J'ollicMe(s.] .CXXIX. ILLECEBRACE^. 15 



Meerbnrgia, Mceiich, Meth. Suppl. 116.) — Flores bracteis scariosis involucrati. Peri- 

 anthium herbaceum, urceolatum, 5-G-lobum, interduni post anthesiii baccatum, tubi ore 

 disco incraasato lobato clauso ; lobi breves, obtuai, erecti, marginibus hyaliuis. Stamiua 

 1-2, disco inserta, filamentis brevissimis subulatis ; anther?e oblong<Te j staminodia 0, v. 

 minima. Ovariiim ovoideum, in stylum brevem filiformem attenuatum, stigmatibus 2 

 minutis ; ovula 2, basilaria, semi-anatropa, funiculis brevibus. Utriculus globosiis v. 

 ovoideo-oblongus, perianthio interdum baccato aequilongus et eo inclusus, membranaceus, 

 l-2-spermu3. Semina oblonga v. ovoidea, testa hyaliiia, pericarpio et albuuiini dense fari- 

 naceo adhrerente. Embryo dorsalis, leviter inciirvus, cotyledonibus oblongis planiusculis, 

 radicula acciimbente brevi infera. — Fruticidus diffusus, dichotome ramosus, pubesccns, 

 ramulis strictis teretibuB. Eolia opposita et pseudo-verticillata, sessilia, lanceolata, acimii- 

 nata, integerrima, plana, enervia ; stipulse scariosaj, liberie. Flores minuti, in cymas 

 subsessiles axillares densilloras interdum post anthesin comosas congesti ; bracteis bracteo- 

 lisque scariosis albis. 



Species 1, Africse tropicse et australis incola. DC. Prodr, iii. 377. Gaertn. f. Fruct. iii. t» 213. 



Smith, Spicileg, t.\, 



Du8e formae ut nobis videtur occurrunt, altera perianthio bracteisque post anthesin immutatis, 

 utriculo ovoideo ; altera perianthio bracteisq^ue demura fere baccatis, utrieulo globose. 



5. Acbyronychia, Torr. et Gr. in Proc. Amer, Acad. vii. 330. — Flores bracteis 

 stipuliformibus involucrati. Perianthii tubus turbinatus, coriaoeus, 10-nervis, denium 

 cylindraceua v. obconicus ; limbi lobi 5, rotundati, stellato-patentes, argenteo-scariosi, 

 medio v. basi tantum coriacei. Stamina fauci perianthii inserta, nunc cum stami- 

 nodiis setiformibus oonjunctis ad 15, quorum unum solum antheriferum anthera 

 didyma, csetera ananthera, nunc 5, filamentis brevissimis, antheris lineari- oblongis, cum 

 staminodiis brevibus triangular ibus altemantia. Ovarium turbinatum v. ellipsoideum ; 

 stylus brevis v. elongatus, apice 2-fidus ; ovala 2-4, erecta, basilaria, anatropa, funiculis 

 brevibus. Utriculus membranaceus, pyriformis v. ellipsoideus, 1-spermus. . Semen 

 ellipsoideo-pyriforme, erectum, testa tenui albumini farinaceo adluerente, chalaza infra 

 medium laterali oblonga ; embryo dorsalis, clavatus, leviter incurvus, cotyledonibus bre- 

 vibus obtusis, radicula infera. — Herbai parvula), depressse, annuse, a basi ramosae, glabree 

 V. tomentosae. Folia parva, opposita, integerrima, crassiuscula, enervia j stipulte scariospe. 

 Flores axillares, cymoso-congesti, minuti. 



Species 2, altera, A. Cooper i, Gray, I.e., Wats. Bot. Calif, i. 73. Novo-Mexici et Californiae 

 incola, foliorum paribus inaequalibus, perianthii lobis basi tantum coriaceis, disco 0.. staminodiis 

 filamentisve ad 15, uno solo antherifero, ovario turbinate 2-ovulato, stylo brevi ; altera, A. Palmeri, 

 Hook, f., Mexici centralis incola (Herb. Parry et Palmer, No. 53), foliorum paribus inaequalibus, 

 perianthii lobis medio late coriaceis, fauce disco annulari 5-lobo instnicta, stiiminibus 5 filamentis 

 brevissimis, antheris lineari-oblongis, staminodiis 5 latis, ovario stipitato elongato, stylo elongate, 

 ovulis 2-4, 



TkIBUS II. PAKONYOHIEiE. 



6. Paronychia, Jnss. in Mem. Mns. Par. ii. 389. — Flores bracteis stipuliformibus 

 scariosis involucrati. Perianthium herbaceum, post anthesin ssepius coriaceum, 5-par- 

 titum ; segmenta oblonga v. lineari-oblonga, sequalia, apicibus cucullatis dorso mucro- 

 natis aristatis v. comutis, marginibus ssepius membranaceis. Stamina 5, rarius 3-4 v. 

 plura, perigyna, filamentis subulatis v. fiHformibus ; antherge didyma? ; staminodia 5, 

 setiformia minima v. 0. Ovarium obovoideum v. subglobosum, in stylum brevem v. 

 elongatum apice 2-fidum attenuatum, lobis intus stigmatosis : ovulum basilare, amphi- 

 tropum, funiculo brevi v. longiusculo, erectum v. subpendulum. Utrictilits membra- 

 naceus, perianthio inclusus, a basi ssepe longitudinaliter ruptus. Semen oblongum 

 globosum V. ovoideum, resupinatiuu v. oblique ascendeiis, testa membranacea Isevi • 

 embryo annularis, albumen farinaceum cingens, radicula ascendente v. supera rarius 

 laterali V. subbasilari. — Herbie annuse v. perennes, erectae v. dttfusfCj siepius dichotomy 



