Buckwheat Family 117 



** Involucres 5-6-nerved, mostly sessile; perianth-lobes similar. 



*- Involucres capitate or fascicled. 



* Perennials with stout short woody caudex. 



2. E. latifoliuxn Smith. Caudex indurate, its branches few, 

 short, very leafy; scapes not fistulose, 2-5 dm. high; leaves ob- 

 long to ovate, 2.5-5 cm. long, often undulate and becoming gla- 

 brate above; bracts triangular; heads large and dense, 12-20 mm. 

 broad, solitary and terminal or few in a simple umbel; involucre 

 tomentose, 4 mm. long; flowers glabrous, light rose color, 3 mm. 

 long. 



Bluffs near Santa Monica. 



3. E. nudum Dougl. Caudex sparingly leafy ; scapes rather 

 slender, fistulose, 3-6 dm. high, sparingly branched above; 

 leaves broadly ovate or oblong, obtuse, 1-5 cm. long, on slender 

 petioles, undulate, densely tomentose beneath, becoming gla- 

 brate above ; involucres usually 3-6 in each cluster, glabrous or 

 nearly so, 4-6 mm. high ; flowers glabrous or somewhat villous, 

 2-3 mm. long, white or rose color. 



Occasional on Catalina Island and on the mainland east of our territory. 

 August-September. 



++++ Perennials, shrubby, leafy; leaves often fascicled; bracts foli- 

 aceous. 



4. E. cinereum Benth. Shrubby, 8-15 dm. high, in dense 

 clumps, hoary-tomentose throughout ; leaves orbicular to oblong, 

 12-18 mm. long, on very short petioles, obtuse, undulate, strongly 

 nerved ; peduncles elongated, sparingly dichotomously branched, 

 bearing few rather loose heads ; bracts short ; involucres 4 mm. 

 long; perianth very villous, rose-colored, 2-3 mm. long. 



Bluffs along the seashore at Santa Monica and San Pedro. 



5. E. parvifolium Smith. Shrubby, about 3 m. high, more 

 or less white-tomentose throughout; leaves broadly ovate to 

 oblong, 8-18 mm. long, acute, abruptly narrowed at base to the 

 very short petiole, revolute and undulate on the margins, becom- 

 ing glabrate above; lower bracts conspicuous, the upper smaller; 

 involucres tomentose, about 3 mm. long; perianth rose-colored, 

 glabrous, about 3 mm. long. 



Common on the sand-dunes along the seashore. 



6. E. fasciculatum Benth. (WILD BUCKWHEAT.) Shrubby, 

 5 dm. high or more, more or less tomentose ; leaves narrowly 



