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4. M. BiazLovit Gray. Pappus paleaceous; 
pales 5, flat and straight, passing into an awn 
more than twice the length of the palea.—Com- 
mon. Spring. 
5. M.ELEGANSGreene. Pappus paleaceous; 
pale deltoid, very short, with a slender awn 
twice their length.—Niles. Spring. 
6. M.apHanrocarPHa Gray. Pappus palea- 
ceous; paleaceous part nearly obsolete, aristate 
part long but setaceous, slender, and very 
fragile.—San Francisco. Spring. 
69. Malacothrix DC. 
Receptacle, flat, naked. Akenes truncate; 
pappus l-seriate, bristles scabrous, silvery, 
deciduous in a ring.—©. 
1. M. Cazirornica DC. Scapose; involucral 
bracts in more than 2 ranks; flowers yellow. 
Contra Costa. Spring. 
2. M. CLEvELANDI Gray. Branching; invo- 
lucral bracts in 2 ranks of equal length; be- 
sides the regular caducous pappus an external 
accessory pappus of 1 persistent bristle and a 
dentate crown; flowers yellow.— Contra Costa. 
Spring. 
3. M. optusa Benth. Branching; involucral 
bracts in two ‘ranks of unequal length; persis- 
tent bristles 0; flowers white.—Marin County. 
Spring. 
