WOOTOJST AND STANDLEY FLORA OF NEW MEXICO. 477 



Oil tubes solitary in the intervals be- 

 tween the ribs. 

 Stylopodium flat or -wanting. 



Flowers white; an annual 4. Apium (p. 478). 



Flowers yellow; perennials. 



Ribsequal, broad, corky. 11. Oreoxis (p. 480). 



Ribs filiform 8. Aletes (p. 479). 



Stylopodium conical. 



Leaflets broad, large 6. Cicuta (p. 479). 



Leaflets (at least the upper) 



linear to filiform. 



Involucres wanting. 



Flowers white 22. Coriandrum (p. 484). 



Flowers yellow 24. Foeniculum (p. 485). 



Involucres present. 



Fruit smooth (ribs 

 filiform) ; 

 leaves with 



few leaflets. . . 7. Carum (p. 479). 

 Fruit tuberculate or 

 bristly; leaves 

 finely dis- 

 sected 5. Spermolepis (p. 478). 



1. SANICULA L. Self-heal. 



Smooth perennial with almost naked or sparsely leafy stems and palmately cleft 

 leaves with pinnatifid or incised lobes; involucres present; flowers greenish yellow, in 

 irregularly compound few-rayed umbels; calyx teeth somewhat foliaceous, persistent; 

 fruit subglobose, densely covered with hooked bristles. 



1. Sanicula marilandica L. Sp. PI. 235. 1753. 

 Type locality: "Habitat in Marilandia, Virginia." 

 Range: New England and Nebraska to New Mexico and Alabama. 

 New Mexico: Gallinas Planting Station (Bartlett); Brazos Canyon (Standhy A 



Bollman). Damp woods, in the Transition Zone. 



2. ERYNGIUM L. 



Coarse glabrous perennials 30 cm. high or more, with rigid, coriaceous, sometimes 

 spinulose leaves, and small flowers in involucrat*' heads; sepals prominent, rigid, 

 persistent; unit ovoid, laterally flattened, scaly <>r tuberculate; ribs obsohtr; stylo- 

 podium wanting; oil tubes mostly 5; seed lace plane. 



ki.v TO Tin: BPECn a. 



Leaves pectinate-dentate <>r pinnatifid, the lobes spinose- 



tipped, not parallel-veined I. A', wrightn. 



longate-linear, mostly entire, parallel-veined 2. E. tparganophyllum. 



1. Eryngium wrightii A. Cray, PI. Wright. 1: 78. L852. 

 Typb locality: "Bed of the Limpia or Wild Rose Creek," Texas. 

 Ranoi . v.. tern Texas to southern Arizona 

 Xkw Mi inco: Animas Valley; aear White Water. 



