}\)2 CONTUIIU'TIONS I'UoM TIIK NATIONAL HKWHAUII'Vf. 



I. Polytaenia nnttallii DC Coll. Mriii. 5: .M. |.l. !:;. Is-JK. Vu.. ;.7. 



IMiiiits ti to It dm. Iiiuh, iiio>lly ^'l:il)ron<^ t'Xccpt iln' piilM'scfiil pcdi 

 fcls and iii\ oliiccis: leaf scyincnts ciiiH'atc and incised: up|M'r Iraxc- 

 opposite and ;'■ clcl't ; nndiel (J lo 1l' rayed: ia\> alxail •_'."• em. lone-, 

 pedicels -J to 4 mill, lony: fruit ti to l<> mm. lonu-: dorsal and interme 

 diate rihs ohsojete and oil t iiltes siqierlicially indistinct: lateral winL'- 

 very thick. Iea\ in*,'' the hody more or less depressed. 



Type locality. " territoire d( IWrUansa:" eollecled l»y .Xidhill in 

 l.s-j:>: tyjie in II"rl». DC. duplicate in Herl). I'liilad. .\ca<l. 



Dry soil, t'rom southern Michiean and Wisc<)n.'«iin to .\lal»ama ami 

 lexas. 



Spi'ciiiii'iiM 1 .1(1 mi 111(1: 



Wisconsin: Osliknsli, Kdliriiniii. 



Illinois: Alliens, //<///, .liiiie, I, S(iS; Marion Coinily. /V/fx/i, .hnn' 7, isTll. 



Tknnksskk: Near Xiisliville, (,'(illiii</( r. 



Missoriii: A llcntoM, /,<//( ////((ii, Aii^Mist, ISSO; Desolo. //k.vm , .linie, I.ss7; Slianiimi 



Coiintv, /.'('>//. .1 in ic •_', Is'.iO; I'latrlc Rock, Hash, l.Vt, .lime !.••_'. I Sli7. 

 JMiiw 'i'i:i{iinoi{i : Miiscii<_rcc, rio/i /«<//, .Vpril L'.">, ISiil lin (lnwer). 

 (iKLAiioMx: rarailise, U'-m/'/A, .'ime l/L'. IslC!. 



Ti'.XAs: Neai' llocUlcy, 'I'lninur, Si'iiteinher, ISIKI; ('ollcj.'e Staliuii, /><(/<//, .liinr 



10, isitl. 



Several oilier Texan sliects were exainined, lail as tlie plants an' only in (lowtr h 



is inipossihle to (U'terniiMc wlietlier they aif tlie species or its \ariety. Tlie spei i- 



ineiis arc as follows: l'"ort ( 'liadlioiiriie ( .S'//'/// in 1S.")(>); lloiislon [ /lall '2'u \n ls7-i; 



I lillcspie Comity {.la-nni l.'iSi; Houston ( /i''/.v« in 1S!H(). 



Polytaenia nuttallii texana C i^i H.. \ar. nov. 



Kniit more commonly obovtite. with much thinner wines (the hody 

 not at all depressed), lilil'orm <loi-sal and intermediate ril»s. and distiiK I 

 iind tiroiider oil tubes. 



Tyjie locality, netir Industry. r<'\. : collected hy \Viir::li>ir \\\ \s'X>\ 

 tyjie ill r. S. Niit. Jlerl). 



Southern Texas. 



SjK ciiiiciix I'.rdiiiliK (f : 



Tk\ as: San Antonio, Ifanin}, in ISS'J; Kerrville, Kerr f'ounty, /A//*/- Kilii), .Iiinc 

 1'."), l.S!i4; type speciineiiH as cited nnilcr tyjie locality. 



56. OXYPOLIS Kill'. Neoo-en. 2. l.SL>r.. 



Ticdcmdiiiild ]>('. Coll. Meiii. 5: ."il. isi'!). 

 Anhniioni UC. Coll. :\Iein. 5: '>•_'. ISL't). 



('iilyx teeth exident. Fruit llatteiied laterally, ovtiti' to ohovaic. 

 ^lahrous. (arjxd with dorsal and intei-niediato ribs tilit'orni; liiter;i! 

 wiiij;'s clo.s(dy contie-uou.s to those of tlu^ other ciii'pcd and lu'rved dei- 

 sally at the inner margin (giving the aiijiearance of ;") tiliform ril»s on 

 the hack of eticli carpel): strengthening c(dls beneath th(> dorsal i"i''S 

 and nerves of the lateral wings. Stylojxidiur.i thick, short eoniciil. 

 Oil tubes .solitary in the intervals, ii to t> on the conimi.'s.sural siiic. 

 Seed fact' plane. 



