4:3G COMPOSITAE. 



Open hills near the sea: 1 M . Lobos; Pt. Reyes, etc. May. Very similar in 

 appea ranee to B. niaritiina. 



10. B. macrantha Gray. Biennial with tuberous root, simple or Dearly 

 so, 7 to 18 in. high, the peduncles 4 to 8 in. long; leaves 2 to 6 in. long, 2 

 lines wide, more or less 3-nerved and obtuse, hispidly ciliate, at least toward 

 the base, entire; head about y>> in. high and 1 to 1% in. broad; involucre 

 of about 12 hirsute-pubescent thickish herbaceous bracts; rays 5 to 8 lines 

 long; pappus none or of 1 to 4 bristles. 



\long the coast from Marin Co. to Mendocino Co. May-June. Specimens 

 from Pt. Keyes, Davy, collected within the space of a few square feet show the 

 following variations as to the pappus: Plant no. 1. — Pappus none. Plant no. 

 2. — Pappus none save one flower with a single pappus-bristle. Plant no. 3. — 

 Pappus none, rudimentary (reduced to a minute scale) or with one good 

 bristle. Plant no. 4. — Pappus of 2 or 3 or 4 (mostly 4) bristles. Other 

 specimens show corresponding variations. 



39. MONOLOPIA DC. 



White-woolly annuals with alternate sessile entire or low-denticulate leaves 

 and large pedunclcd heads of golden yellow flowers. Involucre hemispherical, 

 its bracts united into a cup Avith broad or triangular teeth, or distinct to the 

 base. Receptacle conical, naked. Rays with 3 or 4-toothed ligules and bearing 

 at base and opposite the ligule an oblong or roundish denticulate appendage. 

 Lobes of disk-corollas somewhat hairy. Achenes angular, black. Pappus none. 

 (Greek mono, single, and lopos, husk, on account of the bracts of the involucre 

 in one series.) 



Bracts united into a toothed cup 1. M. major. 



Bracts distinct to the base 2. M. gracilens. 



1. M. major DC. Stoutish, simple or branching, 8 to 20 in. high; tomen- 

 tum floccose and tardily deciduous; leaves mostly oblong-lanceolate, low- 

 denticulate, or commonly entire, 4 in. long or less; bracts of the involucre 

 united into a broadly campanulate cup (6 to 7 lines broad) with triangular 

 teeth ; rays 3 or 6 to 10 lines long. 



Petaluma and the lower Sacramento Valley, and southward through the 

 South Coast Ranges and the San Joaquin Valley to Southern California. 



2. M. gracilens Gray. Slender, paniculately branched, 10 to 15 in. high; 

 leaves narrowly oblong to linear-lanceolate, low-denticulate or entire; involucre 

 3 or 4 lines broad, its bracts distinct to the base; rays 2 or 3 lines long; 

 achenes loss than 1 line long. 



Santa Cruz Mts. June. 



40. ERIOPHYLLUM Lag. 

 Animal or perennial herbs or suffruticose plants. Eerbage white-woolly, 



deciduous or (lorrose. Leaves alternate, divided or incised. Involucre oblong to 



hemispherical, its bracts distinctly rigid and permanently erect. Receptacle 

 lint or convex, bays 4 to 13 or 15, broad. Tube of disk-corolla commonly 



glandular and hairy. Achenes liuenr or cuneate -linen r. Pappus of firm point- 

 less paleae. (Greek erion, wool, and phullon, leaf, the herbage woolly.) 



Suffruticose; beads small except m>. 3. 



Heads in close terminal clusters; involucres obovoid to oblong. 



Rays 6 to 8 1. E. staechadifolium. 



Rays 4 or 5 -• /-• confertffiorum. 



Iliads peduncled in a loose corymb; involucres campanulate-hemispherical ; rays 6 



t<> 8 3. E. jepsonii, 



■ierbaceous ; heads larger, scattered on rather long peduncles; involucres hemispherical. 





