60 ft O S A C E iE, 



9. ADV^OSTOMA.^ Hooker & ArnoU (GnAMiso). Unarmed evergteen 

 shrubs with rigid linear entire sessile fascicled stipulate leaves, and 

 small white tiowers in closely panicled terminal racemes. Calyx obconical, 

 5-toothed, 10-striate, the orifice bearing 5 oblong glands. Petals 5, 

 orbicular. Stamens 10 — 15, inserted in bundles alternate with the petals. 

 Pistil 1, simple ; style laterally inserted and flexuous toward the base ; 

 ovary 1-celled, 1- or 2-ovuled, becoming an achene covered by the 

 hardened i^ersistent calyx-tube. 



1. A. fasciculatum, H. & A, Bot. Beech, 139 (1840). Shrub 2 20 ft- 

 high, with virgate branches covered with leaf -fascicles : leaves linear- 

 subulate, 2 — 5 lines long, pungently acute, glabrous, often resinoTis ; 

 stipules small, acute : fl. crowded, sessile ; calyx 1 line long, bracted at 

 base, the teeth much shorter than the small petals : ovary obliquely 

 truncate. — One of the commonest and the most characteristic bushes of 

 the summits and elevated slopes of the Coast Range from Lake Co- 

 southward ; also in the Sierra Nevada, but less common there. June. 



10. SANGlTISORBA, Fuchs (Buknet). Herbs with unequally pinnate 

 leaves, coarsely toothed leaflets, foliaceous adnate stipules, and small 

 bibracteolate polygamous or dioecious flowers in crowded spikes on naked 

 peduncles. Calyx-tube turbinate, contracted at the throat, becoming 

 3 — 4-angled or winged and persistent ; limb 4-parted, imbricate in the 

 bud, deciduous. Petals 0. Stamens 2 — oo . Carpels 1 — 8, free from the 

 calyx ; style terminal, filiform ; stigma tufted ; ovule 1, suspended- 

 Achene membranaceous, closely invested by the hardened and angular 

 smooth or rugose calyx-tube. 



1. S. otticiualis, Linn. Sp. PI. i, 116 (1753) ; Brew. & Wats. Bot. Calif, 

 i. 186 (1876), under Poten'itm. Perennial, glabrous, 2—4 ft. high : leaflets 

 about 9, ovate or oblong, cordate at base, ^ — 2 in. long : fi. polygamous, 

 deep purple or red, in oblong spikes % — 1 in. long : fr. 1 line long. — 

 Beported from Mendocino Co., Bolander. An Old World plant, perhaps 

 not native with us, 



2. S. aiiuna, Nutt. in T. & G. Fl. i. 429 (1840), but m Hook. Fl. i. 198 

 (1883), under Poterium. Annual, branching, glabrous, 1—2 ft. high : 

 leaflets 9—18, oval, % i^^- long? deeply pinnatifid, segments linear : fl- 

 perfect, greenish, in ovoid or cylindrical spikes }^ — 1 in. long : stamens 

 2 or 4, short : fr. rugose between the 4 angles. — From Monterey and 

 Kern counties northward. 



11. ACJiNA, Mulh. Perennial herbs, or the stems somewhat woody 

 at the decumbent or creeping base. Leaves unequally pinnate ; leaflets 

 incised or pinnatifid. Flowers in terminal more or less spicate clusters. 

 Calyx-tube oblong, contracted at the throat, persistent, at length armed 

 with retrorsely barbed prickles ; limb 3— 7-parted, valvate, deciduous. 



