EUPHOKBIACE.*:. (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 : sti(jmas 6: petals of the sterile flowers longer than the 

 calyx, of the fertile ones minute, subulate : stamens 8 : capsule 3-celled. 



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 tlie apex ; racemes small ; sterile flowers minute, white ; calyx 4-parted ; 

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

 July - Sept. — Stem 6' - 18' high. 



10. C. linearis, Jacq. Shrubby, canescent-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 ( Garber), 



***** 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 umbellately 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 monoecious, 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 silvery 

 scales. Flowers minute. 



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

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

 \' -V 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-cIeft. 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 1° - 2° high. Leaves 

 l'-2' 



