GENERA OF THE OLJlCAQEM. 133 



7. Arjona longifolia, Philippic Ann. Univ. Chile (1862), Linn. 

 xxxiii. p. 232. Circa Mendosa (San Kafael, W. Diaz): v. v. et sice, 

 in herb, meo (573, cum icone ex vivo colorata), circa Mendoza; ex 

 eod. loc. {Gillies). 



A suffruticose plant, with several alternate suberect branches 

 7 in. long, angularly striate, yellowish, glabrous, with axils |-1 

 in. apart ; leaves much elongated, linear-lanceolate, narrowed at 

 the base, very acuminate and mucronate at the apex, divaricately 

 patent, prominently 3-5-nerved, chartaceous (but not rigid), mar- 

 gins scabridly ciliate, sides folded together along the midrib, ob- 

 soletely pilose above, scabridulous beneath, 10-18 lines long, 1| 

 line broad : inflorescence terminal, at first capitate, afterwards 

 more laxly flowered and supported upon a yellow peduncle, deeply 

 sulcata, bare at its base for a length of If -2 inches, head of 

 flowers 1^ in. long; flowers yellow, subapproximate ; calycle 

 acutely oblong, channelled, densely cano-villose, 3 lines long, 

 1| line broad ; sepals 2, laterally opposite, acutely oblong, densely 

 cano-pubescent, smooth inside, 2 lines long : corolla yellow, very 

 tomentous externally ; tube slender, narrowly cylindrical, sub- 

 incurved, a little wider in the mouth, 6 lines long ; segments sub- 

 acute, tomentous outside, glabrous within except at the niveous 

 streaks at their base, 3 lines long, | line broad, subreflexed : 

 stamens included in the mouth; anthers linear, fuscous, emitting 

 a yellow pollen ; ovary small, crowned by a flat disk marked by 5 

 reddish spots ; style capillary, reaching the stamens ; stigmata 3, 

 lamellar, erecto-divergent. 



8. Arjoxa linearis, nob. 



Suffruticosa, ramosa ; ramis suberectis, tenuibus, striolatis, tistulosis, 

 flavescentibus, glabris ; axillis remotiusculis; foliis anguste linearibus, 

 ensiformibus, subrigidis, imo breviter amplexicaulibus, apice tenuiter 

 pungentibus, trinerviis, marginibus cartilagineis, adpresse plicatis, 

 utrinque vix pilosulis ; inflorescentia terminali ; pedunculo ad basin 

 longe palato, sericeo-pubescente, superne multifloro ; floribus supe- 

 rioribus capitato-congestis, inferioribus laxioribus. In jugo raontiuin 

 (Paramillo dictu) versus Mendoza: v. v. et siccoin herbario meo (no. 

 574), Villa Vicencio, altit. 5380 ped. 



A species near the preceding, collected by me in 1826, when I 

 made a coloured drawing of it. It differs in its narrower leaves, 

 more lax inflorescence, with very sericeous flowers ; its branches 

 are 7-10 in. long, with axils 4-6 lines apart ; leaves 12-21 lines 

 long, 1-li line broad when flattened ; terminal peduncle very 



