MACLOSKIE I MALVACEAE. 575 



none. Stipules linear. Flowers laxly racemose, often ternate on the end 

 of the peduncle, pedicels short. Calyx green-silvery, 5-cleft, lobes ovate, 

 obtusish, tribracteolate. Corolla twice as long, cyaneous, glabrous. 

 Ovary i2-i4-carpeled, rough. Fruit orbicular, laxly hairy. 



Patagon., in meadows between San Julian and Rio Deseado and near 

 Golfo de San Jorge. 15-25 cm. tall. 



7. CRISTARIA Cav. 



Upright or decumbent, mostly hairy herbs, with angular-lobed or par- 

 tite leaves, and axillary, solitary or racemed flowers. No involucel. 

 Stigmas terminal. Mericarps with 2 superior wings which at length 

 cause them to spring open. 



Species 25, Chili and Peru. 



KEY TO THE SPECIES. 



A. Leaves trisected ; the segments cut. Flowers panicled, purplish. ecristata. 



Az. Lower leaves rounded, entire or 3-parted. Flowers racemed, blue. heterophylla. 



A$. Leaves rounded ; lower 5-, upper 3-parted, and further cut. patagonica. 



A^. Leaves runcinate. Flowers solitary, violaceous. hastata. 



A$. Leaves palmatisect ; the lobes 3 -cleft. Umbels. kuntzii. 

 A6. Leaves pinnatisect. 



b. Glabrous. Plant decumbent. Flowers large. intermedia. 



b2. Sparsely hairy. Erect annual. Flowers violet. linoides. 



i. C. ECRISTATA A. Gray. 



Erect, branched. Cauline leaves trisected, the lobes 2-parted and 

 further cut. Pubescence stellate. Upper leaves bract-like. Flowers loosely 

 racemose-panicled, pale purple. Carpels 12-16. Capsule conical. 



N. Patagon., by Rio Negro. 



2. C. HASTATA Phil. 



Subglabrous, green to glaucescent. Stipules ovate, glabrous or ciliate. 

 Petioles thick, glabrous, half as long as the limb. Leaves subruncinate- 

 dentate, stellately hairy underneath, glabrous or sparsely stellate-hairy 

 above. Peduncles glabrous, articulate above the middle, ebracteolate, 

 i -flowered. Calyx 5-cleft, stellate-pilose on the margin and 3 nerves, 

 green ; lobes triangular, acute. Corolla large, glabrous, violaceous. 



N. Patagon, Neuquen, at Confluencia, and at Lago Nahuel-huapi. 



