EUPHORBIACE^S. (SPURGE FAMILY.) 431 



longer than the calyx. Dry sandy pine barrens, Georgia and Florida. 

 June- Sept. Stem 6'-12' high. Leaves 1'- 1^' long. 



* * * * Styles 3, 2-cleft : stigmas 6: petals of the sterile flowers longer than the 

 cali/x, of the fertile ones minute, subulate: stamens 8 : capsule 3-cet/ed. 



9. C. glandulosus, L. Annual, rough with bristly hairs; stem umbel- 

 lately branched; leaves oblong, obtuse, coarsely serrate, mostly crowded at the 

 divisions of the stem and summit of the branches ; the slender petiole biglandu- 

 lar at the apex ; racemes small ; sterile flowers minute, white ; calyx 4-parted ; 

 petals 4 ; fertile flowers few, with the calyx 5-parted. Dry waste places. 

 July -Sept. Stem G'- 18' high. 



10. C. linearis, Jacq. Shrubby, cauescent-tomentose ; stem slender, 

 branching (3 -4 high) ; leaves short-petioled, linear-lanceolate, obtuse; 

 racemes unisexual, the sterile slender, longer than the leaves, minutely many- 

 flowered, the fertile short, few-flowered ; styles 2-parted ; capsule roundish. 

 Miami, South Florida ( G'arber). 



***** Styles 2, 2-parted: stigmas 4: petals 5 in the sterile flowers, none in 

 the fertile: stamens 5 - 10 : capsule 1 - 2-celled. 



11. C. monanthogynus, Michx. Annual, stellate-tomentose ; stem 

 erect, twice or thrice umbellate!}' branched ; leaves on slender petioles, ovate 

 or oblong, entire, obtuse, whitish beneath ; racemes in the forks of the 

 branches, few-flowered ; the sterile flowers corymbose ; the fertile (1 -2) nod- 

 ding. Dry sterile soil, Florida to North Carolina. June -Sept. Stem 1 

 high. Leaves 1' long. 



10. CROTONOPSIS, Michx. 



Flowers monoscious, pentamerous in terminal and axillary clusters. Ovary 

 1-celled, 1-ovuled. Stigmas 3, each 2-cleft. Fruit globose, indehiscent, 1- 

 seeded ; otherwise like Croton. A low slender branching annual. Leaves 

 linear or lanceolate, the lower surface, like the branches, coated with silverv 

 scales. Flowers minute. 



1. C. linearis, MiYhx. Dry sandy soil, Florida to North Carolina. 

 August- Sept. Stem 6'- 12' high, alternately branched or forking. Leaves 

 \' - 1" long, alternate or opposite. 



11. ARGYROTHAMNIA, Mull. 



Flowers monoecious, in axillary spikes. Sterile flowers few. Calyx 5- 

 parted. Corolla of 5 spatulate petals alternating with 5 flattened glands, as 

 long as the calyx. Stamens 10- 12, in 2 whorls of 5-6 each, monadelphous 

 below. Fertile flowers like the sterile, but the petals shorter than the calyx. 

 Style 3-parted, the divisions 2-cleft. Capsule of three 1-celled, 1 -seeded, 2- 

 valved carpels. Shrubs, or herbs, with watery juice. 



1. A. Blodgettii, (Torr.). Branches smoothish ; leaves alternate, oval 

 or oblong, mostly acute, sharply serrulate, smooth, or sprinkled with simple 

 appressed hairs, abruptly short-petioled ; sterile flowers 3 - 5, fertile mostly 

 solitary ; calyx lobes lanceolate, acute ; petals greenish white ; capsule rough- 

 hairy; seed globose, wrinkled. South Florida. Shrub l-2 high. Leaves 

 1'- 2' long. 



