388 EUFII0R13IACE/E (Hutclunson). [Phyllantlms. 



r 



Auuual lierbs or small rhizomatous undershrubs : 



Branchlets and often the leaves on botli sides 



finely scabrid-puberulous ; 

 Plants 2-4 in. high ^yith crowded branchlets ... ( 5 ) parvulus. 



I- 



Plants slender, 6-12 in. highj laxly branched ... ( 6 ) humilis. 



■ 



Branchlets and leaves quite smooth : 



Pedicels capillary, about J in. long (7) nummu- 



larifolins. 



Pedicels not or scarcely capillary^ about 1 lin. 

 long or less : 

 Flowering branchlets conspicuously flexuons ( 8 ) pentandrus. 



Flowering branchlets not flexuous • (9) Burchelli. 



**Stauiens 3 ; filaments quite free ; leaves ovate or 



ovate-orbicular (10) glaucophyllus, 



***Stauiens 3 or 2 ; filaments connate to tlie apex : 



Stamens 3 ; f^lants never densely pubescent or 

 subtomentose : 

 Female disc composed of distinct separate glands : 

 Leaves oblauceolate or linear-lanceolate, appre- 

 ciably broad and mostly with strongly 



marked nerves (11) madera- 



spatensis. 



Leaves linear, usually long and very narrow, 



without visible nerves (12) incurvx^s. 



Female disc annular, entire, toothed or lobed : 

 Flowers dicecious ; a shrub with fairly large 



ovate leaves and rather large flowers ... (13) myrtaceus. 



r 



Flowers monoecious ; small herbs with small 

 more or less elHptic or suborbicular leaves 

 and small flowers ; 



Sepals 5... .: , (14) meyerianus. 



Sepals 6 : 



Branchlets finely aspenilate ; leaves mostly 



about J in. "long ... (15) asperulatus. 



Branchlets smooth ; leaves usually smaller 

 than in the above : 

 Disc of the female flowers pectinately 



lO-toothed (10) NinirL 



Disc of the female flowers entire or 

 slightly undulate : 

 Stigmas subentire and almost sessile 

 on the ovary ; leaves verj^ small 

 and fairly dense (17) delagoensis. 



r 



Stigmas on fairly long spreading styles, 

 sometimes bifid ; leaves fair-sized 

 and mostly very laxly arranged ... (18) heterophyllus. 



Stamens 2 ; plants densely pubescent or sub- 

 tomentose (39) cinereovindis. 



L P. discoideus {3IuH. Arg. in Linnsea, xxxii. 51); a tree, ov- 

 50 ft. liigh or sometimes a shrub ; branches finely sulcate, sul»terete , 

 lateral flowering branchlets up to 2J in. long, spreading, puberulous 





