460 
BOTANY. 
6. C. TENUIS, Gray. 2" higlj, very finely pubenilent and nearly glabrous, oflusely pauicled, witli 
slender branchlets, subfiliform leuvea and scattered flowers. See page 232. 
* * * Sepals 6-nerved, tbo npper one eraarginate-bifid ; corolla ratber deeply bilibiate, the lower 
lip half shorter than the galea ; stamens 4, the lower anther-cell either abortive or wholly want- 
ing ; filaments slightly villous ; leaves all short, linear, nsually entire. 
7. C. LAXIFLOEUS, Gray. Panicnlately branched, very hirsute; flowers solitary or approximate. 
See page 232. 
^ 2. HEMISTEGIA. Flowers withont bractlets, in a simple or sometimes branched spike, each ses- 
sile in the axil of a claspijig bract ; calyx of a single 2-toothod leaflet, the lower leaflet wanting. 
Not glandular, somewhat viscid, a span to a foot high. 
* Filaments glabrous ; base only of the anther-cells ciliolate or bearded, 
(a.) Lower leaves and the bracts all entire ; stamens 4, the longer with 2-celled anthers, the shorter 
with a small lower cell only; seeds short-beaked, testa smooth (?). 
C. MAniTnrcs, Nutt. Snbpnbescent, leaves linear or linear-lanceolate, glabrate, mostly obtuse, 
spreading ; spike short, simple ; filaments very unequal— Coast of California. 
C. CANESCEXS, Gray. Pubescent, erect; leaves lance-linear, acute, suberect; bracts lanceolate; 
flowers few, purplish. See page 233. 
(6.) Cauline leaves entire, the bracts broader and often incised; stamens 2; seeds obtuse, the testa 
pitted-reticulate. 
C. MOLLIS, Gray. Loosely subhirsute-villous ; stem and branches diffuse ; leaves linear, short ; 
bracts oblong, 2-3-toothed or entire, a little shorter than the yellowish corolla ; spikes sometimes 
branched.— Mare Island, Bay of San Francisco, (Wright.) 
* * Filaments villous ; stamens 4, with 2-celled anthers, the cells bearded both at base and apex ; 
leaves 3-cleft ; bracts 3-5-cleft. 
C. KiNGir, S. Watson. Erect, branched, viscid and villons-pubescent ; leaf-segments linear; corolla 
pnrphsh, villous. See page 233, and Plate XXII. 
NAMA. 
From Dr. Gray's revisions of the genus, Proc. Amer.Acad, Vol. V, p. 337, and Vol. VIII, p. 283. 
H. Leaves dcourrent and winging the stem, obovate or spatulate; villous with a soft pubescence 
or pilose ; branches procumbeut. 
I. N. Jamaickxsis, L. Peduncles very short ; seeds costate-pitted.-Key West; Texas; Mexico. 
2. N. nii-i.ouA, Chois. Peduncles filiform; seeds alveolate.— E. Mexico. 
^ Lai^'f annuir' "'''^ snbamplcxicanl, not decurrent ; pubescence soft but not 
^nJ: n ''-^'''^t''''' ™f : ^'.'f ' nndnlate, all alternate, linear- or spatulate- oblong, the 
nearly 1 long, about eqnabng the calyx ; seeds alveolate-reticnlated.-Texas and J^ew Mexico to Chili 
tincSy^S^r^ri;;^;^:'"" ""^-^^^^"^ ' ^ ^'^^^^ ? -ds mdls- 
§ 3. Leaves all attenuate at base or petioled- 
* MsTlmtT^ttHv^tTf r "T'"* ' ''''''' ' '"^'''^'^ '-^^^^--^^ ' 
oast but scaru ly petioled; sepals narrowly and exactly linear. 
5. N. HISPIDA, Gray. Flowers oft.n in pairs; capsule oblong; seeds 24-40 in each cell lonr. 
oblong, very obscurely ridged.-From W. Texas and Xew Mexico t^ S. California. ^ 
6. ^; OEMissA, Gray. Capsule short-oblong; seeds 10-12 in each cell, i-i" long, oval less obscurelv 
rngose-pitted. See page 259. ""fc,, aj, less ooscvuely 
^ * Annual ; pubescence softer or shorter and a little cinereous ; sepals more or less dilated upward. 
7. N. Saxdwicexsis, Gray. Sandwich Islands. 
lo,,goHe«,™„„,hish._S.California^rAri.„L ; Chk;»hua ''""^ "-"l. i' 
