222 UMBELLIFERAE 



9. Sanicula bipinnata Hook. & Arn. Poison Sanicle. Fig. 3478. 



Sanicula bipinnata Hook. & Arn. Bot. Beechey 347. 1838. 

 Sanicula pinnatifida Torr. Bot. Wilkes Exp. 314. 1874. 



Stems slender, erect, 1—6 dm. high, from a slender fusiform root. Leaves twice or thrice pin- 

 nate, the divisions not at all decurrent, ovate to oblong, incisely toothed ; flowers yellow ; fruit 

 2-3 mm. long, with strong tubercles tipped with short hooked bristles ; seed-face deeply sulcata. 



Open woods, Transition and Upper Sonoran Zones; California, from the North Coast Ranges and the Sierra 

 Nevada to the southern part of the state. Type locality: California, but exact locality not given. April-June. 



10. Sanicula saxatilis Greene. Rock or Diablo Sanicle. Fig. 3479. 



Sanicula saxatilis Greene, Erythea 1 : 6. 1893. 



Stems many, about 1-2 dm. long, spreading from the base, from a large globose or somewhat 



irregular tuber. Leaves ternate, then 1-2-pinnate, coarsely to finely dissected, the ultimate 



divisions acute ; flowering branches repeatedly dichotomous ; flowers salmon-colored ; sterile 



flowers on pedicels 3-6 mm. long; fruit 2.5-3 mm. long; strongly tuberculate, the upper tubercles 



bearing short, subulate bristles ; seed-face plane. 



A local species known only from the summits of the Diablo and Hamilton Ranges, central California. Type 

 locality: summit of Mount Diablo. May-June. 



11. Sanicula tuberosa Torr. Tuberous Sanicle. Fig. 3480. 



Sanicula tuberosa Torr. Pacif. R. Rep. 4: 91. 1857. 



Stems simple or branched near the base, 1-7.5 dm. high, from a globose tuber. Leaves 1-2- 

 ternate, then pinnate, the ultimate divisions small ; umbel 3-rayed ; bracts foliaceous ; bractlets 

 small, united; flowers yellow, the sterile long-pedicellate; fruit 1.5-2 mm. long, tuberculate and 

 not at all bristly ; seed-face plane to slightly concave. 



Open, gravelly or rocky slopes, Upper Sonoran and Transition Zones; Coast Ranges and Sierra Nevada, 

 southwestern Oregon to southern California. Type locality: Duffield's Ranch, Sierra Nevada, California. March- 

 July. 



5. APlASTRUM Nutt. in Torr. & Gray. Fl. N. Amer. 1 : 643. 1840. 



Slender glabrous branching annuals. Leaves finely dissected, with filiform or linear 

 segments. Umbels naked, unequally few-rayed. Sepals obsolete. Corolla white. Fruit 

 ellipsoid-cordate, with obscure or obsolete ribs, more or less papillate-roughened ; pericarp 

 thin. Stylopodium depressed; styles short. Oil-tubes solitary in the intervals and be- 

 neath the ribs, 2 on the commissural side. Seed-face narrowly concave or shallowly 

 sulcate. [Name Latin, meaning wild celery.] 



A monotypic Californian genus. 



1. Apiastrum angustifolium Nutt. Wild Celery. Fig. 3481. 



Helosciadium leptophyllum var. ? latifolixtm Hook. & Arn. Bot. Beechey 347. 1838. 

 Apiastrum angustifolium Nutt. in Torr. & Gray, Fl. N. Amer. 1 : 644. 1840. 



Plants very slender, 0.5—5 dm. high, usually much branched. Leaves 1-5 cm. long, ternately 

 dissected with linear-filiform to oblong divisions; umbels sessile; rays unequal, 1-5 cm. long; 

 pedicels 0-15 mm. long; fruit with a narrow commissure, cordate at base, 1-1.5 mm. long. 



Sandy soils, Upper Sonoran Zone; North Coast Ranges and the foothills of the Sierra Nevada to northern 

 Lower California. Type locality: San Diego, California. March-May. 



6. CAUCALIS L. Sp. PL 240. 1753. 



Mostly hispid annuals with pinnately dissected, decompound leaves and white flowers. 

 Sepals evident. Fruit ovoid or oblong, flattened laterally. Carpel with 5 filiform bristly 

 ribs and 4 prominent winged secondary ones, with barbed or hooked bristles. Stylopodium 

 thick, conical. Oil-tubes solitary under the secondary ribs, 2 on the commissural side. 

 Seed-face deeply sulcate. [The ancient classical name.] 



A genus of 5 . species, natives of Asia, southern Europe, northern Africa and North and Central America. 

 Type species, Caucalis microcarpa Hook. & Arn. 



1. Caucalis microcarpa Hook. & Arn. California Hedge-parsley. Fig. 3482. 



Caucalis microcarpa Hook. & Arn. Bot. Beechey 348. 1838. 

 Daucus brachiatits Torr. Pacif. R. Rep. 4: 93. 1857. 



Annual, more or less hispid, the stems slender, erect, 0.8-4 dm. high. Leaves pinnately de- 

 compound into small segments ; umbels unequally 1-9-rayed ; bracts foliaceous, pinnately decom- 

 pound ; rays slender, 1-8 cm. long ; pedicels very unequal ; fruit oblong, 3-7 mm. long, armed with 

 rows of hooked prickles. 



Sandy or rocky soils. Upper Sonoran Zone; eastern British Columbia to southern California, east to Idaho, 

 Utah, Arizona and Mexico. Type locality: California. April-June. 



