300 Mnhlenberg^ia, Volume 2 



TRiFOtTUM T-RiCHOCALYX Heller, Mnhlenbergia 1: 55. i9C)4.' 



No, 8499, collected ^^Y ^i ^" pine woods back of Pacific 

 Grove, Monterey county, growing along a unused wood road. 

 A local species, known only from this place, the type! locality, 

 where I collected it in 1903. Many of the specimens obtained 

 this year vary from the type in that they are more erect" krid 

 slender with larger leaves. It is not a showy species, the heads 

 small, an(i'°tht *small purplish' flowers almost concealed by the 

 densely villous calyx. 



TrIFOUUM ACICULARE Nutt. ,, 



No. 8450, collected April 20, near Lake Merced, San Mateo 

 county, elevatipn ajaput 200 feet, in sandy soil among; grass and 

 other . vegetation. Distribpted as 7! trident ati^pi^\}a^ calyx 

 toothed as |n,rth at. species, but it has the leaf of aciculq,re.^... ,:; 



N6. ^628, collected May 31, near the summit of Mt. Hamil- 

 'tOT\, Sknta Clara cblinty, elevation 4000 feet. Plentiful at one 

 place below the observatory on a westerly slope under trees. 

 This is a small slender plant three to five inches high with *'teeth 

 of the calyx:simple (or rarely toothed at the base)." 



Tl^IFOLIUM VARIEGATUM Nutt. 



No, 8600, collected May 9, in, Hall's valley, on the Mt. 

 Hamilton road, Santa Clara county, elevation about 1500 feet, 

 growing in si damp meadow, the luxuriant decumbent tangled 

 branches two or three feet long- This has the "obovate-oblono ' 

 "minutely spinulose-serrate" leaf of the typical plant. 



Trifouum viRESCENS Greene, Pittonia 3: 223. 1892. 



No. 8505, collected May 7, in an orchard in the hills west 

 of LosG^tos, Saiita Clara county, elevation about 800 feet. Per- 

 haps an introductioUj as it had not been noticed heretofore. It 

 differs from the typical plant in that the leaves are hardly trun- 

 cate, merely broadly obovate. The two upper calyx teeth are 

 approxirnate but not "closely" so. That this is abundantly dis- 

 tinct from T. fucatum is easily seen when living plants of the 



