400 
15, C. monanthogynus Michx. Whitish stellate-pubescent and rusty glandular: 
stems (3 to 6 dm. high) slender, erect, below often wmbellately 3 or 4-forked, then 
repeatedly 2 or 3-forked or alternately branched: leaves oblong-ovate or narrowly 
oblong, entire, obtuse, 1.5 to 2.5 em. long, twice as long as the petiole: flowers in the 
forks, the sterile few on the summit of a short erect peduncle, the fertile few and 
clustered or mostly solitary on short recurved peduncles: ovary 2-celled: pod often 
l-celled and 1-seeded by abortion: seeds broadly oval:—From central to southern 
Texas. 
* * Petals of both seres rudimentary or none, the calyres equally 5-parted: sterile recep- 
tacle pilose, 
+ Monecious. 
16, C. maritimus Walt. Herbaceous, the whole plant covered with a rough 
scurfy stellatesomewhat hoary pubescence: stem stout (6 to9 dm. high), umbellately 
branched: leaves thick, long-petioled, ovate, obtuse, entire, round or slightly cordate 
at base, hoary beneath, 5 to 7 em. long: spikes long-peduncled, capitate, few-flow- 
ered: calyx-lobes ovate, obtuse, with pod much longer: stamens mostly 12: stigmas 
18 to 20: seeds ovoid, smooth.—Along the Gulf. 
+ + Diecious. 
++ Stellate-scaly. 
17. C. Neo-Mexicanus Muell. White and stellate-scaly throughout, with sub- 
erect stems (2 to 5dm. high) froma woody base: leaves rather short-petioled, oblong- 
elliptical or spatulate-lanceolate (3 to 4 em. long), entire or repand, densely white- 
scaly beneath; stipules obsolete: staminate raceme short and few-flowered, the 
pistillate 1 to 3-tlowered: bracts and calyx-lobes lanceolate-ovate: staminate flow- 
ers with an entire disk, and about 11 stamens with pilose filaments: ovary densely 
scaly: pod 5 to 6mm. long (the upper 3-celled): seed smooth.—Western Texas and 
New Mexico, 
18, C. Californicus Muell. Perennial, woody at base, with erect or ascending 
stems (3 dm. high), and heavy throughout with a dense appressed seurf, or the upper 
leaf surfaces finely stellate-pubescent: leaves oblong or broadly elliptical, obtuse 
at each end, 3 to 6 em. long, slender-petioled: staminate flowers in short nearly 
sessile racemes, with obscurely 5-lobed disk, and hairy filaments; pistillate flow- 
ers often solitary on short peduneles: styles twice 2-forked: pod seurfy, 6 mm. in 
diameter: seed 5 mm. long, with a small appressed caruncle.—Along the Rio Grande 
below Frontera. 
++ ++ Stellate-pubescent. 
19. C, Texensis Muell. Annual, covered with close canescent stellate-pubescence, 
dichotomously branched or spreading, 3 to 6 dm, high: leaves narrowly oblong- 
lanceolate to linear, 3.5 to 5.5 em. long, short petioled: staminate spikes or racemes 
very short, often sessile: styles twice or thrice dichotomously 2-parted: pod stellate- 
tomentose and somewhat muricate.—From the Staked Plains to Corpus Christi. 
I 
7. MANIHOT Adans. 
Suffruteseent plants, with glabrous alternate long-petioled lobed 
leaves, caducous stipules, monacious apetalous flowers in looseterminal 
racemes, 5-lobed (or parted) colored calyx, 10 stamens in 2 series (outer 
shorter), central disk, many-lobed style, and a 3-celled ovary. 
1. M. Carthagenensis Muell. Stem slender, glabrous: leaves (& to 12 em. long) 
deeply 3 to 5-lobed, the lowest lobes entire, the others panduriform: staminate flow- 
ers 8 to 15, pediceled, with tubular (at length salverform) calyx with linear seg- 
