506 ^hycomycetee, Ntucoracese, Mortierella. 



— Totus fungillus 0,0-0,8 mm. alt. Sporangia nigra ; hypha spo- 

 rangiophora alba cum vesica sup. alba. 

 2. Pilobolus pullus Massee in Kew Bull. 1901, p. 160. — Sporangiis 17 '-" 1 

 honiisph.orieo-dcprossis, atris, glabris 250-300 [t. latis; columolla 

 convexa, ssepe medio eonstricta; sporis ellipticis, episporio auran- 

 tiaco, 10-12*8-0; stipite albido, apice ventricoso-inflato, 1 mil- 

 lim. alto. 



Hab in fimo vaccino, in Tasmania (Rodway). - P. Kleinii 

 van Tiegh. affinis. 



MORTIERELLA Coemans. — Syll. VII p. 220, IX p. 337, XI p. 240, 

 XVI p. 387. 



1 . Mortierella humicola Oud. Fl. Myc. obt. par la culture sur gela- 1721 

 tine etc. in Archives Neerlandaises des Sciences exactes et natur. 

 1902, pag. 276, tab. I, fig. 1-3. — Ctespitibus orbicularibus, non 

 lamellosis, constanter niveis; hyphis repcntibas dichotome ramo- 



sis, hyalinis, continuis, passim nodulosis, protoplasmate pauci- 

 granuloso repletis; erectis perfecte cylindraceis, neque deorsum 

 crassioribus, nec sursum attenuatis, protoplasmate grosse vacuo- 

 loso farctis, 110-150 ;j.. altis, singulis in sporangium unicum abe- 

 untibus; sporangiis globosis, 20 ;j.. diam., levissimis, membrana 

 hyalina; sporis perfecte globosis, levissimis, 3 ;i. diam., hyalinis, 

 absque omni nuclei v. guttula^ vestigio. 



Hab. in gelatina pulvere terr;e humosse infecta, Bussuni 

 Ilollandi;r. 



2. Mortierella isabellina Oud. Fl. Myc. obt. par la culture sur gela- 1722 

 tine etc. in Archives Neerlandaises des Sc. exactes et natur. 1902, 



]>. 276, tab. II, f. 1-6. — Cospitibus zonatis, primo niveis, mox 

 autem laete griseis, denique isabellinis tactuque justo durioribus ; 

 hyphis repentibus diohotome ramosis, continuis, protoplasmate 

 sequali farctis; erectis cylindraceis, sursum vix tenuioribus, conti- 

 nuis, 120-201) ;x. altis, hyalinis, in sporangium unicum abeuntibus ; 

 sporangiis globosis, 12-25 ;j.. diam., levissimis, mombrana hvalina; 

 sporis globosis, levissimis, singulis fero hyalinis, aggregatis, dilu- 

 tissime ochrolcucis, 2-5 ;j.. diam.; chlamydosporis in gelatina sub- 

 mersis, sph;rricis v. ollipticis, levibus, hyalinis, mombrana tenui 

 instructis. 



Hab. in gelatina pulvere terr;o humos;o infoi-ta, Bussum 

 Hollandi.-o. — A 71/. simplici Van Tiogli. ot Le Mon., colore c;o- 



