No. 50.) ~ 173 
Tuvya, L. Arbor Vite. 
occidentalis, Z. Rocky hills, along rivers. May. 
Cupressus, L. Cypress. 
thuyoides, L. White Cedar. Swamps, Long Island. May. 
Juniperus, L. Juniper. 
virginiana, L. Red Cedar. Rocky banks and dry hills. Sir 
W. Hooker considers this species as identical 
with J. sabina. May. 
communis, L. Common Juniper. Dry rocky woods. May. 
— Sus-Orper TaxinEz. 
Taxus, L. Yew. 
canadensis, L. American Yew, Running or Ground Hemlock. 
Moist rocky places. April. 3 
CLASS IIL ENDOGENS, or MONOCOTYLEDONS. 
Orper AMARYLLIDACE. ‘Tue Narcissus Trise. 
Hypoxis, L. Star Grass. 
erecta, L. Woods. May-July. 
Orpver [IRIDACEA. Tue Tris Trise. 
Sisyrincuium, L. Blue-eyed Grass. 
anceps, L. Meadows. July. 
Var. mucronatum. 8S. mucronatum, Michx. Sandy woods, 
Long Island, &c. 
Iris, L. 
versicolor, L. I. virginica, Pursh. Blue Flag. Wet grounds. 
- June-July. | 
virginica, L. I. prismatica, Pursh. I. gracilis, Bigel. Margins 
of swamps. June. 
OrverR HYDROCHARACE#. ‘Tue Froc-sit Trise. 
- Hyprocnaris, L. Frog’s-bit. 
cordifolia, Nutt. Braddock’s Bay, Lake Ontario. Dr. Bradley. 
