1922] 



PAYSON — STUDY OF THELYPODIUM AND ITS IMMEDIATE ALLIES 279 



somewhat flattened at the base: pods horizontal-ascending, flat- 

 tened laterally, 3-4.5 cm. long; stipe 1-2 mm. long; style stout, 

 usually less than 1 mm. long, stigma small, entire. 



Distribution: southern California. Type: Greene, from 

 "mountains near Tehachapi." 



Specimens examined : 



California: Mojave Desert, Aug., 1881, Parry (Mo. Bot. Gard. 

 Herb.) ; Mojave Desert, May, 1882, Parish 1435 (Mo. Bot. Gard. 

 Herb.); Victor, San Bernardino County, June 25-27, 1888, E. 

 Palmer 225 (Mo. Bot. Gard. Herb.) ; Rancho Verde, Victorville, 

 San Bernardino County, June 25, 1915, Parish 10532 (Univ. 

 Calif. Herb.) ; Rabbit Springs, Mojave Desert, Aug., 1882, S. B. 

 & W. F. Parish 1485 (Univ. Calif. Herb.). 



14. T. lilacinum Greene, PI. Baker. 3: 9. 1901. 



Pachypodium integrij olium Hook. Hooker's London Jour. Bot 

 6 : 70. 1847, not Nutt. 



Thely podium integrij olium Torr. & Gray, Pac. Rail. Rept. 2: 

 126. 1855; Porter & Coulter, Syn. Fl. Colo. 9. 1S74; Coulter, 

 Manual Rocky Mountain Region, 21. 1885; Robinson in Gray, 



B95, in part; Nelson, First Rept. Fl. 

 Brown, 111. Fl. 2: 110. 1897, and ed. 



2: 169. 1913; Britton, Manual, 444. 1901; Rydb. Fl. Colo. 

 167. 1906; Nelson in Coulter & Nelson, Manual Cent. Rocky 

 Mountains, 209. 1909; Petersen, Fl. Nebraska, 60. 1912; Clem- 

 ents & Clements, Rocky Mountain Flowers, 28. 1914; Bergman, 

 Flora North Dakota, 193. 1918. 



Pleurophragma integrij olium Rydb. Bull. Torr. Bot. Club 34: 

 433. 1907, in part; Wooton & Standley, Contr. U. S. Nat. Herb. 



Syn. Fl. N. Am 



Wyo. 204. 1896; Britton <fe 



9 



19: 267. 1915; Rydb 



1917, in part. 



^ 



Biennial, glabrous throughout: stems erect, branched from 

 the base or simple, paniculately branched above, 3-24 dm. high 



radical leaves entire, oblanceolate, 4-12 cm. long, obtuse; cat 



leaves narrowly lanceolate to linear, reduced upwards, sessile by 

 a narrow base or slightly auriculate: sepals purple to white; 

 petals spatulate, 7-9 mm. long, purple, pale blue, lilac or nearly 

 white; anthers 2-3 mm. long; nectar glands low and rounded: 

 inflorescence at first corymbose, elongating when mature, fre- 

 quently rather lax; pedicels horizontal or ascending, slender,' 5-10 

 mm. long, not conspicuously flattened at the base: pods irregu- 

 larly torulose, arcuate-ascending, 1.5-3.5 cm. long; stipe usually 

 less than 1 mm. long; style about 1 mm. Ions:, stigma entire. 



