T 
Flouts of Nuevo Leon* Coahulla , Chihuahua and Sonora collected In 1939 
by Stephen S. White, determined at the Gray Herbarium Deo, 1939 
.,~. rnn J?Z £* rr * *'°b r *ston (All material deposited In the Dray Herb.) 
0 OMPOGXTAE 
1870 Lygodesmia aphylla DO, var. texana T.&G. ("I oho rl olds) 
9599 Stephnnomerla Thurberl Dray 
1385 Son ©bus oleraceus L. 
9734 Hieraelura Pendlert Sch.Blp, 
9711 Olrslum arlsonloum (Dray) Petrak (Thistles) 
2573 * 
1710 Olrslum exeelaius fHobins.) Petrak 
1997 * * 
1709 '"entaureo amerleane Nutt . 
1 0*T*T # H 
(Seneclolds) 
(Anthemldiold 
(Hellantholda) 
9750 Seneclo nilfollus Nutt. 
1477 Seneolo moot erey na Tats, 
2741 Oocnlla deeomonglto 0® y 
9703 Artemisia loud ovl cl ana Nutt. 
9^95 Achillea lonulosa Nutt. 
1396 ’"cllpto alba fL.) Hassk. 
2663 Zexmenia spi 
9781 Zexmenia ceanothl folia (Tllld.) 
2639 Zexmenia oodocephala Gray 
2600 * " M 
9920 Zexmenia brevl folia Dray 
1796 Zexmenia hisplda Gray 
9062 Viguiera brevi folia Greenra. 
1675 Viguiers stenoloba Blake 
1869 5 " 
1693 Verbeslna enoeltoides Blgnih. 
1991 " rt 
2921 H ** 
2‘ 7 13 Verbeslna loml folia Gray 
1467 Verb^aina ©oshuilensls fray 
2335 Verbeslnn striata Gray 
2683 Guardi ola platyphylla '”ray 
2598 Zinnia nrandl flora Nutt, 
26 oq zinnia multi flora L. 
2504 Sanvltolia Aberti Gray ‘ 
1728 8a ml tails Ocymoldes DO, 
2692 Traeoceros xlnnloldes HBK, 
1708 Hellonthus onnuus L, 
2232 " H 
2272 Hellanthus cilia rls DO, 
1707 Hatiblda columnaris (O&ms) Don 
1739 Pnrthenlu® Hysterophorus L, 
1411 * " 
1590 
1833 
2206 
1520 
17 66 
1583 
1504 
1624 
1589 
1814 
2788 
2642 
9412 
2734 
Sch.Blp. 
Gray 
Hook, 
» ti 
Perth ealum Inca mm HBK. 
folyotocarpus via 11 0 Less, 
Tetragon© these texana Tngeln. & 
Tyethla mexicona Tats. 
Scleroearpus uni serial is th.& 
r meltnannla pinna tl fide T.&G, 
Melomoodlum hlspldum Tm N. 
« * « 
Nelarapodlura leucanthum T.&G. 
Ndampodlura a opend loulo turn Tobins 
