Crotonogynopsis.] cxxii. eupiiorbiace^. (prain). 925 



sliallow cupular, with 4-5 protuberances on the margin, alternating 

 with the calyx-segments. Ovary 3-celled, glabrous ; styles cylindriOy 

 glabrous, with laciniate tips. Fruit not seen. 

 Upper Guinea. Caraeroons ; Buea, Deisfel, 218 ! 



IMCozamb. Blstr. German East Africa : Usambara; Derema, 2700-3200 ft.^ 



Eeinsen, 8 ! Scheffler, 166 ! 



04. ARGOMUELIiERA, Pax in Engl. Jahrb. xix. 90. 



Flowers monoecious, apetalous. Male : Calyx globose, splitting into- 

 3-4 valvate reflexed segments. Stamens numerous, free, inserted on 

 a hemispherical receptacle, mixed with oblong glabrous or hirsute 

 receptacular glands; anthers small, introrse, 2-celled, longitudinally- 

 attached to a narrow connective. Rudimentary ovary 0. Female : 

 Sepals 5, rarely 6, rather distinctly 2-seriate, imbricate. Disk 0. Ovary 

 3-celled, densely tomentose ; ovules solitary in each cell ; styles 3, con- 

 tinuous with the carpels, undivided, rather stout, slightly connate 

 below, somewhat reflexed above, tomentose without, stigmatic but not 

 papillose on the face. Capsule breaking up into 3 2-valved cocci ; 

 valves thinly woody. Seeds globose, without a caruncle ; albumen 

 fleshy ; cotyledons broad, flat. — Shrubs or trees. Leaves alternate. 

 Flowers in axillary usually androgynous spike-like racemes; males 

 rathei' numerous, fascicled, each fascicle usually with a single central 

 female, occasionally all the fascicles except the terminal (very rarely 

 all the fascicles including the terminal) with only male flowers. — 

 Pijcnocoma, sect. Wetriaria, Miill. Arg. in DC. Prodr. xv. ii. 952. 



Species about 8 ; two endemic, tlie others Mascarene. 

 Ijeaves pubescent on the nerves beneath, shortly petioled, 



base acute . . . . . , . . \. A. macrophylla. 



Leaves ghibrous, sessile, base rounded .... 2. A. sessilifolia. 



1. A. macrophylla. Fax in Engl. Jahrh. xix. 90. Shrub 6-12 ft. 

 high, with tawny- or rusty-pubescent branchlets. Leaves very shortly 

 petioled, thinly to firmly chartaceous, oblanceolate-oblong, 8-16 in. long, 

 2-5 in. wide, acuminate, sharply serrate especially towards the apex, 

 much narrowed to the entire very acute base, glabrous above, hirsute 

 with spreading hairs on the nerves beneath ; petiole rusty- or tawny- 

 pubescent, \ in. long ; stipules pubescent, narrow-lanceolate, J in. long. 

 Racemes several from the upper axils, 2-8 in. long ; rhachis slender, 

 pubescent with spreading liairs ; bracts spreading, ovate, acute, 

 pubescent ; flowers glomerulate, each cluster usually with several males 

 and a single central female, sometimes with only a female in the 

 terminal glomerule, occasionally with all the glomerules of male flowers 

 only. Male sepals 3 or 4, reflexed, ovate-lanceolate, \ in. long. Stamens 

 numerous, exserted, mixed with glabrous or sparingly hirsute inter- 

 staminal glands. Female sepals 5 or 6, rather distinctly 2-seriate, the 

 inner the smaller, narrow-ovate, acute, imbricate. Ovary 3-celled, 

 densely tawny-pubescent ; styles recurved, stigmatic on the inner face 



