SUXFLOWER FAMILY. 5'_'1 



i. B. uliginosa (Xutt.) Gray. Nin.- to 1-2 in. high, at length 

 lu<i-ely branched and diffuse, villous-tomentose when young, com- 

 monly glabrate; leaves linear-ligulate, laciniate-pinnatifid (especially 

 above the middle) or the upper sometimes entire, the larger 4 to 10 

 in. long, the undivided (or ligulate portion) often 4 lines broad and 

 conspicuously nerved; inyolucral bracts and oblong exserted ravs 10 

 to 13; awns 3 or 4. with about 6 short intervening palese, or pappus 

 if.metiines none. 



Low grounds, San Francisco Peninsula. Apr.-June. Perhaps but 

 a variety of B. tcnella. 



•5. B. carnosa Greene. -Stems about 9 in. high, simple or 

 branched from the base, slender and wiry, very sparsely clothed with 

 a fine deciduous wot>l: leaves somewhat succulent, all filiform and 

 entire; bracts of involucre fleshy, about 7, with a single strongly 

 carinate midrib; pappus of 4 or 5 ovate palese. each bearing a subulate 

 awn: achenes roughish. 



Suit marshes at VaUejo, <J-reene. Apr. 1-5. 1883. 



6. B. platycarpha Gray. Stems purplish and wiry, branching, 

 5 to 8 in. high; leaves narrowly linear, some pinnatilid into filiform 

 divisions; bracts of the involucre 6 or 7, manifestly 3-nerved at base, 

 the middle nerve at length carinately thickened; pappus-paleie bright 

 white. .3 to 7, slender-awned, the awn as long as the achene. 



Alkaline plains of the interior: Byron, etc. Apr. 



7. B, microglossa (DC) Greene. Terii' slender and but a few 

 in. High: leaves scarcely 1 line wide, entire; heads few-fiowered, very 

 narrowly cylindrical, the rays very short and inconspicuous and thus 

 apparently rayless; bracts of the involucre 3 or 4, narrowly oblong, 

 achenes fusiform-linear; pappus-pale* 2 to 4. attenuate-subulate. 



South Coast Kange valleys: 3It. Diablo; S;in Francisco Bay and 

 southward ti> Southern California. 



8. B. chrysostoma F. <t M. Stems slender, freely branching. 7 

 to 11 in. high; herbage hirsutulous; leaves narrowly linear, 1 line 

 wide or less, entire; heads 3 or 4 lines high; rays and bracts of the 

 broad involucre 7 to 12, or in depauperate plants often fewer; ligules 

 3 or 4 lines long; pappus none. 



Coast Kange hills and valleys. Apr.-May. 



9. B. gracilis (DC.) Gray. Slender, -5 to 7 in. high; leaves 

 narrowly linear, entire; bracts and rays 10 to 12. when depauperate 

 5 or 6; ligules 2 or 3 lines long; achenes linear-cuneate; pappus of 3 

 or 4 awns from small lanceolate paleai-. almost as long as the achene, 

 or the pappus m.me. 



Common in the Coast Kange hills. Apr.-Mav. 



10. B. hirsutula Greene. Often branching very freely, 3 to 4 in. 

 high, hirsute-pubescent; leaves broadly linear, often with saliently 

 projecting teeth, the lower connate, sheathing the stem; involucral 

 bracts obovoid. acutish; rays oblong; achenes compressed, scabrous 

 with short sharp points: pappus of 2 to 5 brownish awn-like bristles 



