408 ix'riiouBiACE^. (spurge family.) 



barrens, Gcorgiii and Florida. June- Sept. — Stem 6' -12' high. Leaves 

 I'-U'long. 



* * * StjLs ."), 2-r/i/J ; sti'(;mas C : petals of the sterile Jlowers lom/cr tlian the calyx, 



ofthejlrtilc oms minute, subulate: stamens 8 : capsule S-ctZ/tt/. 



5. C. glandulosum, L. Annual, rough with hristly haire ; stem nmbcl- 

 latcly branelied ; leaves ol)long, obtuse, eoarsely serrate, mostly erowded at the 

 divisions of t!ic stem iind .-nnnnit of the branches ; the slender petiole biglandu- 

 lar at ihc apex ; spikes small ; sterile flowers minute, white ; ealyx 4-partcd ; 

 petals 4 ; f.rtile (lowers L\v, with the ealyx 5-parted — Dry waste places, Flor- 

 ida to North Carolina, and westward. July -Sept. — Stem C - 18' high. 



* * * * iSti/ks 2, 2-j>nrtiil: slitjmas 4 : petals 5 in the sterile Jlowcrs, none iti the 



f it.le: stuiiuits 5- 10 : capsule 1 - 2-celhd. 



6. C. monanthogynum, Miehx. Annual ; stem erect, twice or thrice 

 umbellately braiKJied, the spreading forking branche^^, like the leaves and 

 racemes, stellatc-tomcntosc ; leaves on slender petioles, ovate or oblong, entire, 

 obtuse, whitish beneatli ; racemes in the forks of the branches, few-flowered ; 

 the sterile flowers corymbose; the fertile (1-2) nodding. — Dry sterile soil, 

 Soutli Florida to IS"orlli Carolina. June - Sept. — Stem 1° high. Leaves I' 

 long. 



8. CROTONOPSIS, Michx. 



Flowers monoecious, in terminal and axillary clusters. Calyx of the sterile 

 flowers 5-partcd. Petals and stamens 5. Filaments separate, dilated upward. 

 Fertile flowei-s below tlic sterile. Calyx 3 -5-parted. Petals none. Petal-liko 

 glands .5, opposite tiic calyx-lobes. Ovary 1-cclled, 1-ovuled. Stigmas 3, each 

 2-cleft. Fruit globose, iiidehiseent, 1-seeded. — A low and slender branching 

 annual. Leaves linear or lanceolate, short-petioled, entire, green and hairy 

 al)Ove, the lower £uif.;ce, like the branches, covered with silvery scales. Flowers 

 minute. 



1. C. lineai'is, Michx — Dry sandy soil, Florida to IS'orth Carolina. 

 Aug. - Sei)t. — Stem C'-12' high, alternately branched or forking. Leaves 

 J'- 1' long, alternate or opposite. 



0. APHOEA, Nutt. 



Flowers monoicioui, in r.xil.'arj- spikes. Sterile flowers few. Calyx fi-partcd. 

 Corolla of 5 spatulato i)etals alternating with 5 flattened glands, as long as the 

 calyx. Stamens 10- 12, in 2 wiiorls of 5-C each, m()nadel]>hous below. Fer- 

 tile flowers like tlie sterile, but the petals shorter than the calyx. Style Oparted, 

 the divisions 2-cl( ft. C:ii)sulc of three 1-celled, I -seeded, 2-valved carpels. — 

 Shrubs, or herbs, wiih watery juice. 



I. A. Blod^Cttli, Torr. Craiuhes smoothish ; leaves alternate, oval or 

 oblong, mostly ac iiti', hh:ii-j.|y serrulate, smooth, or spriuklrd with t-iinplu ap- 

 prcsscd hairs, abruj)tly iUiort-petiolcd ; bicrilo Uuwcia *j - &, lv,iiilc mo.sily solitary ; 



