OF ARTS AND SCIENCES. 139 



lower lobes quadnuiguhir, tlie upper aciuuiimte, with a few short 

 teeth : flowers in subsimple racemes, six to eight lines broad ; calyx- 

 teeth iiliforiu : ovary ovoid, densely covered with short soft spines, on 

 a slender pedicel an inch long, 2-celled ; ovules one or two in each 

 cell : fruit ovoid, about two inches long, acute above, somewliat pnljes- 

 cent, and with scattered short stiff spines, usually 2-seeded : seeds sub- 

 globose, an inch in diameter, attached to tlie inner side of the cell, 

 smooth upon the margin. — From Guadalupe Island, by Dr. K. Pal- 

 mer ; growing on high rocks. 



Saniol'la Nkvauexsis. Low, the peduncles mostly from the 

 base of the stem : leaves ternate with decurrent oblong-ovate 3-5- 

 lobed divisions, the segments lobed or toothed : involucre pinnatifid 

 and toothed : rays about o, sometimes branched, about an iuch long in 

 fruit ; involucels somewhat unilateral, of several oblong acute more or 

 less united bracts : flowers yellow : fruit sessile, covered with stout 

 prickles. — lu Plumas County, California ; collected by Mrs. M. E. 

 P. Ames, and by Lemmon. 



CiCUTA BoLANDKRi. Leaves bipinnate ; leaflets narrowly lanceo- 

 late, narrowly and sharply acuminate, two inches long, very acutely 

 serrate, the veinlets passing to the sinuses ; lower leaflets petiolulate, 

 often deeply lobed : involucre of several linear leaflets : fruit two lines 

 long, nearly orbicular, strongly ribbed and with broad vitta?, wliit-h are 

 sunk in the channelled seed. — At Suisun, California, in salt-marshes ; 

 Bolander. 



(ExANTHE Californica. Stems succulent: leaves ternate and 

 bipinnate, the pinnaB nearly sessile ; leaflets approximate, ovate, about 

 an inch long, acute or acutish, toothed, often lobed at base : involucre 



3-4-celled : cells imbricated above each other, 1-seeded : seeds obovoid, ascend- 

 ing, attached to the outer side of the cell. — Pacif. R. Kep. 6. 74. Common in 

 Washington Territory and Oregon. The ripe fruit has not been collected. 



4. M. MORiCATA. Nearly glabrous and often glaucous ; stems six to eight 

 feet long : leaves usually smaller, deeply olobed, the divisions broader above 

 and sliarply toothed or lobed : fertile flowers without abortive stamens, on slen- 

 der pedicels : ovary oblong, acute at each end, smooth or sparingly nmricate : 

 fruit nearly globose, an inch in diameter, naked or with a few short weak spines 

 near the base, 2-celled (or perhaps sometimes 3- or 4-celled), 2-seeded : seed 

 nearly globose, half an inch in diameter, ascending, attached to the outer side of 

 the cell near the base, the margin smooth. — Echinocystis muricutn, Kellogg, 

 Proc. Calif. Acad. 1. 57. On the lower slopes of the Sierra Nevada, in Cala- 

 veras and Placer Counties. 



6. M. GxjADALUPENSis, Watson. See above. 



