560 PATAGONIAN EXPEDITIONS! BOTANY. 



2. Fruit indehiscent, 3-4, rarely 2-celled. Flowers 4-5-merous. Disk flat, lobed, stamens in- 

 serted between the lobes. Seeds arilled or not. Leaves opposite or alternate or whorled. 



2. Rhacoma. 



( " Distinguished from Maytenus by its capsules remaining closed, whilst those of Maytenus 

 burst open." ) 



1. MAYTENUS Feuill. ex Juss. Gen. 



Unarmed, evergreen shrubs, with alternate, petiolate, coriaceous, serrate 

 leaves, and axillary, polygamous, 5-merous flowers, solitary or fascicled, 

 or cymose. Ovary immersed in the orbicular disk ; its cells i- (rarely 2-) 

 ovuled. Seeds with crustaceous testa. 



Species 70, S. Amer., with 3 sp. in Mex., i in Galapagos, and i in St. 

 Vincent I. 



i. M. BO ARIA Molina. (M. chilensis DC.) 



Leaves elliptical-oblong, attenuate at base, apically acuminate, serrate. 



(Chili) ; N. Patagon.; valleys of Upper Limay and Chubut. "A small 

 tree, rather variable in habit." (J. Ball.) Fuegia, at Lapataia, on the 

 Beagle Channel. 



M. BOARIA LATIFOLIA ReisS. 



(Chili ; Argentina) ; Patagonia. 



2. M. MAGELLANICA (Lam.) Hook. f. (Celastrus magellanicus DC.) 



Branches terete, pubescent. Leaves glabrous, elliptic-ovate, attenuate 

 both ways, finely serrate. Peduncles short, i -flowered ; bracteoles fimbri- 

 ate. Calyx-segments rounded. Petals ovate-oblong, obtuse. Anthers 

 ovate-cordate. Capsule compressed, orbicular-obcordate, 2-celled, 2- 

 valved, 2-seeded. Arilhts white. 



W. Patagon.; E. and W. Magellan. Dawson I.; Fuegia, Ushuaia, by 

 Hatcher. Wood hard, used by the natives for arrows ; called " lena- 

 dura " and aiaen. 



2. RHACOMA Linn. (Myginda L.) 



Shrubs varying as to leaves, etc. Flowers few, minute, usually 4- (or 

 5-) merous. Calyx-tube urceolate, its lobes rounded. Petals reflexed. 

 Stamens inserted between the lobes of the disk ; anthers globose. Ovary 

 fused with the disk, 3-4-celled ; cells i -ovuled. Styles very short, lobed. 

 Fruit small, dry, or drupaceous with pyrenes. Seeds arillate or not. 



