200 PORTULACACE.S. Clattonia. 



mens from the Liverpool garden). Stems slender, 12-18 inches high. Ra- 

 ceme at length elongated. 



5. C. asarifolia (Bongard) : csespitose ; leaves veiny, the radical ones on 

 long petioles, somewhat rcniform ; cauline sessile, broadly ovate, obtuse ; 

 pedicels solitary or ternate, bracteate ; petals 2-cleft, red. Bong. veg. Sitcha, 

 I. c. p. 136. 



Sitcha.— Radical leaves nearly 4 inches broad : cauline ones about an mch 

 broad. Petals twice the length of the calyx ; lobes obtuse. ^ojig-arcZ.— Near- 

 ly allied, apparently, to the foregoing. 

 •4^6. C. perfoliata (Donn) : csespitose ; leaves obscurely reticulatcly veined ; 

 radical ones numerous, on slender petioles, broadly rhomboidal ; cauline pair 

 united into a single nearly orbicular perfoliate leaf; raceme fascicled, sessile; 

 petals entire or slightly emarginate.— i)on?2, hort. Cantab, ed. 4. p. 50 ; Bot. 

 mag. t. 1336 ; Pursh, fl. 1. p. 176 ; Hook. fi. Bor.-Am. 1. p. 225. C. Cu- 

 bensis, Bonpl. in ami. mus. 7. ;). 82. t. 6, ^ pi. cBquinoct. t. 26. Limnia per- 

 foliata, Haw. sxicc. syn. p. 12. 



N. W. America, {Menzies, NiMall !) to Mexico and Cuba. Valhes of 

 the Rocky Mountains, Douglas, Nuttall .'—Stems 4-8 inches high, diffuse. 

 Flowers very small for the size of the plant : petals white.— De Candolle 

 gives as a locality, the Rocky Mountains of Virginia! 



7. C. parviflora (Douglas) : radical leaves numerous, linear-spatulate, 3- 

 nerved, with anastomosing veins, on long petioles ; the cauline pair united 

 into one oval perfoliate veiny leaf; raceme [mostly peduncled] simple or 

 somewhat compound, with a single bract. Hook. I. c. p. 225, t. 73. 



0. glaiica (Nutt. ! mss.) : smaller ; raceme mostly subsessile. 



In woods along the Oregon river, Douglas, Nuttall .'—Commonly 6-12 

 inches high, pale green. Petals nearly entire, oblong, pale rose-color or white, 

 twice the length of the calyx. Var. 0. grows on exposed rocks, in close tufts, 

 is often very glaucous, 1-3 inches high. ^Nutt.— The cauline leaf in both forms 

 of Mr. NuttaTl's specimens is often very excentrically perfoliate. 



8. C. spathulata (Douglas): csespitose, minute ; radical leaves numerous, 

 narrowly subspatulate-linear ; cauline ones ovate, acute, sessile ; raceme soli- 

 tary (4-6-flowered), 1-bracteate ; petals entire, scarcely exceeeing the calyx. 

 Hook. fi. Bor.-Am. 1. p. 226. t. 74. 



N. W. Coast, Menzies. Valleys of the Rocky Mountams, Douglas.— 

 Leaves very narrow, scarcely an inch long; the cauline pair very small. 

 The sinallest of the genus [1-2 inches high]. Hook. 



9. C e.rtg-«a .• csespitose ; radical leaves numerous, narrowly linear ; cau- 

 line pair lanceolate or linear, somewhat dilated at the base, subconnate, 

 usually as long as the solitary few and loosely-flowered raceme ; petals ob- 

 cordate-oblong, more than twice the length of the calyx. 



California, Douglas .'—Stems 2 inches high. Cauline leaves variable in 

 shape and length, (sometimes unequal) often longer, but not rarely shorter 

 than the raceme. Raceme peduncled, 5-9-flowered, Flowers larger than 

 in C. spathulata. Seeds minutely scrobiculate. 



10. C. sypsophiloides (Fisch. & Meyer) : glaucous ; radical leaves very 

 long, filiform ; cauline pair mostly connate on one side; raceme simple, 

 ebracteate ; petals nearly linear, emarginate, thrice the length of the calyx. 

 Fisch. ^ Meyer, ind. sem. St. Petersb. {Dec. 1835) p. 33; Don, in Brit, 

 fl. gard. {ser. 2.) t. 375. 



California, at the Russian settlement Ross, Fisch. <^- Meyer.— Stems nu- 

 merous and cffispitose, filiform, 6-10 inches high. Radical leaves 3-6 inches 

 or more in length, fleshy, erect: the cauline of two combined on one side, 

 broad, cucullate, almost tubular at the base: the apices free, ovate, acute, un- 

 equal' spreading. Racemes pedunculate, elongaltd. many-flowered : pedicels 



