MEXICAN PLANTS 
collected Aug.-Sept. 1928 
by 
I. M. Johnston 
Texas and Coahuila 
Texas 
7000 Cryptantha oblata (Jones) Payson 
7001 Hellotropium Greggii Torr. 
7002 Cryptantha alblda (HBK) Johnston 
7003 Cryptantha oblata (Jones) Payson 
7004 Coldenia canescens DC. 
7005 Coldenia mexieana Wats. 
Piedras Negras — Monclova 
Texas & Coahuila 
7006 Castela texana (T & G) Pose 
7007 Eupatoriuia Greggii Gray 
7008 Eyssodia Berlandierl (DC) Blake. 
7009 Psilostrophe gnaphalodes DC. 
7010 Sporobolus Srightii Munro Chase 
7011 ColwVaelina nudiflora L.f 
7012 Cuscuta 
7013 Roulinia unifaria Bngelm.? 
7014 Celtis pallida Torr. 
7015 Condalia viridis nsp. TYPE 
7016 Schaefferia cuneifolia Gray 
7017 Trioaia texana Wats. Chase 
7018 Chloris latisquamea Nash unicate det. Chase 
7019 Dalea lasianthera Gray 
7020 Desnanthus depressus HBS 
7021 Ruellia nudiflora var. occidentalis (Gray) Leonard 
7022 Calyptocarpus vialis Less. —Blake 
7023 Cordia podocephala Torr. 
7024 Zexmenia hispida HBK. 
7025 Lithospermum matamorense DC. 
7028 Rivina humllis L. 
7027 Salvia bellotaeflora Benth. 
7028 Euphorbia acuta Engelm. 
7029 Dyssodia adcropoides (DC) Loesn. 
7030 Verbesina 
7031 Thelosperma 
7032 Dalea fruteacens Gray, var. 
7033 Calliandra eriophylla Benth. 
7034 Krameria Gray! Rose & Painter 
7035 Heliotropium angustlfolium Torr. 
7036 Ipomoea Lindheimeri Gray. 
