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Origanum [Tourn.] L. Wild Marjoram. 
VULGARE L. Roadsides, Amherst, etc. 
Pycnanthemum Michx. Mountain Mint. Basil. 
flexuosum (Walt.) BSP. 
virginianum (L.) Durand & Jackson. 
incanum (L.) Michx. Mt. Holyoke, etc., H. G. Jesup. 
muticum (Michx) Pers. 
Thymus [Tourn.] L. 
SERPYLLUM L. Creeping Thyme. Ambherst, etc., W. D. Bar- 
low ; Springfield, Dr. W. H. Chapin. Spreading. 
Lycopus [Tourn.] L. Water Horehound. 
virginicus L. Bugle Weed. 
uniflorus Michx. Bugle Weed. Springfield, L. Andrews. 
americanus Muhl. 
Mentha [Tourn.] L. Mint. 
SPICATA:L. Spearmint. 
piperita L. Peppermint. 
arvensis L. var. canadensis (L.) Briquet. 
arvensis L. var. glabrata (Benth.) Fernald. Sunderland, R. E, 
Torrey. 
Collinsonia L. Horse Balm. 
canadensis L. Rich-weed. Stone-root. 
SOLANACEAE 
Solanum [Tourn.] L. Nightshade. 
DULCAMARA L.  Bitter-sweet. 
nigrum L. Common Nightshade. 
carolinense L. Horse Nettle. Training School grounds, Spring- 
field. 
Physalis L. Ground Cherry. 
PRUINOSA L. Strawberry Tomato. Persistent and escaping. 
heterophylla Nees. Springfield, L. Andrews ; Amherst. 
virginiana Mill. Springfield, Amherst, etc. 
Nicandra Adans. Apple of Peru. 
PHYSALODES (L.) Pers. 
Lycium L. Matrimony Vine. 
halimifolium Mill. Sometimes escaped. 
Hyoscyamus [Tourn.] L. Henbane. 
NIGER L. Black Henbane. 
Datura L. Jamestown Weed or Jimson Weed. Thorn Apple. 
STRAMONIUM L. Stramonium. 
TATULA L. Purple Thorn Apple. 
