: 418. 1836. 

 Chorizanthe discolor Nutt. Journ. Acad. Phila. II. 1: 167. 1848. 



Stems mostly simple below and erect, diffusely branched above, 10-30 cm. high, usually red- 

 dish purple, appressed-pubescent with curved hairs. Leaves basal, 2-6 cm. long, spatulate- 

 oblanceolate, slender-petioled, rounded or emarginate at apex, tomentose beneath, sparsely ap- 

 pressed-pubescent above; bracts all acicular or those of the first node rarely foliaceous; inflo- 

 rescence a compound more or less diffusely branched flat-topped cyme; involucres numerous, 

 cylindric or cylindric-urceolate, 3.5-4 mm. long or those in the lower forks longer, appressed- 

 pubescent or somewhat tomentose, 6-toothed, 3 outer much larger than the inner, spreading, unci- 

 nate; calyx 4-5 mm. long, partly exserted, rose-colored, pubescent, the lobes narrowly oblong, 

 obtuse and entire. 



Sandy or gravelly slopes, mainly Upper Sonoran Zone; Monterey and Kern Counties to cismontane southern 

 California as far south as Orange County. Type locality : California (Douglas). April-June. 



Chorizanthe staticoides var. latiloba Goodman, Ann. Mo. Bot. Gard. 21 : 57. 1934. Inhabits the desert 

 slopes of the San Gabriel Mountains, southern California, and is characterized by the obovate, truncate calyx-lobes. 



Chorizanthe chrysacantha Goodman, Ann. Mo. Bot. Gard. 21 : 58. 1934. Plants generally stouter; bracts 

 of the first node foliaceous; involucres 4-4.5 mm. long; calyx 5-5.5 mm. long. Probably only a robust coastal 

 form of C. staticoides. 



8. Chorizanthe leptotheca Goodman. 

 Ramona Chorizanthe or Spine-flower. Fig. 1312. 



Chorizanthe leptotheca Goodman, Ann. Mo. Bot. Gard. 21 : 61. 1934. 



Stems erect, the smaller simple below, the larger diffusely branched, 6-20 cm. high, sparsely 

 tomentulose, usually reddish. Leaves basal, 2-4 cm. long, the blades round-obovate to oblance- 

 olate, tomentose beneath, villous-pubescent above, abruptly narrowed to an elongated slender 

 petiole; lower bracts foliaceous, the upper acicular; involucres solitary in the lower axils, and 

 in small dense clusters above forming a loose cyme, slender, 4 mm. long, thinly tomentulose, 

 6-toothed, the teeth spreading and uncinate, 3 inner much smaller than the alternating outer ones ; 

 calyx well exserted, 4.5-5 mm. long, outer lobes linear, obtuse, the inner narrower and about 

 half as long ; stamens 9. 



Dry sandy or gravelly soils, Upper and Lower Sonoran Zones; interior valleys and foothills of cismontane 

 southern California, western Riverside County to northern Lower California. Type locality: dry hills between 

 Ramona and Ballena, San Diego County, California. May-July. 



