478 cxxxvi. URTICACE^E. (J. D. Hooker.) 



Male sepals induplicate-valvate. Stipules free. Cotvle- 

 dous narrow 4. TEEMA. 



Male sepals imbricate. Stipules connate, convolute . . 5. GIEONNIEBA. 



TRIBE III. Cannabineae. Herbs, sap watery. Flowers dioscions. 

 Anthers erect in bud. Style 2-fid. Ovule pendulous. Fruit an achene. 



A climbing hispid perennial. Leaves opposite. Embryo 



spiral 5*. HuMTJLUS. 



An erect annual. Leaves alternate. Embryo curved . . 6. CANNABIS. 



TRIBE IV. Bloreae. Trees or shrubs, sap usually milky. Stamens 

 inflexed in bud, anthers reversed. Ovule pendulous, anatropous. 



Subtribe 1. FATOTJE.E. Male fl. in axillary cymes, with a few fern, inter- 

 nixed, or fern. fl. solitary. Shrubs or trees. 

 Leaves entire. Male sepals imbricate. Cotyledons twisted 7. PGETJDOSTEEBLUS. 



Subtribe 2. STREBLE^. Male fl. capitate spicate or racemose, fern, soli- 

 tary or few on a common peduncle. Style 2-fid. Shrubs or trees. 



Male fl. racemed ; bracts minute. Fern, sepals very short 8. TAXOTEOPHIS. 

 Male fl. subcapitate ; bracts many, large. Fern, sepals 



foliaceous 9. PflYLLOCHLAMYS. 



Male fl. subcapitate; bracts 2. Fern, sepals clasping the 



ovary 10. STREBLUS. 



Subtribe 3. BROUSSONETIE^E. Male fl. capitate spicate or racemose, fem. 

 in globose head. Style undivided, elongate. Shrubs or trees. 

 Male fl. spicate. Achenes stipitate. Leaves 3-nerved . 11. BEUOSSONETIA. 

 Male fl. spicate. Achenes sessile. Leaves penninerved . 12. ALL^EANTHUS. 

 Male fl. in globose heads. Achenes sessile. Leavespenni- 



uerved. 13. PLECOSPEEMUM. 



Subtribe 4 EUMOREJB. Male and fem. fl. spicate, or fem. subcapitate. 

 Fem. sepals fleshy in fruit and enclosing the achene . . 14. MOETJS. 



Snbtribe 5. DORSTENIE.E. Male and fem. fl. crowded on a narrow or 

 broaxi flat fleshy receptacle. 



Receptacle linear, like a unilateral spike. Trees . .. . 15. SLOETIA. 



Receptacle flat, entire or lobed. Herbs or shrubs . . . 16. DOESTENIA. 



TKIBE V. Artocarpeae. Trees or shrubs, sap usually milky. Flowers 

 unisexual, males or all in globose heads or open or closed receptacles. 

 Anthers erect in bud. 



Flowers on the inner walls of a closed receptacle ... 17. FICTTS. 

 Male fl. on a disciform receptacle, fem. solitary .... 18. ANTIAEIS. 

 Flowers in naked or bracteate heads, rarely racemes. 



Flowers all in globose heads ; stamens 4 19. CUDEANIA. 



Flowers in globose oblong or cylindric heads, male 



monandrous 20. AETOCARPTTS. 



Male fl. in cylindric spikes, fem. racemose .... 21. BALANOSTUEBLFS. 



TRIBE VI. Conocephalese. Shrubs, often climbing, or trees, sap 

 usually milky. Flowers in unisexual heads. Anthers erect in bud. Style 

 undivided or 2-fid, Ovule erect, orthotropous. 



Male and fem. heads cymose, or fem. solitary. Stamens 

 free. Style short 22. CONOCEPHALTJS. 



