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Show 320 l\10DIFIED CIRCUMNUTATION. CHAP. VII. sle ping is common to some few plants throughout the whole vascular series. The greater number of the o-enera in the list have been observed by ourselves b . with more or less care; but sev ral are giVen ou the authority of oth rs (whose names arc appended in the list), and about these we have nothing moro to say. No doubt the list is very imperfect, an<l several genera might have been added from the' Somnus Plantarum' by Linnmus; but we could not judo-e, in some of his cases, whether the blad s oc ·upicd at night a nearly vertical position. He refers to some plants as sleeping, for instance, Lathyrus odoratus and Vicia faba, in which we could observe no movement deserving to be called sleep, and as no one can doubt the accuracy of Linmcus, we are left in doubt. List of Genera, including specit;s the leaves of which sleep. Cus I. DICOTYLEDONS. Sub-class I. ANGIOSPERMS. Genus. I Family. Githago Caryophyllere (26). ::)tellaria (13atalin). , Portulaca (Ch.} Portulacere (27). Royer). Siua. Malvacere (36). .Abutilon. l\lulva (Linnoous} and Pfefl"er). Hibiscus (Lin-} me us). A nod a. Gossypinm. Ayenia (Linnreus). 'lri11mfetta (Lin-} ore us). Linum (13ntalin). Oxalis. Avcrrhoa. l'orlieria. nuiacum. , Stercula~;re (37). Tiliaccre (38). Linere (39). Oxalidre (41). ZygophylYcro (45). Impatiens (Lin-~ noous, Pfeflcr, Balsaminere ( 48). Ratalin). Sub-class I. ANGIOSPGHMS-continued. Genus. Tropreolum. Crotolaria (Thiscl-} ton Dyer). Lupin us. Cytisus. Trigonclla. Medica go. Melilotus . Trifolium. Securtgera. Lotus. Psora lea. Amorpha chartre). Drelea. ] ndigofera. Tcphrosia. Wist<tria. Robinia. Sphrerophysa. Col ut ea. As tragal UH. Glycyrrhiza. Coronilla. ll cdy~arum. (l>u-} I I Family. Tropreolere ( 49). Lcguminosre (75) Tribe IJ. Tr.'iu. Tr.'h CHAP. VII. SLEEP OF LEAVES. 321 List of Genera (continued). CLA&'l I. DICOTYLEDONS (continued). I Sub-class I. ANGIOSPERMS (continued). Sub-class I. .ANGIOSPERMS. Genus. Family. Genus. Fama"!y. OnobiJchis. {Legumi~~ ·re (75) , Ir. VI. lEnothera (Lin-} nreus). Onagrariere (100). Passiflom p ·a Sie b ,·. asst oracere(l05). Smith in. ges ec na. Compositre (122). Arachis. Dcsmodium. Umnia. Vicia. Centroscma. Amphicarprea. Glycine. Erythrina. Apios. Phaseolus. Sophora. Cresalpinin. Hrematoxylon. G!editschia (Du-} chartre). Poinciana. Cassia. Bauhioia. Tamarind us. Adenanthera. Prosopis. Neptunia. Mimosa. Schrankia. Acacia. Albizzia. llelaleuca(Bouche). " " " " " Tr. "V II. " Tr. VIII. , " " " " " " " Tr. "X . " Tr. Xlli. " " " , " " " Tr. XIV. " Tr. XV. " Tr. XVI. , Tr. XX. " " , " , , Tr. XXII. , Tr. XXlli. M yrtacere (94 ). Ipomrea. fConvolvulacere Nicotinna. Mirabilis. Polygon urn talin). t (151). Solanere (157). (Ba-} N yctaginere (177). Polygoncre (179). Atnal'an thus. {Amaranthacere (1 80). Chenopodium. Chenopodiere (181) PimeJia (Bouche). ~'hymetere (lBS). · Euphorbia. E h Phyllanthus(Pfef-} up orb iaccre(~02) fer). , Sub-class ll. GYMNOSPERMS. Abies (Chatiu), CLASS II. MONOCOTYLEDONS. Thalia, Maranta. Coloca ·in. Strephium. I Cannacere (21 ). Aroidere (so). Gmminere (55). CLass III. ACOTYLED0NS. Marsilea. . Marsileacere (4). Gitllago segetum (C h 11 by young seedlin ~ryop Y ern).-The first leaves produced rather ld g~, rise up and close together at night On a o er seedling t · ' above the h . ' wo young leaves stood at noon at 55o The angle hoorlzon, and at night at 86o, so each had risen 3lo • wever was 1 · · were occasionall ' ess m some cases. Similar observations very little) ~made on young leaves (for the older ones moved says ('Flo ~roo need by nearly full-grown plants. Bataii·n Stel!aria clroas,e ct · 1st' 1873' P· 437) that the young leaves of great buds. up so completely at night that they form together . Sida (Malvace ) _ . . III this genus arero . The ny~titropiC movements of the leaves .remarkable m some respects. Datalin inform~ y lf11 •,1 I . )ll |