104 CLASS V. ORDER f. 



110. CLAYTONIA. 

 Claytonia Virginica. L. Linear Claytonia. 



Leaves linear-lanceolate ; racemes solitary ; calyx 

 acute ; petals obovate, retuse ; root tuberous. 



A delicate spring flower chiefly found in old moist woods. 

 Stem about six inches high with a pair of opposite linear leaves 

 about half way up. Racemes bearing about a dozen flowers on 

 slender pedicels an inch long. Calyx subacute. Corolla white 

 veined with purple. — In Connecticut. — May. — Perennial. 



Claytonia spathulata. ? Pursh. Broad leaved Claytonia. 

 Leaves spatulate; raceme solitary; calyx obtuse; 

 petals roundish, retuse ; root tuberous. 



Specimens gathered by Dr. Boott on the Camel's Rump moun- 

 tain in Vermont, agree tolerably well with the foregoing char- 

 acter. The root leaves are spatulate and obtuse ; those of the 

 stem opposite, lance-oval, and subacute. 



111. GLAUX. 



Glaux maritima. L. Sea Milkwort^ Saltwort. 



A low branching, maritime plant with small leaves. Root 

 fibrous, fleshy. Stems erect, half a foot high, round, thickly 

 furnished with opposite, oval, entire, smooth leaves. Flowers 

 axillary, solitary, subsessile, reddish. Gathered at Plymouth by 

 Mr. Tuckerman. — June, July. 



112. THESIUM. 



Thesium umbellatum. L. Unihelled Thesium.- 



Flowers ombelled ; leaves oblong. L. 



Si/n. Thesium corymbulosum. Mich. 

 CoMANDRA umbellata. Nuttall. 

 Stem round, slender, seldom exceeding a foot in height. Leaves 

 oval-lanceolate, mostly entire, alternate, smooth. Branches near 

 the top, few, alternate. Umbels of few flowers, terminal, with 

 an involucre of about four leafets. Flowers on short peduncles. 

 Calyx five cleft, the tube green, segments white. Stamens ia- 

 serted on the calyx. Seed one. — Dry woods. — June.^ 



