KOSACE.li. 61 



Petals 0. Stamens 1— lU. Pistils 1 or 2 ; ovary free from the calyx ; 

 style terminal ; stigma capitate, multifid ; ovule 1, suspended. Achene 

 enclosed in the hardened calyx-tube. 



1. A. trillda, Ruiz & Pavon, Fl. Peruv. i. 67 t. 104 (1798). Stems 1 ft. 

 high, leafy mostly at the creeping and woody base ; herbage silky-villous : 

 leaflets 9—18, oblong-ovate, 3—5 lines long, pinnately cleft into 3 — 7 

 segments : 11. small, greenish purple in an interrupted spike ; filaments 

 exserted : fr. ovate, 2 lines long, 8 — 4-angled ; angles with 2 — 4 stout 

 prickles, the intervals with shorter ones. — Grassy summits or northward 

 slopes of the hills along the sea Coast ; common at the Presidio and else- 

 where near San Francisco ; also Chilian. 



12. AGIRIMOXIA, Branfeh (Agrimony). Tall perennials with odd- 

 pinnate leaves and long slender terminal racemes of small yellow flowers. 

 Calyx-tube urceolate ; throat encircled by a border of hooked prickles ; 

 limb 5-lobeI, at length connivent. Petals 5. Stamens 5—15, in 1 row. 

 Pistils 2, distinct, free from the calyx ; styles terminal ; stigma dilated, 

 2-lobed ; ovule pendulous. Achenes 1 or 2, enclosed in the bur-like per- 

 sistent calyx. 



1. A. Eupatoria, Linn. Sp. PI. i. 448 (1753). Hirsute or glabrate, 

 2 — 4 ft. high, sparingly branched above : leaflets 5—7, usually 2-8 in. 

 long with very small ones intervening, oblong-obovate, coarsely toothed, 

 acute at each end ; stipules large, semicordate, toothed or lobed : calyx 

 in fruit j>4^ — }^ in. long, the tube 10-sulcate above : achene 1, subglobose, 

 1 line thick. — Apparently widely disseminated in California, but seldom 

 seen ; common on the Atlantic slope and in Europe. 



13. GEUM, Gesner. Perennials with mostly radical lyrate or pinnate 

 leaves, adnate stipules and large solitary or corymbose flowers. Calyx 

 persistent, concave, the Upper part of the tiibe bearing 5 bracteoles 

 alternately with the valvate segments of the limb. Petals 5. Stamens ao . 

 Pistils GO , on a conical or clavate receptacle ; style terminal, straight or 

 geniculate ; ovule 1, ascending. Achenes compressed, caudate with the 

 persistent elongated naked or plumose styles. Seed erect. 



* Styles jointed near the middle, the upper part deciduous, the lower naked 



and hooked ; calyx-lobes rejlexed. — Geum proper. 



1. G. niacrophyllum, Willd. Enum. i. 557 (1809). Hispid, stoutish, 

 1 ft. high : radical leaves lyrately and interruptedly pinnate, the terminal 

 leaflet very large (8—5 in. broad), somewhat 3-lobed, subcordate at base : 

 fl. scattered, yellow, % in. broad : bractlets of calyx small : achenes 

 hispid.— In the Sierra Nevada, Bolander, Lemmon, and in Humboldt Co., 

 Chesnut & Drew, but more common far northward. 



* * Styles straight, tvholly persistent, in age elongated and plumose ; calyx- 



lobes erect' — Genus Sieversia, Willd. 



