(126 ) 
Family 4, RUBIACEZ, 
Leaves opposite or verticillate. If opposite, 
stipulate. 
1, Cephalanthus L. Borrton-zusu. 
Flowers capitate. Limb of the calyx 4-den- 
tate. Corolla tubular, slender, with 4-cleft 
limb. Stamens 4, inserted in the throat of the 
corolla. Style 1, exserted. Stigma capitate. 
Ovary 2-4 celled. Cells l-ovulate.— ». 
1. C. occrpentatis L. Flowers white; rare. 
Niles Station. Summer. 
2. Galium L. Bep-stRaw. CLEAVERS, 
Limb of the calyx entire, obsolete. Corolla 
4-3 cleft, rotate. Ovary 2-celled. Cells 1- 
ovulate. Styles 2, connate at base, capitate at 
apex. Fruit sometimes fleshy. Stems quad- 
rangular. Leaves verticillate. 
1. G. aparine L.—% _ Fruit a dicoccous 
schizocarp, granulate and setaceous; leaves 6-8 
in a whorl; stem retrorsely bristly; flowers 
white.—©. Common. Summer. 
2. G. BoREALE L.—¥%. Fruit a dicoccous 
schizocarp; leaves 4 in a whorl, 3-nerved, not 
cuspidate; flowers white.—2¢. Tamalpais. 
Summer. 
3. G. TRIFIDUM L.—%. Fruit a dicoccous 
schizocarp; leaves 4-6 in a whorl, 1-nerved, not 
cuspidate; flowers small, white.—2¢. Marin 
County. Summer. 
