CHÉNOPODIACÉES. 205 
foliolis (v. bracteis) constantibus basi cum spinis simplicibus plus 
minus elongatis induratisve connatis. (Africa trop. ‘) 
97. Psilotrichum BL.*— Flores hermaphroditi (fere Cyathule) : 
sepalis 5, imbricatis; exterioribus grosse 3-costatis. Fructus perianthio 
sæpe basi indurato inclusus, membranaceus indehiscens. Semen len- 
üculare, coriaceum v. crustaceum nitidumque. Cætera Cyathulæ. — 
Frutices v. herbæ, trichotome ramosi; foliis oppositis; floribus 
Spicalis v. in Capitula axillaria solitaria v. ramosa dispositis; bracteis 
etbracteolis lateralibus hyalinis. (Asia et Africa trop., ins. Sandwic.#) 
98. Psilostachys Hocusr.® — Flores hermaphroditi (fere Psilo- 
trichi); sepalis 5, imbricatis v. subvalvatis; exterioribus 2, 3 concavis, 
promimenti-3-nerviis, circa fructum induratis nec auctis. Stamina 5, 
ima basi connata ; antheris brevibus introrsis. Cætera Psilotrichi. — 
Herbæ erectæ, sæpe graciles, dichotomæ, glabræ v. sæpius sericeæ ; 
folits oppositis, petiolatis v. sessilibus ovato-cordatis integris nervalis ; 
floribus® in spicas graciles sæpe capillares, ramosas v. simplices, 
axillares terminalesve, dispositis ; bracteis bractsolisque lateralibus 
2, calyce brssiet (India or., Arabia, Nubia, Socotora, Zanzi- 
baria®.) 
99. Frichinium R. Br.’ — Flores hermaphroditi; sepalis 5, 
imbricatis, elongatis, æqualibus, v. interioribus minoribus, rigidis, 
extus plus minus sericeis v. barbatis plumosisve, basi blus minus 
indurata liberis (Ptilotus””) v. connatis. Stamina 5, oppositisepala 
inæqualia ; filamentis basi in cupulam membranaceam connatis, nune 
anantheris 4-3, v. anthera effœta donatis ; fertilium antheris introrsis; 
loculis rimosis, inferne liberis. Laciniæ interpositæ 0, v. raro parvæ 
1. Spec. 2, 3. 7. Adspectus sæpe Es it 
2. Bijdr., 544, — Moo., in DC. Prodr., XUI, 8. Spec. ad 6. Wic 726 (Achy- 
p. I, #79 (pa ni — Exp, Gen., n. hs ranthes). — H.BN, in RE mens. ir Linn. 
3. H., Gen., Ilf, 32, n. — Leiospermum Par Re < 
WaLL., Cat., n. 6923. — Ptiloius sect. "Nototri- 9. Prodr., 414. — EXDL., ge Tu _ 
chium A. GR. Mo0. 7 . A. FE k Sp. 1 M, — re L., 
3. Albis v, viridulis, parvis Gen., II, 33, n. 25. oniotriche TURCz., in 
Spec. ad 10. — Icon. t. sl (Leios- PE We. (1849), l1, 37; (18 5), I, 181 (Go- 
Dermum), 1775. — TEW., Enum . Zeyl., ti iche). — Hemisteirus F. MUELL., in Linnœæa, 
248, — G. nes. Enun. lu. pl. & (Pile 434. — Arthrotrichium F. MUELL., in 
": — Hook. rs Bot. Soc. Edinb., VH, £ 
n Flora TT “Bail a : 4 — B. H. 10. R. Bn., Prodr., 415 5.— Mon, où cit. cs 
Gen, NA 32, n. 93. (part.). nr _ n. 4964 — B. 
6. Viridulis v. albidis, parvis. Gen: II, 32, 
