MACLOSKIE : LOASACE/E. 587 



roundish, approximate lobes. Upper leaves few, pinnatifid. Peduncles 

 axillary, usually I -flowered. Calyx-lobes ovate, much shorter than the 

 petals ; half as long as the fruit. Hairs rigid, not stinging ; some obso- 

 letely glochidiate. 



(Chili at 2,700 m. elevation) ; S. Patagon., by Rio Scheuen. 



2. LOASA FILICIFOLIA Poepp. (L. pinnatifida Gill.) 



Nearly erect. Leaves opposite, long-petioled ; the basal with pinnat- 

 ifid segments and rounded subsegments ; the upper pinnatifid. 



Characters much as in L. argentea, but with stinging hairs. 



"Chilian Nettle." In Chili at high elevations Head of Rio Chico de 

 la Sta. Cruz, by Hatcher; in flower and fruit, Feb. 9, 1897. 



* 



3. L. MULTIFIDA Gay. 



Erect. Stem rigid, stout, branching. Leaves opposite, deeply tripinni- 

 partite ; ultimate segments linear, acute ; the lowest leaves long-petioled, 

 the upper sessile : the floral leaves alternate. Calyx-tube very short, the 

 segments linear-lanceolate, equalling the petals. Scales 2-lobed, dorsally 

 3-appendaged at base, with two 3-jointed filaments inside. 



"Amor seco" ; Chili; and near Cape San Antonio in N. Patagon. 



4. L. MURALIS Gris. 



Decumbent, branching, and rough all over, with stinging hairs. Leaves 

 opposite, petiolate, subrotund in outline, 3~5-partite ; their segments 

 pinnatifid-lobate. Outer lobes and teeth ovate, acutish. Peduncles axil- 

 lary, i -flowered, cernuous, exceeding the leaf. Calyx-tube campanulate, 

 the lobes much shorter, lanceolate, tooth-like, 4 times shorter than the 

 short petals, which are hooded, dorsally setose. Scales hooded, truncate, 

 dorsally naked, ending in a gland and enclosing 2 staminodes. Petals 

 enclosing lo-staminal fascicles. Style simple. Capsule globose. Seeds 

 oblong. 



(Argentina.) N. Patagon., a var. 



5. L. PATAGONICA Urb. & Gilg. (L. pinnatifida Speg., non Gill.) 

 Floriferous stems numerous, erect, patent, to 12 cm. high, sparsely 

 leaved. Leaves lanceolate, or oval-lanceolate, pinnatifid, the pinnae mod- 

 erately remote, sessile, entire or 2-4-partite, oval to oval-orbicular. 



