MACLOSKIE I LEGUMINOS/E. 497 



i. ANARTHROPHYLLUM BEAUFILSII O. Ktze. 



Petals glabrous externally, scarcely exceeding the calyx-lobes. Calyx 

 tomentose ; its lower lip produced, 3-toothed. Wings and keel produced, 

 twice as long as the standard. 



Patagon., by Sta. Cruz. 



2. A. DESIDERATUM Benth. (DC. sub Genista.] 



Trimerophyllum. Branches unarmed, terete. Leaflets 3, linear-subu- 

 late, apically pungent, appressed-pubescent, silky. Flowers pediceled. 

 Standard broad, only half as long as the wings. Legumes pubescent. 



Varies in size of leaf-segments, degree of silkiness, etc., and may reach 

 nearly 3 meters high. "Not sufficiently known," O. Ktze. ( = A.bergii 

 Hier. ?) 



S. Patagon., Puerto Deseado. By Hatcher at Rio Sta. Cruz.. Fuegia. 



Flowering Nov. 21 ; by Rio Chubut and Rio Gallegos. 



Under A. desideratum, Speg. gives 3 forms. 



(1) bergi or typica ; lobes of leaves 5-10 mm. long ; lower lip of calyx, 

 briefly 3-toothed. 



(2) merenonis, lobes of leaves 10-20 mm., lip of calyx 3-cleft to the 

 middle. 



(3) mustersi Speg., lobes of leaves 15-35 mm., lip of calyx 3-partite to 



the base. 



3. A. ELEGANS Benth. (Gill, sub Genista.] 



Trimerophyllum. Leaves 3-partite, their segments elongate-subulate, 

 canaliculate, acute, pungent, spinescent, appressed-silky. Stipules as long, 

 lanceolate, united at base. Corolla twice as long as the calyx. Legumes 

 linear-lanceolate, silky, 5-6-seeded, the valves at length spirally twisted 

 and glabrous. Beautiful scarlet, paler in sicco. 



N. Patagon. S. Patagon., by J. B. Hatcher, in dense tufts, 2-3 feet in 

 diameter; (by Barnum Brown, Nov. 10, 1899). 



4. A. MORENONIS O. Ktze. 



Petals orange, unequal. Standard only half as long as the other petals. 

 Patagon. (M. & T.) 



5. A. RIGIDUM (Gill.) Hieron. 



Trimerophyllum. Leaves and buds bitter, pale green. Leaf-segments 

 long cuspidate-mucronate. Flowers orange, on a small, silky-canescent 



