732 PATAGONIAN EXPEDITIONS I BOTANY. 



62. Leaves narrow-linear. Spikes i-4-flowered. 



c. Peduncles many times shorter than the leaves. Fruit 2-celled, 4-seeded. 



monanthos. 



C2. Peduncles longer than the leaves, silky. Corolla-lobes ovate-lanceolate, suberect. 



Seeds rugose. Dwarf woolly. pseudo-patagonica. 



c$. Peduncles as long as the leaves, becoming longer. Leaves silky. Spike 2-4-flowered. 



Flowers 2-seeded. rancagiuz. 



C4. Peduncle surpassing the leaves, I -flowered. Leaves linear-squarrose, spiny-mucro- 



nate, with appressed hairs. Tap-root hollow. ccelorhiza. 



b$. Leaves linear, rigid, white-mucronate, glabrous, sessile ; with periclad silky inside. 



Corolla-lobes reflexed. oxyphylla. 



64. Leaves narrowly linear-lanceolate or linear, subacute, fleshy, remotely toothed. Pedun- 

 cles as long. Fruit 6-seeded. Petals subacuminate. barbata. 

 5. Nearly as 64, but petals obtuse, seeds 4-8 (not American). brownii. 

 66. Leaves oblanceolate, entire, glabrous, i -nerved, exceeding the 4-flowered scapes. Seeds 4. 



tehuelcka. 

 A2. Spikes more or less cylindrical, many -flowered. 



b. Leaves linear. Peduncles exceeding the leaves. Smooth herbs. 



c. Leaves 3-nerved, attenuate both ways. Peduncles silky and hairy. Spikes oblong. 



Corolla-lobes rounded. coriacea. 



c2. Leaves fleshy, obscurely nerved. Dense, blunt spikes. Corolla-lobes spreading. 



maritima. 

 b2. Leaves lance-linear, entire. 



c. Puberulous. Peduncles as long as the leaves, lax-pilose. Corolla-lobes ovate-cor- 

 date, acute. Seeds 3. myosurus. 

 c2. Woolly. Peduncle hirsute. patagonica, 

 b$. Leaves linear to linear-lanceolate or pinnatifid. Flowers small. Fruit 4-celled and 



4-seeded. Hairy. coronoptis. 



4. Leaves long-lanceolate, acute, attenuate-petiolate, 5 /-nerved, glabrous. Peduncles as 



long as leaves, hairy above. Spikes long-cylindrical. Fruit 3-seeded. candollei. 

 5. Leaves lanceolate, attenuate-petiolate, slightly hairy, 3-5 -ribbed. Peduncle angular, 



longer than the leaves. Spike ovoid. Seeds 2. lanceolata. 



66. Leaves ovate to lanceolate, 5-nerved, toothed. Peduncle longer, violet upwards. Spike 



long-cylindrical, lax. Seeds 4, yellow. hirtella. 



b"j. Leaves ovate-lanceolate, 3 5-nerved, subentire. Scape longer. Seeds 24. 



virginica. 



68. Leaves broad-ovate, obtuse, crenate or toothed ; nerves 5-7 ; attenuate-petiolate. Scapes 

 striate upwards. Corolla-lobes long, acute. Fruit 2-celled, many-seeded. 



rocce. 



i. PLANTAGO BARBATA Forst. (1789; P. fiauciflora Lam. non Hook.) 



(Plate XXV, fig. A.) 



Plantaginella. Lax-cespitose, simple or branching. Leaves erect, 

 stellately spreading or recurved, narrowly linear-lanceolate or linear- 



