82 



PLANT^ TTRIGHTIAN^ 



V 



herb. Ilook.), with the flowering branches and the pedicels elongated and filiform, 

 is surely the same as Niittairs Houstonia tenuifolia. 

 241. Hedyotis (Houstonia) humifusa, Gray, Pl Lindh. 2. p. 216. Sandy soil 



near Austin, Texas: also west of the Pass 



white 



of the Limpia ; Aiig. 



Flow 



COMPOSIT^. 



242, 243. Vernonia Jam 



Torr. 



Gray, Fl. 2. p. 58. Bottom of the San 



Pcdro River ; also beyond the Pecos, and on the Limpia ; Aug. — Under these 

 numbers are distributed several forms of one species, of which those with the larger 

 and more turbinate heads agree well with V. Jamesii (although the leaves are often 

 somewhat serrulate), whilc those with smaller heads approach V. fasciculat 



The 



ymb is simple and small, and the stems only from ten to eighteen inches high 

 It is rightly placed between V. fasciculata and V. anffustifolia * 



Pectis (Pectidopsis) angustifolia, Torr 



subaristata: pappo 



fl 



ibus 



Gray, Pl. Fendl p. 61; var. 



fas tig 



Au"" 



1-2 



Gray, Pl. Fendl p. 62. Valley between the Pe 



of the pappus, which are almost always single in these 



Pectis 

 and the Limpia ; 



foimd in only one or two of the exterior flo^yers of each capitulum, and in many 



they are altogethex 



t) 



that De CandoU 



g 



Pecti. 



untenable, but that my Pectis fastigiata can be nothing else than a more 



or less aristate variety of P. angustifol 



The whole of Pectis (meaning thereby 



'^^:^:i^^^'^ ^^-f /,-f ^" -ision, fronr ad^uat 



ot tlie characters used as spccific 



be found that 



pecially the number of awns or pale«, and the diiFei 



between the pappus of 



bama specimens. 



Misc. Bot. 5. p. 13. t. 4. fg 



Noveboracensis -— ^-. --ouna, Kugel) appeurs to be only the ordinary 



^;mo„ ;. ,i,„ v._. , , . P'^'*^'^^^»^^ receptacle. Ihe subioined character Is rlrawn fr^rv. ih^ .r.^. 



cimen in the Hookerian herbarium : 



The subjoined character is drawn from the spe- 



BOLANOSA, Nov 



Capltulum rnultiflorum, homosamum ffinuiliflnmm ? T i 

 squamis oblongo-lanceola is membranTcoTs nn • ^""^^^ "^"^ hemispha.rlcum, extus laxe lanatum ; 



mls disco sub.qualibus. Rerptculum In''"^ ''"f "'^''^"''^ ^P"^?^^^'^) inappendiculatis, inti- 

 duplicatis, singu\s florem frSr 'cZZZ ' """^ P^l--nvol. squam. referentibus'con. 

 Vernoniacearum. Achenia turbin aT.rfceo L^^^^^ "T"f " ^'""''^'^ ' ^ ^^^^^^' ^^^^ ^^^ 



mcllatis plurimis lineari-lanceolatis ovario Z 1 ^^"' ^^^"'' "^^'^"^' ^^^^"°^ ^ P^I^°^'« «q"^' 



cmssatis pluriserialibus coroTa paur tretZ: ^" ' "'^ arist.formibus compIanaL sursum^n- 



paullo breyioribus, utrisque crebre denticulatis. 



lanata; caule (seu ramo) erecto apice canltnl. n Tl- "^'''^ ^enticulatis. - Herba floccoso- 



liis alternis o^L-oblongis utrinqu a u^ ut ' T K ^^'^ '• '""'^"^ -rymboso-congesta gerente ; fo- 

 dense cano-lanatis. ^ ^ '" subsess.hbus pennmerviis integris supra mox glabratis ? subtus 



B. COULTEBI. 



a. uouLTEBi. _ Bolanos, Northern Mexico Cn, h n-o- 



setis seu paleis rigidis incrassatis, ab Heterocor t,""" ,' ^'''"°"^^ receptaculo paleaceo, pappi 



«leUato, etc. ' "^^^^^^«'«a squamis mvolucn haud nervatis, pappo externo squa- 



I 



