XJMBELLIFERM. 231 



5-gonal ; primary ridges rather prominent ; marginal quite contiguous; 

 vittae 00 ; carpophore simple or 2-fid. Seed concave at face. — Glabrous, 

 sometimes caespitose perennial herbs ; leaves pinnately decompound ; 

 segments pinnatifid ; umbels compound ; involucres ; bracts of 

 involucels setaceous generally few.^ (iV. America,^) 



65. Tauschia Schlchtl/ — Flowers^ subasepalous ; petals shortly 

 emarginate. Stylopods depressed. Fruit ovoid, compressed contrary 

 to septum and constricted at commissure ; carpels 5-gonal ; primary 

 ridges equally rather prominent sometimes thick; vittse in furrows 

 solitary ; carpophore simple. Face of seed concave ; margins invo- 

 lute. — Low glabrous perennial herbs ; leaves ** subradical " pinnate 

 or 2-pinnate ; segments dentate ; umbels compound ; involucral 

 bracts or few foliaceous-lobed ; bracteoles of involucels conformed 

 few. (Andean Mexican and Equadorean America.^) 



66. Erigenia Nutt.^ — Flowers ' subasepalous ; calyx very short 

 annular undulate. Petals oblong-lanceolate entire straight. Styles 

 elongately subulate, dilated externally at base to thick squamose 

 stylopods. Fruit broadly ovoid, sub-2-dymous, emarginate at base, 

 compressed contrary to septum ; mericarps subterete ; pericarp thin ; 

 primary ridges thin ; vittae oo ; carpophore not or scarcely distinct. 

 Seed transversely curved, broadly concave at face. — A low spreading 

 glabrous herb ; subterranean portion tuberous ; leaves 3 -nato -pinnate 

 decompound ; umbels compound small rather dense ; bracteoles of 

 involucels simple subfoliaceous.® (N. America.^) 



67. Oliveria Yent.^^ — Flowers polygamous ; ^^ sepals dentiform 

 very short setose. Petals subsessile ; point long induplicate adnate ; 

 costa rather prominent within ; margins produced upwards in lobes. 



* " A genus very near to Vicatia " (B. H.). ternate leaves ; inflorescence subcompound few- 



* Spec. 2, 3. PuRSH, ex Bot. Mag. t. 1742 flowered ; fruit ovoid surrounded .by rather thick 

 (Seseli). — Wai.t. Hep. ii. 4^27. margin of carpels; vittse obscure soL'tary in 



3 Linnoea, ix. 607 (not Presl). — Endl. Gen. furrows ; face of mericarps and seed concave 



n. 4512. — B. H. Gen. 882, n. 31. and surrounded by a suberose column thick 



-* " Yellow." in the middle, even at margins. 



5 Spec. 2. A. Gray, PI. Lindheim. 211. — ^ Type species E. bullosa Nutt. loc. cit.— 

 Walp. Rep. V.937; Ann. ii. 719. Torr. FL N. York, t. 39.— A. Gray, Man. (ed. 



6 Gen. Atmr. i. 187.— DC. Prodr. iv. 71 ; Mem. 5) 198.— Walp. Hep. ii. 384. 



27.— Endl. Gen. n. 4359.— B. H. Gen. 882, n. 31. i° Jard. Cels. t. 21.— Lag. Amoen. ii. 105.— 



7 '• White." DC. Prodr. iv. 234.— Exdl. Gen. n. 4519.— B. H. 



8 Only a sect, of this genus appears Orcgenia Gen. 890, n. bo.—Calliitroma Fenzl, Endl. Gen. 

 Unmrifolia (S. Wats. King's Rep. Bot. [1871] Suppl. iii. 82. 



120, t. 14), unknown to us, the subterranean " In the same umbellule generally male and 



tuberous part of which is crowned with 1, 2, fertile » intermixed. 



