264 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
3a. Tissa rubra perennans (Kindb.) Greene, Pittonia 2: 229. 1892. 
Lepigonum rubrum perennans Kindb. Monogr. 41. 1863. 
Spergularia rubra perennans Robinson in Gray, Syn. F]. 1: 250. 1897. 
_TyYPE Locairy: Sweden. 
RanGE: Washington and Idaho to California. Europe. 
SPECIMENS EXAMINED: Satsop, Heller 4026; Kalama, Piper, October, 1901; Lake Park, 
Piper 2126; Klickitat County, Brandegee 678; west Klickitat County, Suksdorf 2081; 
Stuart Island, Lawrence 196. 
4. Tissa diandra bracteata (Robinson). 
Spergularia salsuginea bracteata Robinson in Gray, Syn. Fl. 1: 251. 1897. 
TYPE Locauity: Texas. 
Rance: Washington to California and Texas. 
SPECIMENS EXAMINED: West Klickitat County, Suksdorf 2082, 176; Egbert Springs 
Sandberg & Leiberg 346. 
ZONAL DISTRIBUTION: Upper Sonoran. 
PENTACAENA. 
1. Pentacaena ramosissima (Weinm.) Hook. & Arn.; Hook. Bot. Mise. 3: 338. 1833. 
Loeflingia ramosissima Weinm. Bot. Zeit. 3: 608. 1820. 
Paronychia? ramosissima DC. Prod. 3: 372. 1828. 
Type Locaity: “In apricis siccis Chili.” 
Rance: Washington to California. Chile. 
SPECIMENS EXAMINED: Westport, Heller 3939; Oyhut, Lamb 1262; Iwaco, Piper. 
ZONAL DISTRIBUTION: Humid Transition. 
NYMPHAEACEAE. Wareruity Famiry. 
Leaves peltate; carpels several, 1-seeded........... 22202. .0 222-2 BRASENIA. 
Leaves cordate; carpel 1, many-seeded....................-....... 2. NYMPHAEA. 
BRASENIA. 
1. Brasenia schreberi Gmel. Syst. Veg. 1: 853. 1796. WATERSHIELD. 
Hydropeltis purpurea Michx. F]. 1: 324. 1803. 
Brasenia peltata Pursh, Fl. 2: 389. 1814. 
Brasenia purpurea Casp. in Engl. & Prantl, Nat. Pfl. Fam. 3?: 6. 1888. 
Type LocaLity: None given. 
Rance: British Columbia to Nova Scotia, southward to California, Texas, and Florida. 
Asia. Australia. Africa. 
SPECIMENS EXAMINED: Lake Washington, Piper, July, 1895; Silver Lake, Henderson, 
October, 1892; Davis Lake, Kreager 443. 
ZONAL DISTRIBUTION: Transition. 
NYMPHAEA. 
° 
1. Nymphaea polysepala (Engelm.) Greene, Bull. Torr. Club 15: 84. 1888. Wokas. 
Nuphar polysepalum Engelm. Trans. Acad. St. Louis 2: 282. 1865. 
Type vocatity: “In small lakes, in the higher Rocky Mountains, from the sources 
of the Platte, near Long’s Peak, lat. 40°, to those of the Columbia River, lat. 44°.” 
Rance: Alaska to California and Colorado. 
SPECIMENS EXAMINED: Oyhut, Lamb 1260; Falcon Valley, Suksdorf 46; Union Flat, 
Lake & Hull 421; Big Meadows, Stevens County, Kreager 426. 
ZONAL DISTRIBUTION: Transition to Hudsonian. 
The common form of this species has floating leaves, but in some lakes a form occurs in 
which the leaf blade is held above the water. Forms with the outer sepals red-tinged 
