512 HISTOIRE DES PLANTES. 
93. Dasylirion ZuCC.! — Flores (fere Draconis) diæci; perianthi 
foliolis 6, 2-seriatim patentibus. Stamina 6 (in flore fœmineo rudi- 
mentaria) ; filamentis subulatis, imo perianthio affixis ; antheris 
ovato-oblongis dorsifixis versatilibus. Germen (in flore masculo 
rudimentarium) sessile, 1-loculare; stylo brevi, mox stigmatoso- 
3-lobo. Ovula subbasilaria 6; micropyle extrorsum infera. Fructus 
siccus, 3-queter ; angulis carinatis v. sæpius in alas verticales pro- 
ductis ; indehiscens v. tarde septicidus. Semen perfectum 1 ; albumine 
carnoso duriusculo ; embryone subæquali axili. — Frutices ; caudice 
lignoso erecto ; foliis? confertis rigidis, basi dilatatis, margine spinu- 
loso-serratis; floribus® crebris in racemum amplum compositum 
dispositis ; bracteis membranaceis caducis; cymis in racemulo spici- 
formi congestis; pedicellis apice articulatis; bracteolis parvis. (Reg. 
mexicano-texana*.) 
VI. ASPARAGEZÆ,. 
24. Asparagus T. — Flores hermaphroditi v. polygami ; recepla- 
culo parvo convexiusculo. Perianthii marcescentis persistentis fo- 
liola 6, 2-seriatim libera v. ima basi connata, conniventia v. plus 
minus patentia. Stamina 6 (in flore fæmineo sterilia), hypogyna v. imo 
perianthio affixa ; filamentis hberis, gracihibus v. inferne complanatis; 
antheris dorsifixis ; loculis basi liberis, introrsum rimosis. Germen 
sessile, 3-loculare (in flore masculo sterile v. rudimentarium) ; stylo 
brevi v. elongato, apice stigmatoso-3-lobo ; lobis v. ramis recurvis. 
Ovula in loculis 2-œ, 2-seriata, complete v. incomplete anatropä- 
Fructus baccatus, intus pulposus. Semina pauca v. 1, forma varia 
(nigra), lævia v. foveolato-rugosa ; albumine duro ; embryone cylin- 
draceo breviore, ab hilo plus minus remoto. — Herbæ perennes ; 
rhizomate crasso v. repente ; ramis aeriis basi herbaceis v. lignosis, 
nunc scandentibus ramosissimis ; foliis ad squamas parvas reductis ; 
cladodiüs axillaribus forma valde variis, teretibus, angulatis v. folit- 
n Abh. ge res ne 221, t. 1. — 3. Annie mu ÿ 
FA ep ., n. 1314 ATS., in Proc. 4. Spec. ad 8.K., in Abh. Berl. Air, ans “ 
= ah Acad. XIV, 240. Ph in Journ. Linn. 33: Ft V, 38 (Dasy Se — 
VIII, 237. — B. H., Gen, ll, 780,n.45. Nom. 45 (Tillandsieu) . ., Bot. “cent 
— Eau, Pflansenfam., 79, fig. 51. amer., WU, ‘Proc. Amer- 
g- er, HI, 078. gr 
2. De quorum struct. anat., PIR..in Ann. Is. Acad. XWIL 163: KA, 497. — Bol. Mag 
bot. Rom. LL, 170, t. 20, 91. t. 5030, 5041, 5099. 
