Tetrorchidium 



EUPHOBBIACEJ3 



31' 



20. TETRORCHIDIUM Poepp. 



Trees or shrubs. Leaves alternate, with two glands at the top 

 of the stalk. Flowers dicecious or monoecious, without petals, in 

 axillary racemes ; male racemes long, with flowers small, sessile 

 or subsessile, in clusters; racemes, with female flowers or male 

 and female mixed, generally shorter, simple, or reduced to ;i 

 single stalked female flower. Calyx 3 (4-)parted, segments 



1 i_ r . 105. Tetrorchidium rubrii-enium Poepp. 



A, Portion of leaf and male inflorescence C, Female flower x 5 ; d, d'.sk ; .*. sepal. " 



D, Ditto cut lengthwise x .". ; d. disk 



X ?, ; g, pair of glands. 

 B, Male flower and buds x 5. 



s, sepal. 



slightly imbricate. Male flowers: Disk none. 81 minis .". 

 opposite to the segments of the calyx, united into a glolmlar m 

 in the bud, at length scarcely free ; anthers sessile, opening 

 inwardly, 4-celled, 4-valved. Rudiment of ovary club-shaped, as 

 long as the anthers, i >r minute. Female flowers (in T. nilric> H/HUI} : 

 Disk consisting of three petal-like linear glands. Ovary 2-( 

 celled; stigmas '2, 2-lobed, sessile, spreading star-like; ovule^ 

 solitary in each cell. Capsule splitting up into two or tin 

 L'-valved cocci. Seeds fleshy outside, not carum-ulate. 



Species 4, natives of tropical America (including W 

 Indies). 



T. rubrivenium Pwpj,. Nov. <;> n. $p. ///. L'. ., /. L'i'7 ( 1> 15) : 

 ITvll. Ar (l . In DC. r,-'lr. xv. r t. 2, 11:53 ^- / FL Bnt*. 



