TJMBELLIFER^. 231 



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

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

 sometimes csespitose perennial herbs ; leaves pinnately decompound ; 

 segments pinnatifid ; umbels compound ; involucres ; bracts of 

 involucels setaceous generally few.^ (A^. 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. {^AnAean 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 ; vittse 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 Vent.'" — Flowers polygamous ; " sepals dentiform 

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

 costa rather prominent within ; margins produced upwards in lobes. 



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



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



(Sesdi). — ^Walp. -B«p. ii. 427. margin of carpels; vittse obscure solitary in 



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



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



* " YeUow." in the middle, even at margins. 



' Spec. 2. A. Gray, PI. lAndheim. 211. — ' Type species JE. bullosa Nutt. loo. cit. — 



Walp. Bep. V. 937 ; Ann. ii. 719. Tour. Fl. N. York, t. 39.— A. Ghat, Man. (ed. 



« Gen. Amcr. i. ] 87.— DO. Prodr. iv. 71 ; Mim. 5) 198.— Walp. Rep. ii. 384. 



27.— Endl. (rSK. n. 4359.— B. H. ffen. 882, n. 31. ^<> Jard. Gels. t. il.—liA.a.Amcen. ii. 105. — 



7 " White." DC. Prodr. iv. 234.— EkDL. Gen. n. 4519.— B. H. 



* Only a sect, of this genus appears Orogenia Gen. 890, n. 55. — Callistroma Fenzl, Undl. Gen. 

 linearifolia (S. Wats. King's Rep. Sot. [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 oo intermixed. 



