KANSAS ACADEMY OF SCIENCE. • 59 



17th. — Linum rigidum, Gymnocladus Canadensis, Achillea millefolia, 

 Psoralea hypogea. 



18th. — Teucrium Canadense, Yucca angustifolia, 



19th — Aplopappus spinulosus, Verbena bracteosa. 



20th. — Oxybaphus angustifolius, Diplopappus ericoides. 



21st. — Houstonia tenuifolia. 



22d. — Asclepias speciosa, Glycyrrhiza lepidota. *> 



23d. — CEnothera sinuata, Mamillaria vivipara. 



24th. — CEnothera grandiflora, Brizopyrum spicatura. 



25th. — Schrankia uncinata, Apocynum hypericifolia, Mamillaria csespitosa. 



26th. — Symphoricarpus racemosus, Cornus paniculata. 



27th. — Rosa blanda, Thelesperma gracile. 



28th. — Plantago gnaphaloides, Lepachis columnaris. 



29th. — Monarda punctata, Helianthus rigidus, Apocynum androssemi- 

 folium. 



30th. — Solanum rostratum, Hordeum jubatum. 



31st. — Asclepias tuberosa aurea, Acerates longifolia, Helianthus rigidus. 



JUNE. 



1st. — Sisyrinchium anceps, Erigeron strigosum. 



2d. — Stipa juncea. 



3d. — Hosackia Purshiana. 



4th. — Iporaea leptophylla, Talinum teretifolium. 



5th. — Commelyna angustifolia. 



6th. — Cornus circinata, Koeleria cristata. 



7th. — Onosmodium Virginianum. 



8th. — Lithospernura canescens. 



9th. — Oxybaphus uyctagineus, Opuntia vulgaris. 



10th. — Portulaca pilosa, Cucurbita perennis. 



11th. — Argemone Mexicana, Lythrum alatura. 



12th. — Specularia leptocarpa, Specularia perfoliata, 



13th. — Acerates lancifolia, Amorpha canescens. 



14th. — Solanum rostratum. 



15th. — Verbena stricta, Rhus glabra, Salvia lanceolata. 



16th. — Martynia proboscidea, Lygodesmia juncea. 



17th. — Gaura biennis. 



18th. — Ruellia ciliosa. 



19th. — Petalostemon violaceum. 



20th. — Sambucus Canadensis. 



21st. — Croton Texensis, Froelichia floridana. 



22d. — Polygala alba, Sida spinosa. 



24th. — Petalostemon candidum. 



25th. — Cleorae integrifolia. 



26th. — Polanisia uniglandulosa. 



